STOP AND START SYSTEM Stop and Start System does not Operate (Battery Condition)

DESCRIPTION

When the stop and start system does not operate, check whether the operation is prohibited because the battery conditions are not met.

Tech Tips

Data List items
Oper Permission (Battery) Oper Permission (Start Min Volt 1) Oper Permission (Start Min Volt 2) Oper Permission (Start Min Volt 3)
Oper Permission (Start Min Volt 4) Oper Permission (Battery Current) Oper Permission (Integrated Current) Oper Prohibition (Jump Start)

PROCEDURE


  1. CONFIRM MODEL


    1. Choose the model to be inspected.

      Result
      Result Proceed to
      for Multi-information Display (Color Type) A
      except Multi-information Display (Color Type) B

    B

    CHECK DTC OUTPUT Click here

    A

  2. CHECK MULTI-INFORMATION DISPLAY


    1. Check whether the multi-information display displayed that the specified battery is not equipped.

      Tech Tips

      The multi-information display is displayed when the voltage decreases below the minimum voltage necessary for starting the non-specified battery when stop and start control is operated.

      Result
      Result Proceed to
      No display A
      Displayed in past B

    B

    GO TO STEP 21 Click here

    A

  3. CHECK DTC OUTPUT


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Powertrain / Stop and Start / Trouble Codes.

    5. Read the DTCs.


      Powertrain > Stop and Start > Trouble Codes
      Result
      Result Proceed to
      DTC is not output A
      DTC is output B

    B

    GO TO DTC CHART Click here

    A

  4. READ VALUE USING GTS


    1. Enter the following menus: Powertrain / Stop and Start / Data List.

    2. According to the display on the GTS, read the Data List.


      Powertrain > Stop and Start > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Oper Permission (Battery) Permission of stop and start control based on the battery conditions NG/OK OK: Stop and start control is permitted based on battery conditions, or Active Test (forced permission) is performed -
      Oper Permission (Start Min Volt 1) Permission of stop and start control based on the battery conditions NG/OK OK: Battery temperature is 0°C (32°F) or lower and minimum voltage when cranking is equal to or above threshold If 2 or more of Start Min Volt 1, 2, 3, or 4 are OK, stop and start control is permitted
      Oper Permission (Start Min Volt 2) Permission of stop and start control based on the battery conditions NG/OK OK: Battery temperature is higher than 0°C (32°F) and minimum voltage when cranking is equal to or above threshold If 2 or more of Start Min Volt 1, 2, 3, or 4 are OK, stop and start control is permitted
      Oper Permission (Start Min Volt 3) Permission of stop and start control based on the battery conditions NG/OK OK: Battery temperature is 0°C (32°F) or lower and minimum voltage when starter begins operation is equal to or above threshold If 2 or more of Start Min Volt 1, 2, 3, or 4 are OK, stop and start control is permitted
      Oper Permission (Start Min Volt 4) Permission of stop and start control based on the battery conditions NG/OK OK: Battery temperature is higher than 0°C (32°F) and minimum voltage when starter begins operation is equal to or above threshold If 2 or more of Start Min Volt 1, 2, 3, or 4 are OK, stop and start control is permitted
      Oper Permission (Battery Current) Permission of stop and start control based on the battery conditions NG/OK OK: Battery discharge current is -125 A or less Engine stop and start ECU calculated value
      Oper Permission (Integrated Current) Permission of stop and start control based on the integrated current value conditions NG/OK OK: Integrated current value more than specified The status depend on the value of "Integrated Current", and OK/NG threshold differs according to the battery temperature.
      Oper Prohibition (Jump Start) Prohibition of stop and start control based on the jump start conditions Permit/Prohibit Prohibit: Engine started with the engine hood open and the ignition switch turned to START When Prohibit is displayed, the stop and start control will be prohibited until the ignition switch is turned off.
      Oper Prohibition (Manual Start) Prohibition of stop and start control based on the manual start conditions Permit/Prohibit Prohibit: During manual start

      When Prohibit is displayed, the stop and start control will be prohibited until the ignition switch is turned off.

