Brake Warning Light does not Come ON

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

Brake Warning Light does not Come ON

DESCRIPTION

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

WIRING DIAGRAM

Refer to Brake Warning Light Remains ON Brake Warning Light Remains ON.

INSPECTION PROCEDURE

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM
(a) Check if CAN communication system DTCs are output Diagnosis System.

Result





B -- CHECK CAN COMMUNICATION SYSTEM
A -- Continue to next step.
2. CHECK BRAKE WARNING LIGHT
(a) Disconnect the skid control ECU connector.
(b) Turn the ignition switch to ON.
(c) Check that the brake warning light comes on.
OK:
The brake warning light comes on.
NG -- PERFORM ACTIVE TEST USING TECHSTREAM (BRAKE WARNING LIGHT)
OK -- REPLACE BRAKE ACTUATOR ASSEMBLY
3. PERFORM ACTIVE TEST USING TECHSTREAM (BRAKE WARNING LIGHT)
(a) Turn the ignition switch off.
(b) Reconnect the skid control ECU connector.
(c) Connect the Techstream to the DLC3.
(d) Perform Active Test of the combination meter using the Techstream Meter / Gauge System (for Hatchback).
OK:
The brake warning light turns ON or OFF in accordance with the Techstream.
NG -- REPLACE COMBINATION METER ASSEMBLY
OK -- REPLACE BRAKE ACTUATOR ASSEMBLY