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Inspection Procedure: Procedure

WARNING: This page is about a different car, the 2011 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR SHORT IN CAN BUS WIRES (DLC3 BRANCH WIRE) 
    1. Turn the ignition switch off.
      Fig 1: Checking For Short In Can Bus Wires (DLC3 Branch Wire)
      GTY290684Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *A for TMC Made
      *B except TMC Made
      *a Rear view of wire harness connector
      (to CAN No. 1 Junction Connector)
    2. Disconnect the CAN No. 1 junction connector.
    3. Measure the resistance according to the value(s) in the table below.
      Fig 2: E11 Connector Terminal Identification
      GTY291891Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 DLC3

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      E11-6 (CANH) - E11-14 (CANL) Ignition switch off 1 MΩ or higher

    NG → REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO DLC3 

    OK: Go to next step 

  2. CHECK FOR SHORT IN CAN BUS WIRES (CAN NO. 2 JUNCTION CONNECTOR) 
    1. Reconnect the CAN No. 1 junction connector.
    2. Disconnect the CAN No. 2 junction connector.
    3. Measure the resistance according to the value(s) in the table below.
      Fig 3: E11 Connector Terminal Identification
      GTY291891Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 DLC3

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      E11-6 (CANH) - E11-14 (CANL) Ignition switch off 108 to 132 Ω

    NG → See step   11 

    OK: Go to next step 

  3. CHECK FOR SHORT IN CAN BUS WIRES (ECM MAIN WIRE) 
    1. Measure the resistance according to the value(s) in the table below.
      Fig 4: ECM Main Wire A48 Connector Terminal Identification
      GTY291618Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to CAN No. 2 Junction Connector)

      HINT: 

      The resistance must be measured after the CAN No. 2 junction connector is disconnected.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      A48-2 (CANH) - A48-4 (CANL) Ignition switch off 108 to 132 Ω

    NG → See step   8 

    OK: Go to next step 

  4. CHECK FOR SHORT IN CAN BUS WIRES (CAN NO. 2 JUNCTION CONNECTOR - SKID CONTROL ECU) 
    1. Disconnect the skid control ECU connector.
      Fig 5: Checking For Short To B+ In CAN BUS Wire (CAN No. 2 Junction Connector - Skid Control ECU)
      GTY293510Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *A w/o VSC
      *B w/ VSC
      *a Front view of wire harness connector
      (to Skid Control ECU with Actuator)
    2. Measure the resistance according to the value(s) in the table below.
      Fig 6: A48 Connector Terminal Identification
      GTY293262Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to CAN No. 2 Junction Connector)

      HINT: 

      The resistance must be measured after the skid control ECU connector and CAN No. 2 junction connector are disconnected.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      A48-1 (CANH) - A48-3 (CANL) Ignition switch off 1 MΩ or higher

    NG → REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 2 JUNCTION CONNECTOR - SKID CONTROL ECU) 

    OK: Go to next step 

  5. CHECK FOR SHORT IN CAN BUS WIRES (SKID CONTROL ECU) 
    1. Reconnect the CAN No. 2 junction connector.
    2. Measure the resistance according to the value(s) in the table below.
      Fig 7: E11 Connector Terminal Identification
      GTY291891Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 DLC3

      HINT: 

      The resistance must be measured after the skid control ECU connector is disconnected.

      The resistance must be measured after the CAN No. 1 and CAN No. 2 junction connectors are reconnected.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      E11-6 (CANH) - E11-14 (CANL) Ignition switch off 54 Ω or higher

      Result

      Result Proceed to
      OK (w/o VSC) A
      OK (w/ VSC) B
      NG C

    C → REPLACE JUNCTION CONNECTOR (CAN No. 2) 

    B → See step   7 

    A → See step   6 

  6. REPLACE BRAKE ACTUATOR ASSEMBLY. Refer to  REMOVAL 
  7. REPLACE BRAKE ACTUATOR ASSEMBLY. Refer to  REMOVAL 
  8. CHECK FOR SHORT IN CAN BUS WIRES (CAN NO. 2 JUNCTION CONNECTOR - ECM MAIN WIRE) 
    1. Disconnect the ECM connector.
      Fig 8: ECM A50 Connector End View
      GTY292001Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to ECM)
    2. Measure the resistance according to the value(s) in the table below.
      Fig 9: A48 Connector Terminal Identification
      GTY291618Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to CAN No. 2 Junction Connector)

      HINT: 

      The resistance must be measured after the ECM connector and CAN No. 2 junction connector are disconnected.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      A48-2 (CANH) - A48-4 (CANL) Ignition switch off 1 MΩ or higher