      Conditions for Manual Start:


      • Clutch start switch OFF or vehicle speed signal input

      • Neutral position switch OFF

      • Starter signal OFF

      Powertrain > Stop and Start > Data List
      Tester Display
      Oper Permission (Battery)
      Oper Permission (Start Min Volt 1)
      Oper Permission (Start Min Volt 2)
      Oper Permission (Start Min Volt 3)
      Oper Permission (Start Min Volt 4)
      Oper Permission (Battery Current)
      Oper Permission (Integrated Current)
      Oper Prohibition (Jump Start)
      Oper Prohibition (Manual Start)
      Result
      Proceed to
      NEXT

    NEXT

  5. READ VALUE USING GTS (OPER PERMISSION (BATTERY))

    Tech Tips

    Check whether stop and start control was prohibited based on the battery conditions or other conditions.


    1. Enter the following menus: Powertrain / Stop and Start / Data List / Oper Permission (Battery).

    2. According to the display on the GTS, read the Data List.


      Powertrain > Stop and Start > Data List
      Tester Display Measurement Item Type Range Diagnostic Note
      Oper Permission (Battery) Permission of stop and start control based on the battery conditions NG/OK OK: Stop and start control is permitted due to battery condition, or Active Test (forced permission) is performed -

      Powertrain > Stop and Start > Data List
      Tester Display
      Oper Permission (Battery)
      Result
      Result Proceed to
      NG is displayed A
      OK is displayed B

    B

    END (CHECK OTHER STOP AND START CONTROL PERMISSION/PROHIBITION CONDITIONS) Click here

    A

  6. READ VALUE USING GTS (STATUS OF BATTERY CHARGE CONTROL)

    Tech Tips

    Check whether stop and start control was prohibited based on the battery charge control mode.


    1. Start the engine and allow it to idle.

    2. Enter the following menus: Powertrain / Stop and Start / Data List / Status of Battery Charge Control.

    3. According to the display on the GTS, read the Data List.


      Powertrain > Stop and Start > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Status of Battery Charge Control Battery charge control status Charge Control Coordination Mode/Stop and Start Standalone Mode/Refresh Charge Mode/Stop and Start Restriction Mode/Temperature High/Low Mode/Abnormal Mode/Battery Condition Judgment Mode/Low Temperature Mode - -

      Powertrain > Stop and Start > Data List
      Tester Display
      Status of Battery Charge Control
      Result
      Result Proceed to
      "Refresh Charge Mode", "Battery Condition Judgment Mode" or "Abnormal Mode" is not displayed A
      "Refresh Charge Mode" is displayed B
      "Battery Condition Judgment Mode" is displayed C
      "Abnormal Mode" is displayed D

      Tech Tips

      If "Refresh Charge Mode" is displayed, leave the vehicle idling for 30 to 60 minutes.


    B

    END (STOP AND START CONTROL PROHIBITED IN REFRESH CHARGE MODE)

    C

    END (STOP AND START CONTROL PROHIBITED IN BATTERY CONDITION JUDGMENT MODE)

    D

    GO TO CHARGING SYSTEM for 1ND-TV: Click here
    GO TO CHARGING SYSTEM for 1WW: Click here
    GO TO CHARGING SYSTEM for 8NR-FTS: Click here

    A

  7. READ VALUE USING GTS (OPER PERMISSION (START MIN VOLT 1, 2, 3, 4))

    Tech Tips

    Check whether stop and start control was prohibited based on the minimum starting voltage of the battery condition.


    1. Enter the following menus: Powertrain / Stop and Start / Data List.

    2. According to the display on the GTS, read the Data List.


      Powertrain > Stop and Start > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Oper Permission (Start Min Volt 1) Permission of stop and start control based on the battery conditions NG/OK OK: Battery temperature is 0°C (32°F) or lower and minimum voltage when cranking is equal to or above threshold If 2 or more of Start Min Volt 1, 2, 3, or 4 are OK, stop and start control is permitted
      Oper Permission (Start Min Volt 2) Permission of stop and start control based on the battery conditions NG/OK OK: Battery temperature is higher than 0°C (32°F) and minimum voltage when cranking is equal to or above threshold If 2 or more of Start Min Volt 1, 2, 3, or 4 are OK, stop and start control is permitted
      Oper Permission (Start Min Volt 3) Permission of stop and start control based on the battery conditions NG/OK OK: Battery temperature is 0°C (32°F) or lower and minimum voltage when starter begins operation is equal to or above threshold If 2 or more of Start Min Volt 1, 2, 3, or 4 are OK, stop and start control is permitted
      Oper Permission (Start Min Volt 4) Permission of stop and start control based on the battery conditions NG/OK OK: Battery temperature is higher than 0°C (32°F) and minimum voltage when starter begins operation is equal to or above threshold If 2 or more of Start Min Volt 1, 2, 3, or 4 are OK, stop and start control is permitted

      Powertrain > Stop and Start > Data List
      Tester Display
      Oper Permission (Start Min Volt 1)
      Oper Permission (Start Min Volt 2)
      Oper Permission (Start Min Volt 3)
      Oper Permission (Start Min Volt 4)
      Result
      Result Proceed to
      OK is displayed for 2 or more items A
      OK is displayed for 1 item or none B

      1. The Data List item "Oper Permission (Start Min Volt 1, 2, 3, 4)" is judged OK or NG according to the values of the following Data List items.


