Inspection Procedure

1. Disconnect the skid control ECU (S29) connector.
2. Turn the ignition switch to the ON position.
3. Check that the brake warning light comes on.

OK: 

Brake warning light comes on. 

1. NG: Go to step 2 
2. OK: GO TO NEXT STEP 

   REPLACE MASTER CYLINDER SOLENOID (SEE  OVERHAUL  ) 

1. Check the battery voltage.

Standard: 

Voltage: 11 to 14 V 

1. NG: INSPECT CHARGING SYSTEM ( ON-VEHICLE INSPECTION  ,  ON-VEHICLE INSPECTION  ) 
2. OK: GO TO NEXT STEP 

1. Remove the GAUGE fuse from the driver side J/B.
2. Check the GAUGE fuse.

Standard: 

Below 1 Ω 

1. NG: CHECK FOR SHORT IN ALL HARNESS AND CONNECTOR CONNECTED TO FUSE AND REPLACE FUSE 
2. OK: GO TO NEXT STEP 

1. Install the GAUGE fuse.
2. Disconnect the combination meter connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard: 

   TESTER CONNECTION AND SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   S29-3 (BRL) - C11 -2	Below 1Ω
   S29-3 (BRL) - Body ground	10 kΩ or higher

   Fig 1: Identifying Connectors (Skid Control ECU And Combination Meter)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
2. OK: GO TO NEXT STEP 

1. Reconnect the skid control ECU (S29) connector and combination meter connector.
2. Check if the indicators (shift position, airbag etc.) other than brake warning light operate normally.

   Result: 

   RESULT DESCRIPTION
   
   

   Indicators OK	A
   Indicators NG	B

1. B: GO TO COMBINATION METER SYSTEM (see  HOW TO PROCEED WITH TROUBLESHOOTING  ) 
2. A: GO TO NEXT STEP 

   REPLACE COMBINATION METER ASSY ( COMBINATION METER ASSY  )