Inspection Procedure

WARNING: This page is about a different car, the 2003 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

In case of using the hand-held tester, start the inspection from step 1 and in case of not using the hand-held tester, start from step 2.

Check door key lock and unlock switch using hand-held tester.
PREPARATION:

Connect the hand-held tester to DLC 3.

CHECK:

Check that the door key lock and unlock operate in DATA LIST (See PRE-CHECK ).
1. OK : Proceed to next circuit inspection shown on problem symptoms table (See PROBLEM SYMPTOMS TABLE ).
2. No: Go to next step
Check the door key lock and unlock switch (See INSPECTION ).
1. NG : Replace the door key lock and unlock switch.
2. OK : GO TO NEXT STEP
Check wire harness and connector between door key lock and unlock switch and Body ECU (Main) (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE ).
1. NG : Repair or replace wire harness or connector.
2. OK : Proceed to next circuit inspection shown on problem symptoms table (See PROBLEM SYMPTOMS TABLE ).