        Powertrain > Stop and Start > Data List
        Tester Display Measurement Item Range Normal Condition Diagnostic Note
        Battery Temp (Start) Battery temperature at engine start Min.: -40°C (-40°F), Max.: 100°C (212°F) Same as temperature around battery at engine start (after engine start) -
        Min Voltage(Cranking) Minimum battery voltage while engine cranking (incurrent trip) Min.: 0 V ,Max.: 327.67 V 6 to 11 V Lowest battery voltage measured in a 5 second period after the starter starts operating.
        Min Volt(After Cranking) Minimum battery voltage just after engine cranking Min.: 0 V ,Max.: 40 V 6 to 11 V Minimum battery voltage while starter driving
        Battery Type Set battery type Specified/Other

        Specified: Specified battery

        Other: Non-specified battery

        		 -

        Powertrain > Stop and Start > Data List
        Tester Display
        Battery Temp (Start)
        Min Voltage(Cranking)
        Min Volt(After Cranking)
        Battery Type
        Permission Criteria (except 8NR-FTS)
        Tester Display Starting Battery Voltage Battery Temperature*1
        Oper Permission (Start Min Volt 1)*2

        6.6 V or higher*4

        6.5 V or higher*5

        		 0°C (32°F) or lower
        Oper Permission (Start Min Volt 2)*2

        6.6 V or higher*4

        6.5 V or higher*5

        		 Higher than 0°C (32°F)
        Oper Permission (Start Min Volt 3)*3

        6.6 V or higher*4

        6.5 V or higher*5

        		 0°C (32°F) or lower
        Oper Permission (Start Min Volt 4)*3

        6.6 V or higher*4

        6.5 V or higher*5

        		 Higher than 0°C (32°F)

        • *1: Read the Data List items "Battery Temp (Start)" when checking the battery temperature.

        • *2: Min Voltage (Cranking)

        • *3: Min Volt (After Cranking)

        • *4: for 1WW

        • *5: for 1ND-TV

        Permission Criteria (Specified Battery) (for 8NR-FTS)
        Tester Display Starting Battery Voltage Battery Temperature*1
        Oper Permission (Start Min Volt 1)*2

        8.14 V or higher*4

        7.2 V or higher*5

        		 0°C (32°F) or lower
        Oper Permission (Start Min Volt 2)*2

        8.14 V or higher*4

        7.2 V or higher*5

        		 Higher than 0°C (32°F)
        Oper Permission (Start Min Volt 3)*3

        7.6 V or higher*4

        7.2 V or higher*5

        		 0°C (32°F) or lower
        Oper Permission (Start Min Volt 4)*3

        7.6 V or higher*4

        7.2 V or higher*5

        		 Higher than 0°C (32°F)

        • *1: Read the Data List items "Battery Temp (Start)" when checking the battery temperature.

        • *2: Min Voltage (Cranking)

        • *3: Min Volt (After Cranking)

        • *4: for CVT

        • *5: for Manual Transaxle

        Permission Criteria (Non-specified Battery) (for 8NR-FTS)
        Tester Display Starting Battery Voltage Battery Temperature*1
        Oper Permission (Start Min Volt 1)*2 8.92 V or higher 0°C (32°F) or lower
        Oper Permission (Start Min Volt 2)*2 8.92 V or higher Higher than 0°C (32°F)
        Oper Permission (Start Min Volt 3)*3 8.92 V or higher 0°C (32°F) or lower
        Oper Permission (Start Min Volt 4)*3 8.92 V or higher Higher than 0°C (32°F)

        • *1: Read the Data List items "Battery Temp (Start)" when checking the battery temperature.

        • *2: Min Voltage (Cranking)

        • *3: Min Volt (After Cranking)


    B

    READ VALUE USING GTS (BATTERY TYPE) Click here

    A

  8. READ VALUE USING GTS (OPER PERMISSION (BATTERY CURRENT))

    Tech Tips

    Check whether the stop and start control was prohibited based on the battery discharge current battery condition.


