ABS Warning Light Does Not Come ON

BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM (for BOSCH Made): ABS Warning Light does not Come ON
- ABS Warning Light does not Come ON

DESCRIPTION

The skid control ECU is connected to the combination meter assembly via CAN communication.

WIRING DIAGRAM





INSPECTION PROCEDURE

HINT
Check the condition of each related circuit connector before troubleshooting Electronic Circuit Inspection Procedure.

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM

(a) Check if a CAN communication system DTC is output Vehicle Stability Control System (For BOSCH Made).

Result:





B -- INSPECT CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting
A -- Continue to next step.

2. CHECK ABS WARNING LIGHT

(a) Disconnect the skid control ECU connector.

(b) Turn the ignition switch on (IG).

(c) Check that the ABS warning light comes on.

OK:

The ABS warning light comes on.

(d) Connect the connector.

OK -- REPLACE BRAKE ACTUATOR ASSEMBLY
NG -- Continue to next step.

3. INSPECT COMBINATION METER ASSEMBLY

(a) Connect Techstream to the DLC3.

(b) Perform "Active Test" of the combination meter assembly using Techstream Meter / Gauge System.

(c) Check ABS warning light operation.

OK:

The ABS warning light turns on or off in accordance with Techstream.

NG -- REPLACE COMBINATION METER ASSEMBLY Removal

OK -- REPLACE BRAKE ACTUATOR ASSEMBLY