SFI SYSTEM Starter Signal Circuit

DESCRIPTION



WIRING DIAGRAM

A01VJ2LE01
A01VL99E01
A01VK54E01
A01VK54E02

CAUTION / NOTICE / HINT

Note


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

  • After turning ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work Click here.

PROCEDURE


  1. SYSTEM CHECK


    1. Check the vehicle specifications.

      Result
      Result Proceed to
      w/ Stop and Start System for CVT A
      for Manual Transaxle B
      w/o Stop and Start System C

    B

    CHECK WHETHER ENGINE STARTS Click here

    C

    CHECK WHETHER ENGINE CAN BE CRANKED Click here

    A

  2. CHECK WHETHER ENGINE STARTS


    1. Check if the engine can be cranked.

      Result
      Result Proceed to
      Engine cannot be cranked A
      Engine can be cranked B

    B

    READ VALUE USING INTELLIGENT TESTER (STARTER SIGNAL) Click here

    A

  3. READ VALUE USING INTELLIGENT TESTER (STARTER SIGNAL)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the tester on.

    4. Enter the following menus: Powertrain / Engine and ECT / Data List / Starter Signal.

    5. Read the value displayed on the tester when the ignition switch is turned to the ON and START positions.

      OK
      Ignition Switch Position Starter Signal
      ON OFF
      START ON

    NG

    GO TO STOP AND START SYSTEM Click here

    OK

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


    1. Disconnect the A58 ECM connector.

    2. Disconnect the A92 engine stop and start ECU connector.

    3. Remove the ST NO. 2 relay from the NO. 2 engine room relay block.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A58-22 (STA) - A92-23 (STA2) Always Below 1 Ω
      A58-22 (STA) - Relay holder 2 Always Below 1 Ω
      58-22 (STA), 92-23 (STA2) or Relay holder 2 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. CHECK HARNESS AND CONNECTOR (ECM - ENGINE STOP AND START ECU - PARK/NEUTRAL POSITION SWITCH - IGNITION SWITCH ASSEMBLY)


    1. Disconnect the B22 ECM connector.

    2. Disconnect the A92 engine stop and start ECU connector.

    3. Disconnect the B100 park/neutral position switch connector.

    4. Disconnect the F13 ignition switch assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      B22-63 (NSW) - F13-7 (ST2) Always Below 1 Ω
      B22-63 (NSW) - B100-4 (B) Always Below 1 Ω
      B22-63 (NSW) - A92-28 (CLL) Always Below 1 Ω
      B22-63 (NSW), F13-7 (ST2), B100-4 (B) or A92-28 (CLL) - Body ground Always 10 kΩ or higher

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  6. READ VALUE USING INTELLIGENT TESTER (STARTER SIGNAL)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the tester on.

    4. Enter the following menus: Powertrain / Engine and ECT / Data List / Starter Signal.

    5. Read the value displayed on the tester when the ignition switch is turned to the ON and START positions.

      OK
      Ignition Switch Position Starter Signal
      ON OFF
      START ON

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR (ECM - ST NO. 2 RELAY)

  7. CHECK WHETHER ENGINE STARTS


    1. Check if the engine can be cranked.

      Result
      Result Proceed to
      Engine cannot be cranked A
      Engine can be cranked B

    B

    READ VALUE USING INTELLIGENT TESTER (STARTER SIGNAL) Click here

    A

  8. READ VALUE USING INTELLIGENT TESTER (STARTER SIGNAL)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the tester on.

    4. Enter the following menus: Powertrain / Engine and ECT / Data List / Starter Signal.

    5. Read the value displayed on the tester when the ignition switch is turned to the ON and START positions.

      OK
      Ignition Switch Position Starter Signal
      ON OFF
      START ON

    NG

    READ VALUE USING INTELLIGENT TESTER (STARTER SIGNAL) Click here

    OK

  9. CHECK TERMINAL VOLTAGE (POWER SOURCE OF ST RELAY)


    1. A01VLZ6E01
      Text in Illustration
      *1 Engine Room Relay Block
      *2 Relay holder (ST relay)

      Remove the ST relay from the engine room relay block.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      Relay holder 5 - Body ground Always 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - ST RELAY)

    OK

  10. CHECK HARNESS AND CONNECTOR (ST RELAY - BODY GROUND)


    1. Remove the ST relay from the engine room relay block.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Relay holder 1 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  11. CHECK HARNESS AND CONNECTOR (ST RELAY - STARTER ASSEMBLY)