    1. Enter the following menus: Powertrain / Stop and Start / Data List / Oper Permission (Battery Current).

    2. According to the display on the GTS, read the Data List.


      Powertrain > Stop and Start > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Oper Permission (Battery Current) Permission of stop and start control based on the battery conditions NG/OK OK: Battery discharge current is -125 A or less Engine stop and start ECU calculated value

      Powertrain > Stop and Start > Data List
      Tester Display
      Oper Permission (Battery Current)
      Result
      Result Proceed to
      OK is displayed A
      NG is displayed B

      1. The Data List item "Oper Permission (Battery Current)" is judged OK or NG according to the values of the following Data List items.


        Powertrain > Stop and Start > Data List
        Tester Display Measurement Item Range Normal Condition Diagnostic Note
        Battery Current Battery current Min.: 0 A, Max.: 124.99 A - -

        Powertrain > Stop and Start > Data List
        Tester Display
        Battery Current
        Permission Criteria
        Tester Display Battery Current
        Oper Permission (Battery Current) -125 A or less

    B

    END (REDUCE ELECTRICAL LOAD)

    A

  9. READ VALUE USING GTS (OPER PERMISSION (INTEGRATED CURRENT))

    Tech Tips

    Check whether the stop and start control was prohibited based on the integrated current value battery condition.


    1. Enter the following menus: Powertrain / Stop and Start / Data List / Oper Permission (Integrated Current).

    2. According to the display on the GTS, read the Data List.


      Powertrain > Stop and Start > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Oper Permission (Integrated Current) Permission of stop and start control based on the integrated current value conditions NG/OK OK: Integrated current value more than specified

      The condition is judged based on the integrated current value.

      The status depend on the value of "Integrated Current", and OK/NG threshold differs according to the battery temperature.

      Powertrain > Stop and Start > Data List
      Tester Display
      Oper Permission (Integrated Current)
      Result
      Result Proceed to
      OK is displayed A
      NG is displayed B

    B

    READ VALUE USING GTS (INTEGRATED CURRENT) Click here

    A

  10. READ VALUE USING GTS (STATE OF BBC AND BBC CHECK RESULT)

    Tech Tips

    Check the operation of the backup boost converter.


    1. Enter the following menus: Powertrain / Stop and Start / Data List / State of BBC and BBC Check Result.

    2. According to the display on the GTS, read the Data List.


      Powertrain > Stop and Start
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      State of BBC Backup boost converter status Cycle Err / Overvol / Overload / Normal / Low Vol / Duty Err / S&S Sensor Electric Supply Low / S&S CPU Malfunction / BBC Overcurrent / S&S Starter Overcurrent / S&S Reduced Voltage Reset status Normal: Backup boost converter operating normally

      • Cycle Err:


        • Abnormal output voltage cycle is detected

      • Overvol:


        • When the ignition switch is ON:


          1. Overvoltage is detected at the control IC power source within the backup boost converter

          2. Overheating is detected at the control IC power source within the backup boost converter


        • When boosting:


          1. Error is detected in the feedback circuit in the backup boost converter

          2. Too high or low output voltage

      • Overload:


        • Overcurrent is detected.

      • Low Vol:


        • A decrease in the voltage of the control IC power source within the backup boost converter is detected when ignition switch is turned to ON.

      • Duty Err:


        • Abnormal duty ratio is detected
      BBC Check Result Backup boost converter check result Normal / Abnormal - -

      Powertrain > Stop and Start > Data List
      Tester Display
      State of BBC
      BBC Check Result
      Result
      Result Proceed to
      Normal is displayed A
      Normal is not displayed B

    B

    GO TO BACKUP BOOST CONVERTER CIRCUIT

    A

  11. READ VALUE USING GTS (OPER PROHIBITION (JUMP START))

    Tech Tips

    Check whether stop and start control was prohibited based on the jump start battery condition.


    1. Enter the following menus: Powertrain / Stop and Start / Data List / Oper Prohibition (Jump Start).

    2. According to the display on the GTS, read the Data List.


      Powertrain > Stop and Start > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Oper Prohibition (Jump Start) Prohibition of stop and start control based on the jump start conditions Permit / Prohibit Prohibit: Engine started with the engine hood open and the ignition switch turned to START When Prohibit is displayed, the stop and start control will be prohibited until the ignition switch is turned off.

