AIR SUSPENSION 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 "HEIGHT HIGH" indicator light.

WIRING DIAGRAM

A01GJ3CE03

INSPECTION PROCEDURE

PROCEDURE


  1. INSPECT DLC3 (TC VOLTAGE)

    A01GIWNE21

    1. Measure the voltage according to the value in the table below.

      Standard voltage
      Tester Connection Switch Condition Specified Condition
      L31-13 (TC) - L31-4 (CG) Engine switch on (IG) 10 to 14 V
      Result
      Result Proceed to
      NG A
      OK B

    B

    PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    A

  2. CHECK HARNESS AND CONNECTOR (DLC3 - ECM AND BODY GROUND)


    1. A01GJABE21

      Disconnect the A13 ECM connector.

    2. Measure the resistance according to the value in the table below.

      Standard resistance
      Tester Connection Switch Condition Specified Condition
      L31-13 (TC) - A13-21 (TC) Always Below 1 Ω
      L31-13 (TC) or A13-21 (TC) - Body ground Always 10 kΩ or higher
      L31-4 (CG) - Body ground Always Below 1 Ω
      Result
      Result Proceed to
      NG A
      OK (1UR-FSE) B
      OK (1UR-FE) C

    B

    REPLACE ECM (1UR-FSE) Click here

    C

    REPLACE ECM (1UR-FE) Click here

    A

    REPAIR OR REPLACE HARNESS OR CONNECTOR