    1. Remove the ST relay from the engine room relay block.

    2. Disconnect the B1 starter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Relay holder 3 - B1-1 Always Below 1 Ω
      Relay holder 3 or B1-1 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  12. CHECK HARNESS AND CONNECTOR (BATTERY - STARTER ASSEMBLY)


    1. Disconnect the cable from the negative (-) battery terminal.

    2. Disconnect the cable from the positive (+) battery terminal.

    3. Disconnect the B53 starter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Positive (+) battery terminal - B53-1 Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  13. CHECK HARNESS AND CONNECTOR (ST RELAY - CLUTCH START SWITCH ASSEMBLY)


    1. Remove the ST relay from the engine room relay block.

    2. Disconnect the A39 clutch start switch assembly connector.

    3. Disconnect the A90 power management control ECU connector.

    4. Disconnect the A92 engine stop and start ECU connector.

    5. Disconnect the A58 ECM connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Relay holder 2 - A39-1 Always 10 kΩ or higher

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  14. READ VALUE USING INTELLIGENT TESTER (STARTER SIGNAL)


    1. Disconnect the A90 power management control ECU connector.

    2. Connect the intelligent tester to the DLC3.

    3. Turn the ignition switch to ON.

    4. Turn the tester on.

    5. Enter the following menus: Powertrain / Engine and ECT / Data List / Starter Signal.

    6. Read the value displayed on the tester when the ignition switch is turned to the ON and START positions.

      OK
      Ignition Switch Position Starter Signal
      ON OFF
      START ON

    NG

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

    OK

  15. CHECK TERMINAL VOLTAGE (POWER SOURCE OF IGNITION SWITCH ASSEMBLY)

    A01VJSIE01
    Text in Illustration
    *a

    Front view of wire harness connector

    (to Ignition Switch Assembly)

    1. Disconnect the ignition switch assembly connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      F13-5 (AM2) - Body ground Always 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR (IGNITION SWITCH - BATTERY)

    OK

  16. CHECK HARNESS AND CONNECTOR (ECM - IGNITION SWITCH ASSEMBLY - ENGINE STOP AND START ECU - CLUTCH START SWITCH ASSEMBLY)


    1. Disconnect the B22 ECM connector

    2. Disconnect the F13 ignition switch assembly connector.

    3. Disconnect the A92 engine stop and start ECU connector.

    4. Disconnect the A39 clutch start switch assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      B22-63 (NSW) - F13-7 (ST2) Always Below 1 Ω
      B22-63 (NSW) - A92-28 (CLL) Always Below 1 Ω
      B22-63 (NSW) - A39-2 Always Below 1 Ω
      B22-63 (NSW), F13-7 (ST2), A92-28 (CLL) or A39-2 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  17. CHECK HARNESS AND CONNECTOR (ECM - ENGINE STOP AND START ECU - POWER MANAGEMENT CONTROL ECU - CLUTCH START SWITCH - ST RELAY)


    1. Disconnect the A58 ECM connector.

    2. Disconnect the A92 engine stop and start ECU connector.

    3. Disconnect the A90 power management control ECU connector.

    4. Disconnect the A39 clutch start switch assembly connector.

    5. Remove the ST relay from the engine room relay block.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A58-22 (STA) - A92-21 (STA) Always Below 1 Ω
      A58-22 (STA) - A90-5 (STA) Always Below 1 Ω
      A58-22 (STA) - A39-1 Always Below 1 Ω
      A58-22 (STA) - Relay holder 2 Always Below 1 Ω
      A58-22 (STA), A92-21 (STA), A90-5 (STA), A39-1 or Relay holder 2 - Body ground Always 10 kΩ or higher

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  18. READ VALUE USING INTELLIGENT TESTER (STARTER SIGNAL)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the tester on.

    4. Enter the following menus: Powertrain / Engine and ECT / Data List / Starter Signal.

    5. Read the value displayed on the tester when the ignition switch is turned to the ON and START positions.

      OK
      Ignition Switch Position Starter Signal
      ON OFF
      START ON

    OK

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

    NG

  19. CHECK HARNESS AND CONNECTOR (ST RELAY - ECM)


    1. Remove the ST relay from the engine room relay block.

    2. Disconnect the A58 ECM connector.

    3. Disconnect the A39 clutch start switch assembly connector.

    4. Disconnect the A90 power management control ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Relay holder 2 - A58-22 (STA) Always Below 1 Ω

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  20. CHECK WHETHER ENGINE CAN BE CRANKED


    1. Check if the engine can be cranked.

      Result
      Result Proceed to
      Engine cannot be cranked A
      Engine can be cranked B

    B

    READ VALUE USING INTELLIGENT TESTER (STARTER SIGNAL) Click here

    A

  21. READ VALUE USING INTELLIGENT TESTER (STARTER SIGNAL)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the tester on.