      Powertrain > Stop and Start > Data List
      Tester Display
      Oper Prohibition (Jump Start)
      Result
      Result Proceed to
      Permit is displayed A
      Prohibit is displayed B

      1. The Data List item "Oper Permission (Jump Start)" is judged Permit or Prohibit according to the values of the following Data List items.


        Powertrain > Stop and Start > Data List
        Tester Display Measurement Item Range Normal Condition Diagnostic Note
        Hood Courtesy Switch Hood courtesy switch signal ON / OFF

        ON: Engine hood closed

        OFF: Engine hood open

        		 -
        Oper Permission (Engine Hood Closed) Permission of stop and start control based on the engine hood open/close conditions NG / OK OK: Engine hood closed -

        Powertrain > Stop and Start > Data List
        Tester Display
        Hood Courtesy Switch
        Oper Permission (Engine Hood Closed)
        Permission Criteria
        Tester Display Conditions
        Oper Prohibition (Jump Start) ON (Engine hood closed) is displayed for Hood Courtesy Switch
        OK (Engine Hood Closed) is displayed for Oper Permission (Engine Hood Closed)

    B

    READ VALUE USING GTS (HOOD COURTESY SWITCH) Click here

    A

  12. READ VALUE USING GTS (OPER PROHIBITION (MANUAL START))

    Tech Tips

    Check whether the stop and start control was prohibited based on the manual start battery condition.


    1. Enter the following menus: Powertrain / Stop and Start / Data List / Oper Prohibition (Manual Start).

    2. According to the display on the GTS, read the Data List.


      Powertrain > Stop and Start > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Oper Prohibition (Manual Start) Prohibition of stop and start control based on the manual start conditions Permit / Prohibit Prohibit: During manual start

      When Prohibit is displayed, the stop and start control will be prohibited until the ignition switch is turned off.

      Conditions for Manual Start:


      • Clutch start switch OFF or vehicle speed signal input

      • Neutral position switch OFF

      • Starter signal OFF

      Powertrain > Stop and Start > Data List
      Tester Display
      Oper Prohibition (Manual Start)
      Result
      Result Proceed to
      Permit is displayed A
      Prohibit is displayed B

      Tech Tips

      If Prohibit is displayed, start the engine using a key.


    B

    END (STOP AND START CONTROL PROHIBITED DUE TO MANUAL START OPERATION)

    A

  13. READ VALUE USING GTS (OPER PERMISSION (BATTERY))

    Tech Tips

    Check whether the stop and start control was prohibited based on the battery temperature battery condition.


    1. Enter the following menus: Powertrain / Stop and Start / Data List / Oper Permission (Battery).

    2. According to the display on the GTS, read the Data List.


      Powertrain > Stop and Start > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Oper Permission (Battery) Permission of stop and start control based on the battery conditions NG / OK OK: Stop and start control is permitted based on battery conditions, or Active Test (forced permission) is performed -

      Powertrain > Stop and Start > Data List
      Tester Display
      Oper Permission (Battery)
      Result
      Result Proceed to
      NG is displayed A
      OK is displayed B

      1. The Data List item "Oper Permission (Battery)" is judged OK or NG according to the values of the following Data List items.


        Powertrain > Stop and Start > Data List
        Tester Display Measurement Item Range Normal Condition Diagnostic Note
        Battery Fluid Temperature Battery temperature Min.: -40°C (-40°F), Max.: 100°C (212°F) Changes according to actual temperature: Driving after engine warmed up -
        Ambient Temp Sensor Ambient temperature Min.: -80°C (-112°F), Max.: 79.9°C (175.8°F) Close to ambient temperature -

        Powertrain > Stop and Start > Data List
        Tester Display
        Battery Fluid Temperature
        Ambient Temp Sensor
        Permission Criteria
        Tester Display Battery Temperature*
        Oper Permission (Battery) Current battery temperature is between -10°C (14°F) and 70°C (158°F)

        Tech Tips

        *: Read the Data List items "Battery Fluid Temperature" and "Ambient Temp Sensor" when checking the battery temperature.


    B

    END (CHECK OTHER STOP AND START CONTROL PERMISSION/PROHIBITION CONDITIONS)

    A

  14. READ VALUE USING GTS (BATTERY TEMPERATURE)

    Tech Tips

    Check the battery temperature.


