Diesel Data: Automotive Repair

Brake Warning Light does not Come ON








BRAKE CONTROL: ANTI-LOCK BRAKE SYSTEM (for Sedan): Brake Warning Light does not Come ON

Brake Warning Light does not Come ON

WIRING DIAGRAM

Brake Warning Light Remains ON.

INSPECTION PROCEDURE

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM
(a) Check if the CAN communication system DTC is output Diagnosis System.
Result:






B -- REPAIR CAN COMMUNICATION SYSTEM
A -- Continue to next step.
2. PERFORM ACTIVE TEST USING TECHSTREAM (BRAKE WARNING LIGHT)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the tester on.
(d) Select the following menu items: Body / Combination Meter / Active Test.

ACTIVE TEST: ABS





(e) Check that the BRAKE warning light turns on and off in the combination meter using the Techstream.
OK:
The BRAKE warning light turns ON and OFF in accordance with the Techstream operation.
OK -- REPLACE BRAKE ACTUATOR
NG -- Continue to next step.
3. INSPECT COMBINATION METER
(a) Inspect the combination meter Meter / Gauge System (for Sedan).
NG -- REPLACE COMBINATION METER
OK -- REPLACE BRAKE ACTUATOR