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
Refer to Brake Control Warning Light Remains ON Brake Control Warning Light Remains On.
INSPECTION PROCEDURE
NOTICE:
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 Diagnosis System.
Result:
B -- REPAIR CAN COMMUNICATION SYSTEM
A -- Continue to next step.
2. INSPECT MULTIPLEX COMMUNICATION SYSTEM
(a) Check if the multiplex communication system DTC is output Reading and Clearing Diagnostic Trouble Codes.
Result:
B -- REPAIR MULTIPLEX COMMUNICATION SYSTEM
A -- Continue to next step.
3. INSPECT BRAKE CONTROL WARNING LIGHT
(a) Connect the Techstream to the DLC3.
(b) Start the engine.
(c) Select the "ECB* Warning Lamp" and "VSC Warning Lamp" in the Active Test and operate the brake control (Electronically Controlled Brake System/VSC) warning light by the Techstream.
ABS / VSC / TRAC:
*: Electronically Controlled Brake
(d) Check that "ON" and "OFF" of the brake control (Electronically Controlled Brake System/VSC) warning lights are indicated on the combination meter when using the Techstream.
OK:
The brake control (Electronically Controlled Brake System/VSC) warning lights 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.
NG -- INSPECT COMBINATION METER ASSEMBLY
OK -- REPLACE SKID CONTROL ECU
4. INSPECT COMBINATION METER ASSEMBLY
(a) Check the combination meter assembly Problem Symptoms Table.
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