    1. Enter the following menus: Powertrain / Stop and Start / Data List.

    2. According to the display on the GTS, read the Data List.


      Powertrain > Stop and Start > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Battery Fluid Temperature Battery temperature Min.: -40°C (-40°F), Max.: 100°C (212°F) Changes according to actual temperature: Driving after engine warmed up -
      Ambient Temp Sensor Ambient temperature Min.: -80°C (-112°F), Max.: 79.9°C (175.8°F) Close to ambient temperature -

      Powertrain > Stop and Start > Data List
      Tester Display
      Battery Fluid Temperature
      Ambient Temp Sensor
      Result
      Result Proceed to
      Both "Battery Fluid Temperature" and "Ambient Temp Sensor" are as specified A
      "Battery Fluid Temperature" or "Ambient Temp Sensor" is not as specified B

      Tech Tips

      If the battery temperature is not as specified, leave the battery under room temperature conditions until its temperature becomes as specified.


    B

    END (STOP AND START CONTROL PROHIBITED DUE TO ABNORMAL BATTERY TEMPERATURE)

    A

  15. READ VALUE USING GTS (OPER PERMISSION (BATTERY))

    Tech Tips

    Check whether stop and start control was prohibited based on the alternator status battery condition.


    1. Enter the following menus: Powertrain / Stop and Start / Data List / Oper Permission (Battery).

    2. According to the display on the GTS, read the Data List.


      Powertrain > Stop and Start > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Oper Permission (Battery) Permission of stop and start control based on the battery conditions NG / OK OK: Stop and start control is permitted based on battery conditions, or Active Test (forced permission) is performed -

      Powertrain > Stop and Start > Data List
      Tester Display
      Oper Permission (Battery)
      Result
      Result Proceed to
      NG is displayed A
      OK is displayed B

      1. The Data List item "Oper Permission (Battery)" is judged OK or NG according to the values of the following Data List items.


        Powertrain > Stop and Start > Data List
        Tester Display Measurement Item Range Normal Condition Diagnostic Note
        Alternator Status Alternator power generation status Normal / Abnormal Normal: Alternator operation normal -

        Powertrain > Stop and Start > Data List
        Tester Display
        Alternator Status
        Permission Criteria
        Tester Display Conditions
        Oper Permission (Battery) Normal is displayed for Alternator Status (Alternator is generating power)
        Charge indicator lamp is off when the engine is running (Alternator is generating power)

    B

    END (CHECK OTHER STOP AND START CONTROL PERMISSION/PROHIBITION CONDITIONS)

    A

  16. READ VALUE USING GTS (ALTERNATOR STATUS)

    Tech Tips

    Check the power generation status of the alternator.


    1. Start the engine and allow it to idle.

    2. Enter the following menus: Powertrain / Stop and Start / Data List / Alternator Status.

    3. According to the display on the GTS, read the Data List.


      Powertrain > Stop and Start > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Alternator Status Alternator power generation status Normal / Abnormal Normal: Alternator operation normal -

      Powertrain > Stop and Start > Data List
      Tester Display
      Alternator Status
      Result
      Result Proceed to
      Normal is displayed A
      Abnormal is displayed B

    B

    GO TO CHARGING SYSTEM for 1ND-TV: Click here
    GO TO CHARGING SYSTEM for 1WW: Click here
    GO TO CHARGING SYSTEM for 8NR-FTS: Click here

    A

  17. READ VALUE USING GTS (OPER PERMISSION (BATTERY))

    Tech Tips

    Check whether stop and start control was prohibited based on the idling stop rate battery condition.


    1. Enter the following menus: Powertrain / Stop and Start / Data List / Oper Permission (Battery).

    2. According to the display on the GTS, read the Data List.


      Powertrain > Stop and Start > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Oper Permission (Battery) Permission of stop and start control based on the battery conditions NG / OK OK: Stop and start control is permitted based on battery conditions, or Active Test (forced permission) is performed -

      Powertrain > Stop and Start > Data List
      Tester Display
      Oper Permission (Battery)
      Result
      Result Proceed to
      NG is displayed A
      OK is displayed B

      1. The Data List item "Oper Permission (Battery)" is judged OK or NG according to the values of the following Data List items.


        Powertrain > Stop and Start > Data List
        Tester Display Measurement Item Range Normal Condition Diagnostic Note
        Idling Stop Rate Rate of the idling stop time to the entire ignition switch ON time Min.: 0%, Max.: 100% - -
        Total Idling Stop Rate Rate of total idling stop time Min.: 0%, Max.: 100% - -

        Powertrain > Stop and Start > Data List
        Tester Display
        Idling Stop Rate
        Total Idling Stop Rate
        Permission Criteria
        Tester Display Condition
        Oper Permission (Battery) Idling Stop Rate is 50% or less and Total Idling Stop Rate is 40% or less

        Tech Tips

        If Idling Stop Rate exceeds 50%, stop and start control will not be permitted until Idling Stop Rate drops to 47% or less.


