СИСТЕМА ЗАПУСКА И ОСТАНОВА (для моделей с 3ZR-FAE) 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. 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
      Proceed to
      DTCs are not output
      DTCs are output

    DTCs are output

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

    DTCs are not output

  2. 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 condition NG / OK OK: Stop and start control is permitted based on battery condition, or Active Test (forced permission) is performed -
      Oper Permission (Start Min Volt 1) Permission of stop and start control based on the battery condition 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 condition 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 condition 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 condition 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 condition NG / OK OK: Battery discharge current is -125 A or higher Engine stop and start ECU calculated value
      Oper Permission (Integrated Current) Permission of stop and start control based on the integrated current value condition 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 condition Permit / Prohibit Prohibit: Engine started with the engine hood open and the ignition switch turned START When Prohibit is displayed, stop and start control will be prohibited until the ignition switch is turned 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)
      Result
      Proceed to
      NEXT

    NEXT

  3. 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
      Proceed to
      NG is displayed
      OK is displayed

    OK is displayed

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

    NG is displayed

  4. 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
      "Abnormal Mode" is displayed C
      "Battery Condition Judgment 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

    GO TO CHARGING SYSTEM Click here

    D

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

    A

  5. 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
      Battery Type Set battery type Specified / Other

      Specified: Specified battery

      Other: Non-specified battery

      		 -
      Oper Permission (Start Min Volt 1) Permission of stop and start control based on the battery condition 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 condition 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 condition 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 condition 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
      Battery Type
      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
      Proceed to
      OK is displayed for 2 or more items
      OK is displayed for 1 item or none

      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 voltage when cranking engine

        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 voltage when starter begins operation

        Min.: 0 V

        Max.: 327.67 V

        		 6 to 11 V Minimum battery voltage while starter driving

        Powertrain > Stop and Start > Data List
        Tester Display
        Battery Temp (Start)
        Min Voltage(Cranking)
        Min Volt(After Cranking)
        Permission Criteria (Specified Battery)
        Tester Display Starting Battery Voltage Battery Temperature*
        Oper Permission (Start Min Volt 1) 7.65 V or higher 0°C (32°F) or lower
        Oper Permission (Start Min Volt 2) 7.65 V or higher Higher than 0°C (32°F)
        Oper Permission (Start Min Volt 3) 7.66 V or higher 0°C (32°F) or lower
        Oper Permission (Start Min Volt 4) 7.66 V or higher Higher than 0°C (32°F)

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

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

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


    OK is displayed for 1 item or none

    READ VALUE USING GTS (BATTERY TYPE) Click here

    OK is displayed for 2 or more items

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

    Tech Tips

    Check whether 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 condition NG / OK OK: Battery discharge current is -125 A or higher Engine stop and start ECU calculated value

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

      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.: -125 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 higher

    NG is displayed

    END (REDUCE ELECTRICAL LOAD)

    OK is displayed

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

    Tech Tips

    Check whether 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 condition NG / OK OK: Integrated current value more than specified The status depends on the value of "Integrated Current", and the OK/NG threshold differs according to the battery temperature.

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

    OK is displayed

    READ VALUE USING GTS (STATE OF BBC AND BBC CHECK RESULT) Click here

    NG is displayed

  8. 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 temperature

        Min.: -40°C (-40°F)

        Max.: 100°C (212°F)

        		 Changes according to actual temperature: Driving after engine warmed up -
        Idle Engine idling status ON / OFF

        ON: Accelerator pedal fully released

        OFF: Accelerator pedal depressed

        		 This is sent from the ECM.
        Battery Current Battery current

        Min.: -125 A

        Max.: 124.99 A

        		 - -
        Ambient Temp Sensor Ambient temperature

        Min.: -80°C (-112°F)

        Max.: 79.9°C (175.8°F)

        		 Close to ambient air temperature -
        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
        Idle
        Battery Current
        Ambient Temp Sensor
        Integrated Current
        Standard Integrated Current Value
        Status of Battery Charge Control Battery Fluid Temperature Integrated Current Proceed to
        Charge Control Coordination Mode or Stop and Start Standalone Mode - Below -13478 A-sec A
        Low Temperature Mode Between 3°C (37.4°F) and 11°C (51.8°F) Below -6048 A-sec
        Low Temperature Mode Between -1°C (30.2°F) and under 3°C (37.4°F) Below -3974 A-sec
        Stop and Start Restriction Mode or Temperature High/Low Mode -15°C (5°F) or higher or 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

          Tech Tips

          If the Data List item "Integrated Current" is 0 or higher, it is not necessary to perform initialization.

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

      Result
      Proceed to
      NEXT

    NEXT

    END (RECHARGE OR REPLACE BATTERY)

  9. 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 > Data List
      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. Malfunction 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
      Proceed to
      Normal is displayed
      Normal is not displayed

    Normal is not displayed

    GO TO BACKUP BOOST CONVERTER CIRCUIT Click here

    Normal is displayed

  10. 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 condition Permit / Prohibit Prohibit: Engine started with the engine hood open and the ignition switch turned START When Prohibit is displayed, 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
      Proceed to
      Permit is displayed
      Prohibit is displayed

      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 condition 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) OK (Engine Hood Closed) is displayed for Oper Permission (Engine Hood Closed)

        Tech Tips


        • A jump start is determined if the engine is started with the engine hood open.

        • Replace if the battery is deteriorated.

        • A jump start determination is canceled if the engine is started with the engine hood closed after the ignition switch is turned off.


    Prohibit is displayed

    READ VALUE USING GTS (HOOD COURTESY SWITCH) Click here

    Permit is displayed

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

    Tech Tips

    Check whether 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
      Proceed to
      NG is displayed
      OK is displayed

      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.


    OK is displayed

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

    NG is displayed

  12. READ VALUE USING GTS (BATTERY FLUID 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
      Proceed to Proceed to
      Both Battery Fluid Temperature and Ambient Temp Sensor are suitable temperature A
      Battery Fluid Temperature or Ambient Temp Sensor is not suitable temperature 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

  13. 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 condition 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
      Proceed to
      NG is displayed
      OK is displayed

      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 Generator power generation status Normal / Abnormal Normal: Generator 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 (Generator is generating power)
        Charge indicator is off when the engine is running (Generator is generating power)

    OK is displayed

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

    NG is displayed

  14. READ VALUE USING GTS (ALTERNATOR STATUS)

    Tech Tips

    Check the power generation status of the generator.


    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 Generator power generation status Normal / Abnormal Normal: Generator operation normal -

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

    Abnormal is displayed

    GO TO CHARGING SYSTEM Click here

    Normal is displayed

  15. 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 condition 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
      Proceed to
      NG is displayed
      OK is displayed

      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 Conditions
        Oper Permission (Battery) Idling Stop Rate is 50% or less and Total Idling Stop Rate is 40% or less

        Tech Tips

        Once the threshold is exceeded, stop and start will be permitted again once Idling Stop Rate reaches 47% or less and Total Idling Stop Rate reaches 40% or less.


    OK is displayed

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

    NG is displayed

  16. READ VALUE USING GTS (IDLING STOP RATE, TOTAL IDLING STOP RATE)

    Tech Tips

    Check the idling stop rate.


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

  17. 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

  18. 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 and ECT > 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

  19. READ VALUE USING GTS (HOOD COURTESY SWITCH)

    Note

    Before performing this step, check that the engine hood can be opened by pulling the hood lock control cable.

    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
      Proceed to
      OK
      NG

      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.


    OK

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

    NG

    GO TO ENGINE HOOD COURTESY SWITCH CIRCUIT Click here