      Result

      Result Proceed to
      OK (for 2ZR-FE) A
      OK (for 2AZ-FE) B
      NG C

    C → REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (CAN NO. 2 JUNCTION CONNECTOR - ECM) 

    B → See step   10 

    A → See step   9 

  9. REPLACE ECM. Refer to  REMOVAL 
  10. REPLACE ECM. Refer to  REMOVAL 
  11. CHECK FOR SHORT IN CAN BUS WIRES (CAN NO. 1 JUNCTION CONNECTOR - CAN NO. 2 JUNCTION CONNECTOR) 
    1. TMC made:
      1. Disconnect the CAN No. 1 junction connector.
        Fig 10: CAN No. 1 Junction - CAN No. 2 Junction Connectors Terminals Identification
        GTY291280Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Front view of wire harness connector
        (to CAN No. 1 Junction Connector)
      2. Measure the resistance according to the value(s) in the table below.

        HINT: 

        The resistance must be measured after the CAN No. 2 junction connector is disconnected.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        E58-10 (CANH) - E58-21 (CANL) Ignition switch off 1 MΩ or higher
    2. Except TMC made:
      1. Disconnect the CAN No. 1 junction connector.
        Fig 11: CAN No. 1 Junction Connector Terminal Identification
        GTY290844Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Front view of wire harness connector
        (to CAN No. 1 Junction Connector)
      2. Measure the resistance according to the value(s) in the table below.

        HINT: 

        The resistance must be measured after the CAN No. 2 junction connector is disconnected.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        E71-6 (CANH) - E71-17 (CANL) Ignition switch off 1 MΩ or higher

    NG → REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (CAN NO. 1 JUNCTION CONNECTOR - CAN NO. 2 JUNCTION CONNECTOR) 

    OK: Go to next step 

  12. CHECK FOR SHORT IN CAN BUS WIRES (CAN NO. 1 JUNCTION CONNECTOR - COMBINATION METER) 
    1. TMC made:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 12: E58 Connector Terminal Identification
        GTY290460Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Front view of wire harness connector
        (to CAN No. 1 Junction Connector)

        HINT: 

        The resistance must be measured after the CAN No. 1 junction connector is disconnected.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        E58-2 (CANH) - E58-13 (CANL) Ignition switch off 108 to 132 Ω
    2. Except TMC made:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 13: E71 Connector Terminal Identification
        GTY294207Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Front view of wire harness connector
        (to CAN No. 1 Junction Connector)

        HINT: 

        The resistance must be measured after the CAN No. 1 junction connector is disconnected.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        E71-4 (CANH) - E71-15 (CANL) Ignition switch off 108 to 132 Ω

    NG → See step   32 

    OK: Go to next step 

  13. CHECK FOR SHORT IN CAN BUS WIRES (CAN NO. 1 JUNCTION CONNECTOR - STEERING ANGLE SENSOR) 
    1. Disconnect the steering angle sensor connector.
      Fig 14: Can No. 1 Junction Connector End View (Steering Angle Sensor)
      GTY293523Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Rear view of wire harness connector
      (to Steering Angle Sensor)
    2. TMC made:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 15: E58 Connector Terminal Identification
        GTY291281Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Front view of wire harness connector
        (to CAN No. 1 Junction Connector)

        HINT: 

        The resistance must be measured after the steering angle sensor connector and CAN No. 1 junction connector are disconnected.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        E58-5 (CANH) - E58-16 (CANL) Ignition switch off 1 MΩ or higher
    3. Except TMC made:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 16: E71 Connector Terminal Identification
        GTY290843Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Front view of wire harness connector
        (to CAN No. 1 Junction Connector)

        HINT: 

        The resistance must be measured after the CAN No. 1 junction connector is disconnected.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        E71-8 (CANH) - E71-19 (CANL) Ignition switch off 1 MΩ or higher

    NG → REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 1 JUNCTION CONNECTOR - STEERING ANGLE SENSOR) 

    OK: Go to next step 

  14. CHECK FOR SHORT IN CAN BUS WIRES (CAN NO. 1 JUNCTION CONNECTOR - POWER STEERING ECU) 
    1. Disconnect the power steering ECU connector.
      Fig 17: CAN No. 1 Junction Connector End Views (Power Steering ECU)
      GTY291174Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to Power Steering ECU)
    2. TMC made:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 18: E58 Connector Terminal Identification
        GTY291283Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Front view of wire harness connector
        (to CAN No. 1 Junction Connector)

        HINT: 