    B

    END (CHECK OTHER STOP AND START CONTROL PERMISSION/PROHIBITION CONDITIONS)

    A

  18. READ VALUE USING GTS (IDLING STOP RATE)

    Tech Tips

    Check the idling stop rate.


    1. Enter the following menus: Powertrain / Stop and Start / Data List / Idling Stop Rate.

    2. According to the display on the GTS, read the Data List.


      Powertrain > Stop and Start > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Idling Stop Rate Rate of the idling stop time to the entire ignition switch ON time Min.: 0%, Max.: 100% - -
      Total Idling Stop Rate Rate of total idling stop time Min.: 0%, Max.: 100% - -

      Powertrain > Stop and Start > Data List
      Tester Display
      Idling Stop Rate
      Total Idling Stop Rate
      Result
      Result Proceed to
      Idling Stop Rate is higher than 50% or Total Idling Stop Rate is 40% or higher A
      Idling Stop Rate is 50% or lower and Total Idling Stop Rate is 40% or lower B

      Tech Tips

      If Idling Stop Rate is higher than 50% or Total Idling Stop Rate is higher than 40%, turn the ignition switch off and leave the vehicle off for a while. After that, restart the engine. If the Data List item "Oper Permission (Battery)" still shows not permitted, the battery may be degraded or temporarily discharging. In that case, charge or replace the battery after checking the battery state.


    A

    END (STOP AND START PROHIBITED DUE TO IDLING STOP RATE 50% OR MORE OR TOTAL IDLING STOP RATE 40% OR MORE)

    B

    CHARGE OR REPLACE BATTERY AFTER CHECKING BATTERY STATE AND THEN INITIALIZE CURRENT SUM VALUE AND DRIVE VEHICLE UNTIL STOP AND START CONTROL OPERATES (APPROXIMATELY 5 TO 40 MINUTES)

  19. READ VALUE USING GTS (HOOD COURTESY SWITCH)

    Tech Tips

    Check the engine hood courtesy switch (hood lock assembly).


    1. Enter the following menus: Powertrain / Stop and Start / Data List / Hood Courtesy Switch.

    2. According to the display on the GTS, read the Data List.


      Powertrain > Stop and Start > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Hood Courtesy Switch Hood courtesy switch signal ON / OFF

      ON: Engine hood closed

      OFF: Engine hood opened

      		 -

      Powertrain > Stop and Start > Data List
      Tester Display
      Hood Courtesy Switch
      Result
      Result Proceed to
      OK A
      NG B

      Tech Tips

      If the result is OK, the engine may have been started with the engine hood open to perform a jump start. Close the engine hood and start the engine again.


    A

    END (STOP AND START CONTROL PROHIBITED DUE TO ENGINE START WITH ENGINE HOOD OPEN)

    B

    GO TO ENGINE HOOD COURTESY SWITCH CIRCUIT Click here

  20. READ VALUE USING GTS (INTEGRATED CURRENT)

    Tech Tips

    Judge the battery condition based on the integrated current value.


    1. Start the engine and allow it to idle.

    2. Enter the following menus: Powertrain / Stop and Start / Data List / Integrated Current.

    3. According to the display on the GTS, read the Data List.


      Powertrain > Stop and Start > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Integrated Current Battery integrated current Min.: -268434.45 A-sec, Max.: 268435.45 A-sec Differs according to the vehicle condition (charge / discharge conditions) -

      Powertrain > Stop and Start > Data List
      Tester Display
      Integrated Current

      1. Judge whether the Data List item "Integrated Current" is OK or NG according to the following table.


        Powertrain > Stop and Start > Data List
        Tester Display Measurement Item Range Normal Condition Diagnostic Note
        Battery Fluid Temperature Battery fluid temperature Min.: -40°C (-40°F), Max.: 100°C (212°F) Changes according to actual temperature: Driving after engine warmed up -
        Battery Current Battery current Min.: 0 A, Max.: 124.99 A - -
        Integrated Current Battery integrated current Min.: -268434.45 A-sec, Max.: 268435.45 A-sec Differs according to the vehicle condition (charge / discharge conditions) -

