STOP AND START SYSTEM Starter Signal Circuit

DESCRIPTION

By using the starter delay circuit, the engine stop and start ECU can activate the ST NO. 2 relay (for starter motor operation) after activating the ST NO. 1 relay (for starter pinion operation) to operate the starter assembly.

WIRING DIAGRAM


  1. for Automatic Transmission:

    A01SJ5VE02
    A01SJOOE01
    A01SKC1E02

  2. for Manual Transmission:

    A01SI2OE01
    A01SHC2E01
    A01SKC1E02

CAUTION / NOTICE / HINT

Note


  • Before replacing the engine stop and start ECU, read the number of starter operations and total number of engine starts and write it into a new engine stop and start ECU.

    Click here

  • After replacing the engine stop and start ECU or air conditioning amplifier assembly, reset and perform learning of the air conditioning information in the engine stop and start ECU.

    Click here

  • After replacing the engine stop and start ECU or airbag sensor assembly, clear and calibrate the deceleration sensor zero point in the engine stop and start ECU.

    Click here

  • for Automatic Transmission:

    When the engine stop and start ECU is replaced, check the electromagnetic oil pump.

    Click here

  • After replacing the starter assembly, perform initialization of the number of starter operations stored in the engine stop and start ECU.

    Click here

  • When the starter assembly is replaced, "ST NO. 1 relay" and "ST NO. 2 relay" must be also replaced.

  • Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE


  1. CHECK CRANKING


    1. Turn the engine starts and check that the engine cranks.

      Result
      Result Proceed to
      Engine cranks A
      Engine does not crank (for Automatic Transmission) B
      Engine does not crank (for Manual Transmission) C

    B

    PERFORM ACTIVE TEST USING GTS (STARTER) Click here

    C

    PERFORM ACTIVE TEST USING GTS (STARTER) Click here

    A

  2. PERFORM ACTIVE TEST USING GTS (STARTER)


    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 / Active Test / Starter.


      Powertrain > Stop and Start > Active Test
      Tester Display
      Starter

    5. Check whether the engine cranks while the Active Test "Starter" is being performed.

      Note

      The Active Test "Starter" is stopped automatically 3 seconds after the starter assembly begins operating.

      Standard
      Engine cranks
      Result
      Proceed to
      OK
      NG

    OK

    GO TO DTC P1603 (CONFIRM CAUSE OF ENGINE STALL) Click here

    NG

  3. CHECK HARNESS AND CONNECTOR (ENGINE STOP AND START ECU POWER SOURCE CIRCUIT)

    A01SK2HC06
    *a

    Front view of wire harness connector

    (to Engine Stop and Start ECU)

    		 - -

    1. Disconnect the G125, G126 and G127 engine stop and start ECU connectors.

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      G125-1 (BIN2) - Body ground Always 9.5 to 14 V
      G125-3 (BIN1) - Body ground Always 9.5 to 14 V

    3. Turn the ignition switch to ON.

    4. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      G126-1 (+B) - Body ground Ignition switch ON 9.5 to 14 V
      G127-21 (IG1) - Body ground Ignition switch ON 9.5 to 14 V
      G127-18 (IG2) - Body ground Ignition switch ON 9.5 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK HARNESS AND CONNECTOR (ENGINE STOP AND START ECU - BODY GROUND)


    1. Disconnect the G125 and G126 engine stop and start ECU connectors.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      G125-2 (GND2) - Body ground Always Below 1 Ω
      G125-8 (GND1) - Body ground Always Below 1 Ω
      G126-6 (DGND) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE ENGINE STOP AND START ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  5. PERFORM ACTIVE TEST USING GTS (STARTER)


    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 / Active Test / Starter.


      Powertrain > Stop and Start > Active Test
      Tester Display
      Starter

    5. Check whether the engine cranks while the Active Test "Starter" is being performed.

      Note

      The Active Test "Starter" is stopped automatically 3 seconds after the starter assembly begins operating.

