Inspection Procedure

WARNING: This page is about a different car, the 2002 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Start the inspection from step 1 in case of using the hand-held tester and start from step 2 in case of not using the hand-held tester.

Check output value of the deceleration sensor.
Preparation:
1. Connect the hand-held tester to the DLC3.
2. Turn the ignition switch ON and push the hand-held tester main switch ON.
3. Select the DATALIST mode on the hand-held tester.
Check: that the deceleration value of the deceleration sensor displayed on the hand-held tester is changing when tilting the vehicle.

OK: Deceleration value must be changing.

OK: Check and replace ABS & BA & TRAC & VSC ECU.

If NG , go to step 2.
Check deceleration sensor . See Step 4 - DECELERATION SENSOR CHECK .
NG: Replace deceleration sensor.

If OK , go to step 3.
Check for open or short circuit in harness and connector between deceleration sensor and ABS & BA & TRAC & VSC ECU . See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE .

NG: Repair or replace harness and connector.

OK: Check and replace ABS & BA & TRAC & VSC ECU.