        Powertrain > Stop and Start > Data List
        Tester Display
        Battery Fluid Temperature
        Battery Current
        Integrated Current
        Standard Integrated Current Value (for 1WW)
        Status of Battery Charge Control Battery Temperature Integrated Current Proceed to
        Charge Control Coordination Mode or Low Temperature Mode - Below -5299 A-sec A
        Stop and Start Standalone Mode, Stop and Start Restriction Mode or Temperature High/Low Mode -15°C (5°F) or higher and below 75°C (167°F) Below 0 A-sec
        Stop and Start Restriction Mode or Temperature High/Low Mode Below -15°C (5°F) or 75°C (167°F) or higher - B
        Standard Integrated Current Value (for 1ND-TV)
        Status of Battery Charge Control Battery Temperature Integrated Current Proceed to
        Charge Control Coordination Mode or Low Temperature Mode - Below -3974 A-sec A
        Stop and Start Standalone Mode, Stop and Start Restriction Mode or Temperature High/Low Mode -15°C (5°F) or higher and below 75°C (167°F) Below 0 A-sec
        Stop and Start Restriction Mode or Temperature High/Low Mode Below -15°C (5°F) or 75°C (167°F) or higher - B
        Standard Integrated Current Value (for 8NR-FTS)
        Status of Battery Charge Control Battery Temperature Integrated Current Proceed to
        Charge Control Coordination Mode, Stop and Start Standalone Mode or Low Temperature Mode - Below -3974 A-sec A
        Stop and Start Restriction Mode or Temperature High/Low Mode -15°C (5°F) or higher and below 75°C (167°F) Below 0 A-sec
        Stop and Start Restriction Mode or Temperature High/Low Mode Below -15°C (5°F) or 75°C (167°F) or higher - B
        Cause and Action to be Taken
        Result Cause Action to be Taken
        A Integrated current value is limited for the stop and start control due to discharge or deterioration of the battery Check the battery condition and recharge or replace the battery
        B Integrated current value is limited for stop and start control due to battery temperature (too high/low) Leave the battery under room temperature conditions until its temperature becomes as specified. Then check the battery condition and recharge or replace the battery.

        • Initialize* the battery integrated current using the GTS after charging the battery, and drive the vehicle until the stop and start control operates (approximately 5 to 40 minutes).

          *: Use the GTS to perform Integrated Current Value Initialization.

          Click here

        • When the battery sensor current value is normal, recharge or replace the battery

      Result
      Proceed to
      NEXT

    NEXT

    END (RECHARGE OR REPLACE BATTERY)

  21. READ VALUE USING GTS (BATTERY TYPE)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Powertrain / Stop and Start / Data List / Battery Type.

    5. Check the "Battery Type" Data List Item.


      Powertrain > Stop and Start > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Battery Type Set battery type Specified / Other

      Specified: Specified battery

      Other: Non-specified battery

      		 -

      Powertrain > Stop and Start > Data List
      Tester Display
      Battery Type

    6. Check whether the battery is specified or not specified.

      Result
      Data List Battery Type Display Equipped Battery Proceed to
      Other Specified battery A
      Other Non-specified battery B
      Specified - C

    B

    EXPLAIN TO CUSTOMER THAT STOP AND START SYSTEM IS LIMITED TO PREVENT BATTERY MALFUNCTION WHEN A NON-SPECIFIED BATTERY IS USED

    C

    CHARGE OR REPLACE BATTERY AFTER CHECKING BATTERY STATE AND THEN INITIALIZE CURRENT SUM VALUE AND DRIVE VEHICLE UNTIL STOP AND START CONTROL OPERATES (APPROXIMATELY 5 TO 40 MINUTES)

    A

  22. SWITCH BATTERY TYPE


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Powertrain / Engine and ECT / Utility / Switch Battery Type.


      Powertrain > Engine > Utility
      Tester Display
      Switch Battery Type

    5. Perform Switch Battery Type under Utility and set the Specified battery.

    6. Enter the following menus: Powertrain / Stop and Start / Data List / Battery Type.

    7. Check that the "Battery Type" Data List item is set to "Specified".


      Powertrain > Stop and Start > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Battery Type Set battery type Specified / Other

      Specified: Specified battery

      Other: Non-specified battery

      		 -

      Powertrain > Stop and Start > Data List
      Tester Display
      Battery Type
      Result
      Proceed to
      NEXT

    NEXT

    END