VEHICLE STABILITY CONTROL SYSTEM Brake Warning Light does not Come ON

DESCRIPTION

Refer to brake Warning Light Remains ON Click here.

WIRING DIAGRAM

Refer to brake Warning Light Remains ON Click here.

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK BRAKE WARNING LIGHT


    1. Disconnect the skid control ECU connector.

    2. Turn the ignition switch to ON.

    3. Check that the brake warning light comes on a.

      OK
      The brake warning light comes on.

    NG

    INSPECT IG2 FUSE Click here

    OK

    REPLACE BRAKE ACTUATOR ASSEMBLY Click here

  2. INSPECT IG2 FUSE


    1. A0136G2E02

      Remove the IG2 fuse from the instrument panel junction block.

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

      Standard resistance
      Tester Connection Condition Specified Condition
      IG2 (15 A) fuse Always Below 1 Ω

    NG

    REPLACE IG2 FUSE

    OK

  3. CHECK HARNESS AND CONNECTOR (COMBINATION METER - BATTERY)


    1. Disconnect the instrument panel junction block connector.

    2. Turn the ignition switch to ON.

    3. A013628E01

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

      Standard voltage
      Tester Connection Switch Condition Specified Condition
      3H-9 - Body ground Ignition switch ON 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - COMBINATION METER)


    1. Disconnect the skid control ECU connector and the combination meter connector.

    2. Inspect both the connector case and the terminal for deformation and corrosion.

      OK
      No deformation or corrosion.
    3. A0137L3E03

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

      Standard resistance
      Tester Connection Condition Specified Condition
      A41-12 (EBDW) - A22-15 (EBD) Always Below 1 Ω
      A41-12 (EBDW) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. CHECK HARNESS AND CONNECTOR (COMBINATION METER - BODY GROUND)


    1. Disconnect the instrument panel junction block connector.

    2. A01363XE01

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

      Standard resistance
      Tester Connection Condition Specified Condition
      3K-1 - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here