ANTI-LOCK BRAKE SYSTEM 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 Click here.

INSPECTION PROCEDURE

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM

   
   

   1. Check if a CAN communication system DTC is output Click here.

      Result

      Result	Proceed to
      DTC is not output.	A
      DTC is output.	B

   
   

   B

   GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) Click here

   A

2. CHECK BRAKE SYSTEM WARNING LIGHT (RED INDICATOR)

   
   

   1. Disconnect the skid control ECU connector.

   2. Turn the ignition switch to ON.

   3. Check that the brake system warning light (red indicator) comes on.

      OK
      The brake system warning light (red indicator) comes on.

      Tech Tips

      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 Click here.

   
   

   NG

   Click here

   OK

   REPLACE BRAKE ACTUATOR ASSEMBLY Click here

3. INSPECT COMBINATION METER ASSEMBLY

   
   

   1. Perform the Active Test of the combination meter to check the brake system warning light (red indicator) using the intelligent tester Click here.

      OK
      The brake system warning light (red indicator) blinks or turns off in accordance with the intelligent tester operation.

      Tech Tips

      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 Click here.

   
   

   NG

   REPLACE COMBINATION METER ASSEMBLY Click here

   OK

   REPLACE BRAKE ACTUATOR ASSEMBLY Click here