ELECTRONICALLY CONTROLLED BRAKE SYSTEM Slip Indicator Light does not Come ON

DTC Code DTC Name
Slip Indicator Light does not Come ON

DESCRIPTION

The skid control ECU (brake booster with master cylinder assembly) is connected to the combination meter assembly via CAN communication.

CAUTION / NOTICE / HINT

Note:

When replacing the skid control ECU (brake booster with master cylinder assembly), perform initialization and calibration of the linear solenoid valve.

Click here

PROCEDURE

  1. CHECK CAN COMMUNICATION SYSTEM

    1. Check if CAN communication system DTCs are output.

      for LHD:Click hereClick hereClick here

      for RHD:Click hereClick hereClick here

    Result

    Result

    Proceed to

    DTCs are not output.

    A

    DTCs are output.

    B

    B

    INSPECT CAN COMMUNICATION SYSTEM

    for LHD:Click here

    for RHD:Click here

    A
  2. PERFORM ACTIVE TEST USING GTS (SLIP INDICATOR LIGHT)

    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Select the Active Test on the GTS.

      Click here

      Chassis > ABS/VSC/TRC > Active Test

      Tester Display

      Measurement Item

      Control Range

      Diagnostic Note

      Slip Indicator Light

      Slip indicator light

      Indicator light ON/OFF

      Observe combination meter assembly

    4. Select the Data List on the GTS.

      Click here

      Chassis > ABS/VSC/TRC > Data List

      Tester Display

      Measurement Item

      Range

      Normal Condition

      Diagnostic Note

      Slip Indicator Light

      Slip indicator light

      ON or OFF

      ON: Indicator light on

      OFF: Indicator light off

      -

      Chassis > ABS/VSC/TRC > Active Test

      Active Test Display

      Slip Indicator Light

      Data List Display

      Slip Indicator Light

    5. Check the operating condition of the slip indicator light when operating it using the GTS.

      Result

      Result

      Proceed to

      Slip indicator light in the Data List does not change using the Active Test.

      A

      Slip indicator light in the Data List turns ON/OFF using the Active Test.

      B

    A

    REPLACE BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY

    for LHD:Click here

    for RHD:Click here

    B
  3. INSPECT COMBINATION METER ASSEMBLY

    1. Turn the power switch off.

    2. Perform the Active Test of the combination meter assembly (meter CPU) using the GTS.

      Click here

      Body Electrical > Combination Meter > Active Test

      Tester Display

      Indicat. Lamp Slip

    3. Check the combination meter assembly.

      OK

      The slip indicator light turns on or off in accordance with the GTS operation.

    Result

    Proceed to

    OK

    NG

    OK

    REPLACE BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY

    for LHD:Click here

    for RHD:Click here

    NG

    INSPECT METER / GAUGE SYSTEM