Inspection Procedure

WARNING: This page is about a different car, the 2006 Toyota Tundra and 2005 Toyota Tundra. 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 key unlock warning switch using hand-held tester.
PREPARATION:

Connect the hand-held tester to the DLC3.

CHECK:

Check the key unlock warning switch using DATA LIST.
1. OK: Proceed to next circuit inspection shown on PROBLEM SYMPTOMS TABLE .
2. NG: Go to next step
Check key unlock warning switch (See INSPECTION ).
1. NG: Replace key unlock warning switch.
2. OK: Go to next step
Check wire harness and connector between key unlock warning switch and body ECU (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE ).
1. NG: Repair or replace wire harness and connector.
2. OK: Proceed to next circuit inspection shown on PROBLEM SYMPTOMS TABLE .