TIRE PRESSURE WARNING SYSTEM TC and CG Terminal Circuit

DESCRIPTION

DTC output mode is set by connecting terminals 13 (TC) and 4 (CG) of the DLC3. The DTCs are indicated by the blinking of the tire pressure warning light.

WIRING DIAGRAM

A005J8HE02

PROCEDURE


  1. CHECK CAN COMMUNICATION SYSTEM


    1. Check the CAN communication system Click here.

      OK
      The CAN communication system is normal.

    NG

    GO TO CAN COMMUNICATION SYSTEM Click here

    OK

  2. CHECK DTC (C2179/79)


    1. Clear the DTCs Click here.

    2. Turn the ignition switch off.

    3. Turn the ignition switch to ON.

    4. Check for DTCs Click here.

      OK
      DTC C2179/79 is not output.

    NG

    GO TO DTC C2179/79 Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (TC of DLC3 - ECM)


    1. Disconnect the A58*1 or A59*2 ECM connector.


      • *1: for 1NR-FE

      • *2: for 1ND-TV

    2. Disconnect the F4 DLC3 connector.

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

      Standard Resistance
      for 1NR-FE
      Tester Connection Condition Specified Condition
      F4-13 (TC) - A58-23 (TC) Always Below 1 Ω
      Standard Resistance
      for 1ND-TV
      Tester Connection Condition Specified Condition
      F4-13 (TC) - A59-24 (TC) Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK HARNESS AND CONNECTOR (CG of DLC3 - BODY GROUND)


    1. A005GYBE01
      Text in Illustration
      *a Front view of DLC3

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F4-4 (CG) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. INSPECT DLC3 (TC VOLTAGE)


    1. A005GY6E02
      Text in Illustration
      *a Front view of DLC3

      Connect the A58*1 or A59*2 ECM connector.


      • *1: for 1NR-FE

      • *2: for 1ND-TV

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      F4-13 (TC) - F4-4 (CG) Ignition switch ON 11 to 14 V
      Result
      Result Proceed to
      OK A
      NG (for 1NR-FE) B
      NG (for 1ND-TV) C

    A

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

    B

    REPLACE ECM Click here

    C

    REPLACE ECM Click here