ANTI-LOCK BRAKE SYSTEM Brake Warning Light does not Come ON

WIRING DIAGRAM

Refer to Brake Warning Light Remains ON Click here.

INSPECTION PROCEDURE

PROCEDURE

1. CHECK BRAKE WARNING LIGHT

   
   

   1. Disconnect the skid control ECU connector.

   2. Turn the ignition switch to the ON position.

   3. Check that the brake warning light comes on.

      OK
      The brake warning light 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

   CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - COMBINATION METER) Click here

   OK

   REPLACE SKID CONTROL ECU

2. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - COMBINATION METER)

   
   

   1. 

      Turn the ignition switch off.

   2. Disconnect the combination meter connector.

   3. Measure the resistance according to the value(s) in the table below.

      Standard resistance
      Tester Connection Condition Specified Condition S13-14 (BRL) - C5-19 (PKBI) Always Below 1 Ω S13-14 (BRL) - Body ground Always 10 kΩ or higher

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

3. INSPECT COMBINATION METER ASSEMBLY

   
   

   1. Reconnect the skid control ECU connector and the combination meter connector.

   2. Check the combination meter.

      OK
      The combination meter is normal.

      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 Click here.

   
   

   NG

   REPLACE COMBINATION METER ASSEMBLY

   OK

   REPLACE SKID CONTROL ECU