      Standard
      Engine cranks
      Result
      Result Proceed to
      Engine cranks A
      Engine does not crank B

    B

    CHECK ENGINE STOP AND START ECU (STA, STA2 SIGNAL) Click here

    A

  6. READ VALUE USING GTS (NEUTRAL SWITCH)


    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 / Neutral Switch.

    5. In accordance with the display on the GTS, read the Data List.


      Powertrain > Stop and Start > Data List
      Tester Display
      Neutral Switch
      OK
      Tester Display Condition Normal Condition
      Neutral Switch Shift lever in P or N ON
      Shift lever not in P or N OFF
      Result
      Proceed to
      OK (w/ Entry and Start System)
      OK (w/o Entry and Start System)
      NG

    OK (w/o Entry and Start System)

    INSPECT IGNITION OR STARTER SWITCH ASSEMBLY Click here

    NG

    INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY Click here

    OK (w/ Entry and Start System)

  7. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) - ENGINE STOP AND START ECU)


    1. Disconnect the G70 certification ECU (smart key ECU assembly) connector.

    2. Disconnect the G126 engine stop and start ECU connector.

    3. Disconnect the C24 park/neutral position switch assembly connector.

    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      G70-16 (STAR) - G126-17 (CLL) Always Below 1 Ω
      G70-16 (STAR) - Body ground Always 10 kΩ or higher
      G126-17 (CLL) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  8. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (STAR SIGNAL)


    1. A01SJJ4C19
      *a

      Front view of wire harness connector

      (to Engine Stop and Start ECU)

      Disconnect the G126 engine stop and start ECU connector.

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      G126-17 (CLL) - Body ground Engine started using push start switch assembly (engine start) 9.5 to 14 V
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    GO TO ENTRY AND START SYSTEM Click here

  9. INSPECT IGNITION OR STARTER SWITCH ASSEMBLY


    1. Inspect the ignition or starter switch assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE IGNITION OR STARTER SWITCH ASSEMBLY Click here

    OK

  10. CHECK HARNESS AND CONNECTOR (IGNITION OR STARTER SWITCH ASSEMBLY - BATTERY)


    1. A01SJC0C08
      *a

      Front view of wire harness connector:

      (to Ignition or Starter Switch Assembly)

      Disconnect the G1 ignition or starter switch assembly connector.

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      G1-4 (AM2) - Body ground Always 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  11. CHECK HARNESS AND CONNECTOR (IGNITION OR STARTER SWITCH ASSEMBLY - PARK/NEUTRAL POSITION SWITCH ASSEMBLY)


    1. Disconnect the G1 ignition or starter switch assembly connector.

    2. Disconnect the C24 park/neutral position switch assembly connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      G1-2 (ST2) - C24-4 (B) Always Below 1 Ω
      G1-2 (ST2) - Body ground Always 10 kΩ or higher
      C24-4 (B) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  12. INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY


    1. Inspect the park/neutral position switch assembly.

      Click here

      Result
      Proceed to
      OK (w/ Entry and Start System)
      OK (w/o Entry and Start System)
      NG

    OK (w/o Entry and Start System)

    CHECK HARNESS AND CONNECTOR (IGNITION OR STARTER SWITCH ASSEMBLY - ST NO. 1 RELAY) Click here

    NG

    REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY Click here

    OK (w/ Entry and Start System)

  13. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) - ST NO. 1 RELAY)


    1. Disconnect the G70 certification ECU (smart key ECU assembly) connector.

    2. Remove the ST NO. 1 relay from the engine room relay block and junction block.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      G70-16 (STAR) - ST NO. 1 relay terminal 2 Shift lever in P or N Below 1 Ω
      Shift lever not in P or N 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  14. CHECK HARNESS AND CONNECTOR (IGNITION OR STARTER SWITCH ASSEMBLY - ST NO. 1 RELAY)


    1. Disconnect the G1 ignition or starter switch assembly connector.

    2. Disconnect the G126 engine stop and start ECU connectors.

    3. Remove the ST NO. 1 relay from the engine room relay block and junction block.

    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      G1-2 (ST2) - ST NO. 1 relay terminal 2 Shift lever in P or N Below 1 Ω
      Shift lever not in P or N 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  15. CHECK ENGINE STOP AND START ECU (STA, STA2 SIGNAL)