        The resistance must be measured after the power steering ECU connector and CAN No. 1 junction connector are disconnected.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        E58-3 (CANH) - E58-14 (CANL) Ignition switch off 1 MΩ or higher
    3. Except TMC made:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 19: E71 Connector Terminal Identification
        GTY290846Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Front view of wire harness connector
        (to CAN No. 1 Junction Connector)

        HINT: 

        The resistance must be measured after the CAN No. 1 junction connector is disconnected.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        E71-3 (CANH) - E71-14 (CANL) Ignition switch off 1 MΩ or higher

    NG → REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 1 JUNCTION CONNECTOR - POWER STEERING ECU) 

    OK: Go to next step 

  15. CHECK FOR SHORT IN CAN BUS WIRES (CAN NO. 1 JUNCTION CONNECTOR - CENTER AIRBAG SENSOR ASSEMBLY) 
    1. Disconnect the center airbag sensor assembly connector.
      Fig 20: Identifying CAN No. 1 Junction Connector - Center Airbag Sensor Assembly
      GTY289988Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Rear view of wire harness connector
      (to Center Airbag Sensor Assembly)
    2. TMC made:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 21: E58 Connector Terminal Identification
        GTY291282Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Front view of wire harness connector
        (to CAN No. 1 Junction Connector)

        HINT: 

        The resistance must be measured after the center airbag sensor assembly connector and CAN No. 1 junction connector are disconnected.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        E58-9 (CANH) - E58-20 (CANL) Ignition switch off 1 MΩ or higher
    3. Except TMC made:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 22: E71 Connector Terminal Identification
        GTY290847Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Front view of wire harness connector
        (to CAN No. 1 Junction Connector)

        HINT: 

        The resistance must be measured after the CAN No. 1 junction connector is disconnected.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        E71-5 (CANH) - E71-16 (CANL) Ignition switch off 1 MΩ or higher

    NG → REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 1 JUNCTION CONNECTOR - CENTER AIRBAG SENSOR ASSEMBLY) 

    OK: Go to next step 

  16. CHECK FOR SHORT IN CAN BUS WIRES (CAN NO. 1 JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER) 
    1. Disconnect the air conditioning amplifier connector.
      Fig 23: Identifying CAN No. 1 Junction Connector - Air Conditioning Amplifier
      GTY292893Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *A Auto Air Conditioning
      *B Manual Air Conditioning, TMC made
      *C Manual Air Conditioning, except TMC made
      *a Front view of wire harness connector
      (to Air Conditioning Amplifier)
    2. TMC made:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 24: E58 Connector Terminal Identification
        GTY291277Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Front view of wire harness connector
        (to CAN No. 1 Junction Connector)

        HINT: 

        The resistance must be measured after the air conditioning amplifier connector and CAN No. 1 junction connector are disconnected.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        E58-4 (CANH) - E58-15 (CANL) Ignition switch off 1 MΩ or higher
    3. Except TMC made:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 25: E71 Connector Terminal Identification
        GTY293676Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Front view of wire harness connector
        (to CAN No. 1 Junction Connector)

        HINT: 

        The resistance must be measured after the CAN No. 1 junction connector is disconnected.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        E71-7 (CANH) - E71-18 (CANL) Ignition switch off 1 MΩ or higher

    NG → REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 1 JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER) 

    OK: Go to next step 

  17. CHECK FOR SHORT IN CAN BUS WIRES (CAN NO. 1 JUNCTION CONNECTOR - MAIN BODY ECU) 
    1. Disconnect the main body ECU connector.
      Fig 26: Identifying CAN No. 1 Junction Connector - Main Body ECU
      GTY293086Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *A w/ Smart Key System or Automatic Light Control System
      *B w/o Smart Key System or Automatic Light Control System
      *a Rear view of wire harness connector
      (to Main Body ECU)
    2. TMC made:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 27: E58 Connector Terminal Identification
        GTY291275Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Front view of wire harness connector
        (to CAN No. 1 Junction Connector)

        HINT: 

        The resistance must be measured after the main body ECU connector and CAN No. 1 junction connector are disconnected.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        E58-8 (CANH) - E58-19 (CANL) Ignition switch off 1 MΩ or higher
    3. Except TMC made:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 28: E71 Connector Terminal Identification
        GTY290849Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Front view of wire harness connector
        (to CAN No. 1 Junction Connector)

        HINT: 

        The resistance must be measured after the CAN No. 1 junction connector is disconnected.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        E71-1 (CANH) - E71-12 (CANL) Ignition switch off 1 MΩ or higher

    NG → REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 1 JUNCTION CONNECTOR - MAIN BODY ECU) 

