Brake Control Warning Light Does Not Come On

BRAKE CONTROL: ELECTRONICALLY CONTROLLED BRAKE SYSTEM: Brake Control Warning Light does not Come ON

Brake Control Warning Light does not Come ON

WIRING DIAGRAM





INSPECTION PROCEDURE
NOTE:
When replacing the skid control ECU, perform initialization of linear solenoid valve and calibration Programming and Relearning.

PROCEDURE

1. INSPECT CAN COMMUNICATION SYSTEM
(a) Check if the CAN communication system DTC is output CAN Communication System.

Result





B -- GO TO CAN COMMUNICATION SYSTEM
A -- Continue to next step.

2. PERFORM ACTIVE TEST USING TECHSTREAM (BRAKE CONTROL WARNING LIGHT)
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Select the ABS/VSC/TRAC "Warning Light" and "VSC Warning Light" in the Active Test and operate the brake control (electronically controlled brake system/VSC) warning light by the Techstream.

ABS/VSC/TRAC





(d) Check that "ON" and "OFF" of the brake (electronically controlled brake system/VSC) warning lights / yellow (minor malfunction) are indicated on the combination meter when using the Techstream.
OK:
The brake (electronically controlled brake system/VSC) warning light / yellow (minor malfunction) turn on or off in accordance with the Techstream.
HINT: If troubleshooting has been carried out according to the PROBLEM SYMPTOMS TABLE, refer back to the table and proceed to the next step before replacing the part Problem Symptoms Table.

OK -- REPLACE SKID CONTROL ECU
NG -- Continue to next step.

3. INSPECT COMBINATION METER ASSEMBLY
(a) Check the combination meter How To Proceed With Troubleshooting.
HINT: If troubleshooting has been carried out according to the "PROBLEM SYMPTOMS TABLE", refer back to the table and proceed to the next step before replacing the part Problem Symptoms Table.

NG -- REPLACE COMBINATION METER ASSEMBLY
OK -- END