    1. Connect an oscilloscope to terminals G126-21 (STA), G126-23 (STA2) and G126-6 (DGND).

      A01SIB9C98
      *a

      Component with harness connected

      (Engine Stop and Start ECU)

      		 - -
    2. B0026DXE12
      *1 (ST NO. 1 Relay)
      *2 (ST NO. 2 Relay)
      *3 0.03 to 0.06 seconds

      Check the waveform immediately after turning the engine starts.

      Item Condition
      Tester Connection

      G126-21 (STA) - G126-6 (DGND)

      G126-23 (STA2) - G126-6 (DGND)
      Condition Engine started by ignition or starter switch assembly*1 or push start switch assembly*2 operation

      • *1: w/o Entry and Start System

      • *2: w/ Entry and Start System

      Result
      Result Proceed to
      Delay between ST NO. 1 relay turning on and ST NO. 2 relay turning on: between 0.03 and 0.06 seconds A
      Delay between ST NO. 1 relay turning on and ST NO. 2 relay turning on: not between 0.03 and 0.06 seconds B
      ST NO. 1 relay turns on and ST NO. 2 relay does not turn on C
      ST NO. 1 relay and ST NO. 2 relay do not turn on D

      Note

      After replacing the engine stop and start ECU, make sure that the flywheel sub-assembly and starter pinion gear are not excessively worn. A malfunction in the delay circuit may cause the flywheel sub-assembly or starter pinion gear to be worn or damaged.


    B

    REPLACE ENGINE STOP AND START ECU Click here

    C

    CHECK HARNESS AND CONNECTOR (ENGINE STOP AND START ECU POWER SOURCE CIRCUIT) Click here

    D

    GO TO STEP 19 Click here

    A

  16. INSPECT RELAY (ST NO. 1, ST NO. 2 RELAY)


    1. Inspect the ST NO. 1 relay.

      Click here

    2. Inspect the ST NO. 2 relay.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE RELAY (ST NO. 1, ST NO. 2 RELAY)

    OK

  17. CHECK HARNESS AND CONNECTOR (ST NO. 1, ST NO. 2 RELAY - BATTERY)


    1. A01SFY6C02
      *1 Engine Room Relay Block and Junction Block
      *a ST NO. 1 Relay Terminal
      *b ST NO. 2 Relay Terminal

      Remove the ST NO. 1 and ST NO. 2 relays from the engine room relay block and junction block.

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      ST NO. 1 relay terminal 5 - Body ground Always 9.5 to 14 V
      ST NO. 2 relay terminal 5 - Body ground Always 9.5 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  18. CHECK HARNESS AND CONNECTOR (ST NO. 1, ST NO. 2 RELAY - STARTER ASSEMBLY)


    1. Remove the ST NO. 1 and ST NO. 2 relays from the engine room relay block and junction block.

    2. Disconnect the C141 starter assembly connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      ST NO. 1 relay terminal 3 - C141-1 (SL1) Always Below 1 Ω
      ST NO. 2 relay terminal 3 - C141-2 (SL2) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  19. CHECK HARNESS AND CONNECTOR (ST NO. 1 RELAY - BODY GROUND)


    1. Remove the ST NO. 1 relay from the engine room relay block and junction block.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      ST NO. 1 relay terminal 1 - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  20. CHECK HARNESS AND CONNECTOR (ST NO. 2 RELAY - BODY GROUND)


    1. Remove the ST NO. 2 relay from the engine room relay block and junction block.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      ST NO. 2 relay terminal 1 - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  21. CHECK HARNESS AND CONNECTOR (ENGINE STOP AND START ECU - ST NO. 1 RELAY)


    1. Disconnect the G126 engine stop and start ECU connector.

    2. Remove the ST NO. 1 relay from the engine room relay block and junction block.

    3. w/ Entry and Start System:

      Disconnect the G70 certification ECU (smart key ECU assembly) connector.