    4. Enter the following menus: Powertrain / Engine and ECT / Data List / Starter Signal.

    5. Read the value displayed on the tester when the ignition switch is turned to the ON and START positions.

      OK
      Ignition Switch Position Starter Signal
      ON OFF
      START ON

    B

    CHECK TERMINAL VOLTAGE (POWER SOURCE OF ST RELAY) Click here

    A

  22. CHECK TERMINAL VOLTAGE (POWER SOURCE OF IGNITION SWITCH ASSEMBLY)


    1. A01VJSIE01

      Disconnect the ignition switch assembly connector

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      F13-5 (AM2) - Body ground Always 11 to 14 V
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Ignition Switch Assembly)
      Result
      Result Proceed to
      NG (for CVT) A
      NG (for Manual Transaxle) B
      OK C

    B

    CHECK HARNESS AND CONNECTOR (ECM - CLUTCH START SWITCH ASSEMBLY - IGNITION SWITCH ASSEMBLY) Click here

    C

    REPAIR OR REPLACE HARNESS OR CONNECTOR (IGNITION SWITCH ASSEMBLY - BATTERY)

    A

  23. CHECK HARNESS AND CONNECTOR (ECM - PARK/NEUTRAL POSITION SWITCH - IGNITION SWITCH ASSEMBLY)


    1. Disconnect the B22 ECM connector (for LHD).

    2. Disconnect the B23 ECM connector (for RHD).

    3. Disconnect the B100 park/neutral position switch connector.

    4. Disconnect the F13 ignition switch assembly connector.

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

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      B22-63 (NSW) - F13-7 (ST2) Always Below 1 Ω
      B22-63 (NSW) - B100-4 (B) Always Below 1 Ω
      B22-63 (NSW), F13-7 (ST2), or B100-4 (B) - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      B23-63 (NSW) - F13-7 (ST2) Always Below 1 Ω
      B23-63 (NSW) - B100-4 (B) Always Below 1 Ω
      B23-63 (NSW), F13-7 (ST2), or B100-4 (B) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  24. CHECK HARNESS AND CONNECTOR (ECM - PARK/NEUTRAL POSITION SWITCH - ST RELAY - POWER MANAGEMENT CONTROL ECU)


    1. Disconnect the A58 ECM connector.

    2. Disconnect the B100 park/neutral position switch connector.

    3. Remove the ST relay from the engine room relay block.

    4. Disconnect the A52 power management control ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A58-22 (STA) - B100-9 (L) Always Below 1 Ω
      A58-22 (STA) - A52-5 (STA) Always Below 1 Ω
      A58-22 (STA) - Relay holder 2 Always Below 1 Ω
      A58-22 (STA), B100-9 (L), A52-5 (STA) or Relay holder 2 - Body ground Always 10 kΩ or higher

    B

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  25. CHECK POWER MANAGEMENT CONTROL ECU

    A01VGHNE02
    Text in Illustration
    *a

    Front view of wire harness connector

    (to ECM)

    1. Disconnect the ECM connector.

    2. Disconnect the B100 park/neutral position switch connector.

    3. Remove the ST relay from the engine room relay block.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A58-22 (STA) - Body ground Always 10 kΩ or higher

    A

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

    B

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

  26. CHECK HARNESS AND CONNECTOR (ECM - CLUTCH START SWITCH ASSEMBLY - IGNITION SWITCH ASSEMBLY)


    1. Disconnect the B22 ECM connector (for LHD).

    2. Disconnect the B23 ECM connector (for RHD).

    3. Disconnect the A39 clutch start switch assembly connector.

    4. Disconnect the F13 ignition switch assembly connector.

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

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      B22-63 (NSW) - F13-7 (ST2) Always Below 1 Ω
      B22-63 (NSW) - A39-2 Always Below 1 Ω
      B22-63 (NSW), F13-7 (ST2), or A39-2 - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      B23-63 (NSW) - F13-7 (ST2) Always Below 1 Ω
      B23-63 (NSW) - A39-2 Always Below 1 Ω
      B23-63 (NSW), F13-7 (ST2), or A39-2 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  27. CHECK HARNESS AND CONNECTOR (ECM - CLUTCH START SWITCH ASSEMBLY - POWER MANAGEMENT CONTROL ECU - ST RELAY)


