Inspection Procedure

INSPECT 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:
  
  BRAKE warning light comes on.
  
  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.
NG: Go to step 2

OK: REPLACE BRAKE ACTUATOR ASSEMBLY

CHECK HARNESS AND CONNECTOR (BETWEEN SKID CONTROL ECU AND COMBINATION METER ASSEMBLY)

Turn the ignition switch off.
Disconnect the combination meter connector.

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

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
S3-19 (BRL) - C10-14	Below 1 Ω
S3-19 (BRL) - Body ground	10 kΩ or higher

Fig 1: Identifying Skid Control ECU Connector Terminals

G05139634

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

INSPECT COMBINATION METER ASSEMBLY
1. Check the combination meter assembly (See 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.
NG: REPLACE COMBINATION METER ASSEMBLY

OK: END