    4. for Automatic Transmission:

      Disconnect the C24 park/neutral position switch assembly connector.

    5. for Manual Transmission:

      Disconnect the B2 clutch start switch assembly (for lower) connector.

    6. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      G126-21 (STA) - ST NO. 1 relay terminal 2 Always Below 1 Ω
      G126-21 (STA) - Body ground Always 10 kΩ or higher
      ST NO. 1 relay terminal 2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  22. CHECK HARNESS AND CONNECTOR (ENGINE STOP AND START ECU - ST NO. 2 RELAY)


    1. Disconnect the G126 engine stop and start ECU connector.

    2. Remove the ST NO. 2 relay from the engine room relay block and junction block.

    3. Disconnect the G85 ECM connector.

    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      G126-23 (STA2) - ST NO. 2 relay terminal 2 Always Below 1 Ω
      G126-23 (STA2) - Body ground Always 10 kΩ or higher
      ST NO. 2 relay terminal 2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  23. CHECK STARTER SIGNAL (OUTPUT WAVEFORM)


    1. Enter the following menus: Powertrain / Stop and Start / Active Test / Starter Motor Drive Magnet Switch.

    2. Connect the positive (+) lead of an oscilloscope to the positive (+) battery terminal and the negative (-) lead to the negative (-) battery terminal.

    3. While performing the Active Test "Starter Motor Drive Magnet Switch" to forcibly operate the starter motor, count the number of times the waveform drops.

      Note


      • The Active Test "Starter Motor Drive Magnet Switch" is stopped automatically after the starter motor operates for 3 seconds.

      • Do not forcibly operate the starter pinion.

      A01SGR7E06
      Standard
      Waveform drops 2 times
      Result
      Number of Times Waveform Dropped Proceed to
      0 times A
      2 times B

    A

    REPLACE STARTER ASSEMBLY Click here

    B

  24. INSPECT STARTER ASSEMBLY


    1. Inspect the starter assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPLACE STARTER ASSEMBLY Click here

  25. CHECK HARNESS AND CONNECTOR (ENGINE STOP AND START ECU POWER SOURCE CIRCUIT)

    A01SK2HC06
    *a

    Front view of wire harness connector

    (to Engine Stop and Start ECU)

    		 - -

    1. Disconnect the G125, G126 and G127 engine stop and start ECU connectors.

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      G125-1 (BIN2) - Body ground Always 9.5 to 14 V
      G125-3 (BIN1) - Body ground Always 9.5 to 14 V

    3. Turn the ignition switch to ON.

    4. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      G126-1 (+B) - Body ground Ignition switch ON 9.5 to 14 V
      G127-21 (IG1) - Body ground Ignition switch ON 9.5 to 14 V
      G127-18 (IG2) - Body ground Ignition switch ON 9.5 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  26. CHECK HARNESS AND CONNECTOR (ENGINE STOP AND START ECU - BODY GROUND)


    1. Disconnect the G125 and G126 engine stop and start ECU connectors.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      G125-2 (GND2) - Body ground Always Below 1 Ω
      G125-8 (GND1) - Body ground Always Below 1 Ω
      G126-6 (DGND) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE ENGINE STOP AND START ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  27. PERFORM ACTIVE TEST USING GTS (STARTER)


    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 / Active Test / Starter.


      Powertrain > Stop and Start > Active Test
      Tester Display
      Starter

    5. Check whether the engine cranks while the Active Test "Starter" is being performed.

      Note

      The Active Test "Starter" is stopped automatically 3 seconds after the starter assembly begins operating.