    1. Disconnect the A58 ECM connector.

    2. Disconnect the A39 clutch start switch assembly connector.

    3. Disconnect the A52 power management control ECU connector.

    4. Remove the ST relay from the engine room relay block.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A58-22 (STA) - A39-1 Always Below 1 Ω
      A58-22 (STA) - A52-5 (STA) Always Below 1 Ω
      A58-22 (STA) - Relay holder 2 Always Below 1 Ω
      A58-22 (STA), A39-1, A52-5 (STA) or Relay holder 2 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  28. CHECK POWER MANAGEMENT CONTROL ECU

    A01VGHNE02
    Text in Illustration
    *a

    Front view of wire harness connector

    (to ECM)

    1. Disconnect the ECM connector.

    2. Disconnect the A39 clutch start switch assembly connector.

    3. Remove the ST relay from the engine room relay block.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A58-22 (STA) - Body ground Always 10 kΩ or higher

    OK

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

    NG

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

  29. CHECK TERMINAL VOLTAGE (POWER SOURCE OF ST RELAY)


    1. A01VLZ6E01
      Text in Illustration
      *1 Engine Room Relay Block
      *2 Relay holder (ST relay)

      Remove the ST relay from the engine room relay block.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      Relay holder 5 - Body ground Always 11 to 14 V
      Result
      Result Proceed to
      OK (for Manual Transaxle) A
      OK (for CVT) B
      NG C

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR (ST RELAY - BATTERY)

    OK

  30. CHECK HARNESS AND CONNECTOR (ST RELAY - BODY GROUND)


    1. Remove the ST relay from the engine room relay block.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Relay holder 1 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  31. CHECK HARNESS AND CONNECTOR (ST RELAY - STARTER ASSEMBLY)


    1. Remove the ST relay from the engine room relay block.

    2. Disconnect the B1 starter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Relay holder 3 - B1-1 Always Below 1 Ω
      Relay holder 3 or B1-1 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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


    1. Disconnect the cable from the negative (-) battery terminal.

    2. Disconnect the cable from the positive (+) battery terminal.

    3. Disconnect the B53 starter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Positive (+) battery terminal - B53-1 Always Below 1 Ω

    B

    CHECK HARNESS AND CONNECTOR (ST RELAY - CLUTCH START SWITCH ASSEMBLY) Click here

    C

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    A

  33. CHECK HARNESS AND CONNECTOR (ST RELAY - PARK/NEUTRAL POSITION SWITCH)


    1. Remove the ST relay from the engine room relay block.

    2. Disconnect the B100 park/neutral position switch assembly connector.

    3. Disconnect the A52 power management control ECU connector.

    4. Disconnect the A58 ECM connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Relay holder 2 - A39-1 Always 10 kΩ or higher

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  34. CHECK HARNESS AND CONNECTOR (ST RELAY - CLUTCH START SWITCH ASSEMBLY)


    1. Remove the ST relay from the engine room relay block.

    2. Disconnect the A39 clutch start switch assembly connector.

    3. Disconnect the A52 power management control ECU connector.

    4. Disconnect the A58 ECM connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Relay holder 2 - A39-1 Always 10 kΩ or higher

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  35. READ VALUE USING INTELLIGENT TESTER (STARTER SIGNAL)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the tester on.

    4. Enter the following menus: Powertrain / Engine and ECT / Data List / Starter Signal.

    5. Read the value displayed on the tester when the ignition switch is turned to the ON and START positions.

      OK
      Ignition Switch Position Starter Signal
      ON OFF
      START ON
      Result
      Result Proceed to
      OK A
      NG (for CVT) B
      NG (for Manual Transaxle) C

    A

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

    C

    CHECK HARNESS AND CONNECTOR (ST RELAY - ECM) Click here

    B

  36. CHECK HARNESS AND CONNECTOR (ST RELAY - ECM)


    1. Remove the ST relay from the engine room relay block.

    2. Disconnect the A58 ECM connector.

    3. Disconnect the B100 park/neutral position switch assembly connector.

    4. Disconnect the A52 power management control ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Relay holder 2 - A58-22 (STA) Always Below 1 Ω

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  37. CHECK HARNESS AND CONNECTOR (ST RELAY - ECM)


    1. Remove the ST relay from the engine room relay block.

    2. Disconnect the A58 ECM connector.

    3. Disconnect the A39 clutch start switch assembly connector.

    4. Disconnect the A52 power management control ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Relay holder 2 - A58-22 (STA) Always Below 1 Ω

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR