Inspection Procedure

WARNING: This page is about a different car, the 2006 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: When replacing the master cylinder solenoid, perform zero point calibration (See CALIBRATION ).

INSPECT VSC TRAC WARNING LIGHT
1. Disconnect the skid control ECU connector.
2. Ground terminal VSCW of the skid control ECU.
3. Turn the ignition switch to the ON position.
4. Check that the VSC TRAC warning light comes on.
  OK: VSC TRAC warning light comes on.
NG: Go to step 2

OK: REPLACE MASTER CYLINDER SOLENOID (See OVERHAUL )

CHECK HARNESS AND CONNECTOR (BETWEEN SKID CONTROL ECU AND COMBINATION METER) (See HOW TO PROCEED WITH TROUBLESHOOTING )

Disconnect the combination meter connector.

Measure the resistance according to the value(s) in TERMINALS RESISTANCE SPECIFICATION TABLE .

Standard:

TERMINALS RESISTANCE SPECIFICATION TABLE

Tester Connection	Specified Condition
S28-36 (VSCW) - C10-18	Below 1
S28-36 (VSCW) - Body ground	10 k or higher

Fig 1: Identifying Skid Control ECU Connector & Combination Meter Connector

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

INSPECT COMBINATION METER ASSY
1. Check the combination meter system (See HOW TO PROCEED WITH TROUBLESHOOTING ).
NG: REPLACE COMBINATION METER ASSY (See COMBINATION METER ASSY )

OK: END