      Standard
      Engine cranks
      Result
      Result Proceed to
      Engine cranks A
      Engine does not crank B

    B

    GO TO STEP 15 Click here

    A

  28. READ VALUE USING GTS (CLUTCH LOWER SW)


    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 / Clutch Lower SW

    5. In accordance with the display on the GTS, read the Data List.


      Powertrain > Stop and Start > Data List
      Tester Display
      Clutch Lower SW
      OK
      Tester Display Condition Normal Condition
      Clutch Lower SW Clutch pedal depressed ON
      Clutch pedaly released OFF
      Result
      Proceed to
      OK (w/ Entry and Start System)
      OK (w/o Entry and Start System)
      NG

    OK (w/o Entry and Start System)

    INSPECT IGNITION OR STARTER SWITCH ASSEMBLY Click here

    NG

    INSPECT CLUTCH START SWITCH ASSEMBLY (FOR LOWER) Click here

    OK (w/ Entry and Start System)

  29. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) - ENGINE STOP AND START ECU)


    1. Disconnect the G70 certification ECU (smart key ECU assembly) connector.

    2. Disconnect the G126 engine stop and start ECU connector.

    3. Disconnect the B2 clutch start switch assembly (for Lower) connector.

    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      G70-16 (STAR) - G126-17 (CLL) Always Below 1 Ω
      G70-16 (STAR) - Body ground Always 10 kΩ or higher
      G126-17 (CLL) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  30. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (STAR SIGNAL)


    1. A01SJJ4C19
      *a

      Front view of wire harness connector

      (to Engine Stop and Start ECU)

      Disconnect the G126 engine stop and start ECU connector.

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      G126-17 (CLL) - Body ground Engine started using push start switch assembly (engine start) 9.5 to 14 V
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    GO TO ENTRY AND START SYSTEM Click here

  31. INSPECT IGNITION OR STARTER SWITCH ASSEMBLY


    1. Inspect the ignition or starter switch assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE IGNITION OR STARTER SWITCH ASSEMBLY Click here

    OK

  32. CHECK HARNESS AND CONNECTOR (IGNITION OR STARTER SWITCH ASSEMBLY - BATTERY)


    1. A01SJC0C08
      *a

      Front view of wire harness connector:

      (to Ignition or Starter Switch Assembly)

      Disconnect the G1 ignition or starter switch assembly connector.

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      G1-4 (AM2) - Body ground Always 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  33. CHECK HARNESS AND CONNECTOR (IGNITION OR STARTER SWITCH ASSEMBLY - CLUTCH START SWITCH ASSEMBLY (FOR LOWER))


    1. Disconnect the G1 ignition or starter switch assembly connector.

    2. Disconnect the B2 clutch start switch assembly (for lower) connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      G1-2 (ST2) - B2-2 Always Below 1 Ω
      G1-2 (ST2) - Body ground Always 10 kΩ or higher
      B2-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  34. INSPECT CLUTCH START SWITCH ASSEMBLY (FOR LOWER)


    1. Inspect the clutch start switch assembly (for lower).

      Click here

      Result
      Proceed to
      OK (w/ Entry and Start System)
      OK (w/o Entry and Start System)
      NG

    OK (w/o Entry and Start System)

    CHECK HARNESS AND CONNECTOR (IGNITION OR STARTER SWITCH ASSEMBLY - ST NO. 1 RELAY) Click here

    NG

    REPLACE CLUTCH START SWITCH ASSEMBLY (FOR LOWER) Click here

    OK (w/ Entry and Start System)

  35. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) - ST NO. 1 RELAY)


    1. Disconnect the G70 certification ECU (smart key ECU assembly) connector.

    2. Remove the ST NO. 1 relay from the engine room relay block and junction block.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      G70-16 (STAR) - ST NO. 1 relay terminal 2 Clutch pedal depressed Below 1 Ω
      Clutch pedal released 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  36. CHECK HARNESS AND CONNECTOR (IGNITION OR STARTER SWITCH ASSEMBLY - ST NO. 1 RELAY)


    1. Disconnect the G1 ignition or starter switch assembly connector.

    2. Disconnect the G126 engine stop and start ECU connectors.

    3. Remove the ST NO. 1 relay from the engine room relay block and junction block.

    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      G1-2 (ST2) - ST NO. 1 relay terminal 2 Clutch pedal depressed Below 1 Ω
      Clutch pedal released 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR