Inspection Procedure

WARNING: This page is about a different car, the 2005 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

Check whether zero point calibration of yaw rate sensor has been done or not.
PREPARATION:

Shift the shift lever in the P position and turn the ignition switch ON. Repeat connecting and releasing Ts and E₁ terminals of the DLC 14 times or more for 8 sec. After that do not move the vehicle for 15 sec. or more.

CHECK:

Check that the "VSC TRAC" warning light and "VSC OFF" indicator light up for 15 sec.
1. OK: No problem.
2. NG: Go to next step.
Check for open and short circuit in harness and connector between PNP switch (P position) and skid control ECU and ECM (See HOW TO USE THE DIAGNOSTIC TABLE AND INSPECTION ).
1. NG: Repair or replace harness or connector.
2. OK: Go to next step.
Check for open and short circuit in harness and connector between yaw rate sensor and skid control ECU (See HOW TO USE THE DIAGNOSTIC TABLE AND INSPECTION ).
1. NG: Repair or replace harness or connector.
2. OK: Go to next step.
Check yaw rate sensor (See DTC C1233/33, C01234/34 YAW RATE SENSOR CIRCUIT ).
1. NG: Replace yaw rate sensor.
2. OK: heck and replace skid control ECU.