    OK: Go to next step 

  18. CHECK FOR SHORT IN CAN BUS WIRES (CAN NO. 1 JUNCTION CONNECTOR - YAW RATE SENSOR) 
    1. Disconnect the yaw rate sensor connector.
      Fig 29: CAN No. 1 Junction Connector End View (Yaw Rate Sensor)
      GTY293486Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to Yaw Rate Sensor)
    2. TMC made:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 30: E58 Connector Terminal Identification
        GTY291276Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Front view of wire harness connector
        (to CAN No. 1 Junction Connector)

        HINT: 

        The resistance must be measured after the yaw rate sensor connector and CAN No. 1 junction connector are disconnected.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        E58-6 (CANH) - E58-17 (CANL) Ignition switch off 1 MΩ or higher
    3. Except TMC made:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 31: E71 Connector Terminal Identification
        GTY290848Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Front view of wire harness connector
        (to CAN No. 1 Junction Connector)

        HINT: 

        The resistance must be measured after the CAN No. 1 junction connector is disconnected.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        E71-9 (CANH) - E71-20 (CANL) Ignition switch off 1 MΩ or higher

    NG → REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 1 JUNCTION CONNECTOR - YAW RATE SENSOR) 

    OK: Go to next step 

  19. CHECK FOR SHORT IN CAN BUS WIRES (CAN NO. 1 JUNCTION CONNECTOR - ACCESSORY GATEWAY) 
    1. w/ remote engine starter:
      1. Disconnect the accessory gateway connector from the accessory.
        Fig 32: E92 Connector Terminal Identification
        GTY291168Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Rear view of wire harness connector
        (to Accessory Gateway)
    2. TMC made:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 33: E58 Connector Terminal Identification
        GTY291273Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Front view of wire harness connector
        (to CAN No. 1 Junction Connector)

        HINT: 

        The resistance must be measured after the yaw rate sensor connector and CAN No. 1 junction connector are disconnected.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        E58-11 (CAN+) - E58-22 (CAN-) Ignition switch off 1 MΩ or higher
    3. Except TMC made:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 34: E71 Connector Terminal Identification
        GTY293677Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Front view of wire harness connector
        (to CAN No. 1 Junction Connector)

        HINT: 

        The resistance must be measured after the CAN No. 1 junction connector is disconnected.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        E71-11 (CANH) - E71-22 (CANL) Ignition switch off 1 MΩ or higher

      Result

      Result Proceed to
      OK A
      NG B

    B → REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 1 JUNCTION CONNECTOR - ACCESSORY GATEWAY) 

    A: Go to next step 

  20. CHECK FOR SHORT IN CAN BUS WIRES (CAN NO. 1 JUNCTION CONNECTOR) 
    1. Reconnect the CAN No. 1 junction connector and CAN No. 2 junction connector.
    2. Measure the resistance according to the value(s) in the table below.
      Fig 35: E11 Connector Terminal Identification
      GTY291891Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 DLC3

      HINT: 

      • The resistance must be measured after the main wire connected ECUs (ECM and combination meter), and CAN No. 1 and No. 2 junction connectors are reconnected.
      • The resistance must be measured after the all branch wire connected ECUs and sensor connectors are disconnected.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      E11-6 (CANH) - E11-14 (CANL) Ignition switch off 54 Ω or higher

    NG → REPLACE JUNCTION CONNECTOR (CAN No. 1) 

    OK: Go to next step 

  21. CHECK FOR SHORT IN CAN BUS WIRES (STEERING ANGLE SENSOR) 
    1. Reconnect the steering angle sensor connector.
    2. Measure the resistance according to the value(s) in the table below.
      Fig 36: E11 Connector Terminal Identification
      GTY291891Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 DLC3

      HINT: 

      The resistance must be measured after the steering angle sensor, main wire connected ECUs (ECM and combination meter), and CAN No. 1 and No. 2 junction connectors are reconnected.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      E11-6 (CANH) - E11-14 (CANL) Ignition switch off 54 Ω or higher

    NG → See step   28 

    OK: Go to next step 

  22. CHECK FOR SHORT IN CAN BUS WIRES (POWER STEERING ECU) 
    1. Reconnect the power steering ECU connector.
    2. Measure the resistance according to the value(s) in the table below.
      Fig 37: E11 Connector Terminal Identification
      GTY291891Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 DLC3

      HINT: 

      The resistance must be measured after the power steering ECU, main wire connected ECUs (ECM and combination meter), and CAN No. 1 and No. 2 junction connectors are reconnected.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      E11-6 (CANH) - E11-14 (CANL) Ignition switch off 54 Ω or higher

      Result

      Result Proceed to
      OK A
      NG (for 2AZ-FE) B
      NG (for 2ZR-FE) C

    C → See step   34 

    B → See step   29 

    A: Go to next step 

  23. CHECK FOR SHORT IN CAN BUS WIRES (CENTER AIRBAG SENSOR ASSEMBLY) 
    1. Reconnect the center airbag sensor assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      Fig 38: E11 Connector Terminal Identification
      GTY291891Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 DLC3

      HINT: 

      The resistance must be measured after the center airbag sensor assembly, main wire connected ECUs (ECM and combination meter), and CAN No. 1 and No. 2 junction connectors are reconnected.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      E11-6 (CANH) - E11-14 (CANL) Ignition switch off 54 Ω or higher

    NG → See step   30 

    OK: Go to next step 

  24. CHECK FOR SHORT IN CAN BUS WIRES (AIR CONDITIONING AMPLIFIER) 
    1. Reconnect the air conditioning amplifier connector.
    2. Measure the resistance according to the value(s) in the table below.
      Fig 39: E11 Connector Terminal Identification
      GTY291891Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 DLC3

      HINT: 

      The resistance must be measured after the air conditioning amplifier, main wire connected ECUs (ECM and combination meter), and CAN No. 1 and No. 2 junction connectors are reconnected.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      E11-6 (CANH) - E11-14 (CANL) Ignition switch off 54 Ω or higher

    NG → See step   31 

    OK: Go to next step 

  25. CHECK FOR SHORT IN CAN BUS WIRES (ACCESSORY GATEWAY) 

    HINT: 

    For vehicles without the remote engine starter, go to the next step.

    1. Reconnect the accessory gateway connector.
    2. Measure the resistance according to the value(s) in the table below.
      Fig 40: E11 Connector Terminal Identification
      GTY291891Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 DLC3

      HINT: 

      The resistance must be measured after the main body ECU, main wire connected ECUs (ECM and combination meter), and CAN No. 1 and No. 2 junction connectors are reconnected.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      E11-6 (CANH) - E11-14 (CANL) Ignition switch off 54 Ω or higher

    NG → REPLACE THE ACCESSORY 

    OK: Go to next step 

  26. CHECK FOR SHORT IN CAN BUS WIRES (MAIN BODY ECU) 
    1. Reconnect the main body ECU connector.
    2. Measure the resistance according to the value(s) in the table below.
      Fig 41: E11 Connector Terminal Identification
      GTY291891Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 DLC3

      HINT: 

      The resistance must be measured after the main body ECU, main wire connected ECUs (ECM and combination meter), and CAN No. 1 and No. 2 junction connectors are reconnected.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      E11-6 (CANH) - E11-14 (CANL) Ignition switch off 54 Ω or higher

    NG → REPLACE MAIN BODY ECU 

    OK → See step   27 

  27. REPLACE YAW RATE SENSOR. Refer to  REMOVAL 
  28. REPLACE STEERING ANGLE SENSOR. Refer to  REMOVAL 
  29. REPLACE POWER STEERING ECU. Refer to  REMOVAL 
  30. REPLACE CENTER AIRBAG SENSOR ASSEMBLY. Refer to  REMOVAL 
  31. REPLACE AIR CONDITIONING AMPLIFIER. Refer to  REMOVAL 
  32. CHECK FOR SHORT IN CAN BUS WIRES (COMBINATION METER ECU) 
    1. Disconnect the combination meter ECU connector.
      Fig 42: Rear View Of Wire Harness Connector
      GTY290850Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Rear view of wire harness connector
      (to Combination Meter)
    2. TMC made:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 43: E58 Connector Terminal Identification
        GTY290460Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Front view of wire harness connector
        (to CAN No. 1 Junction Connector)

        HINT: 

        The resistance must be measured after the combination meter ECU connector and CAN No. 1 junction connector are disconnected.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        E58-2 (CANH) - E58-13 (CANL) Ignition switch off 1 MΩ or higher
    3. Except TMC made:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 44: E71 Connector Terminal Identification
        GTY294207Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Front view of wire harness connector
        (to CAN No. 1 Junction Connector)

        HINT: 

        The resistance must be measured after the combination meter ECU connector and CAN No. 1 junction connector are disconnected.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        E71-4 (CANH) - E71-15 (CANL) Ignition switch off 1 MΩ or higher

    NG → REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (CAN NO. 1 JUNCTION CONNECTOR - COMBINATION METER) 

    OK → See step   33 

  33. REPLACE COMBINATION METER. Refer to  REMOVAL 
  34. REPLACE POWER STEERING ECU. Refer to  REMOVAL 
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