Inspection Procedure

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

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

Check the back door unlock detection switch using TOYOTA hand-held tester.
PREPARATION : connect the TOYOTA hand-held tester to the DLC3.

CHECK : check the back door unlock detection switch using DATA LIST.
1. OK : Proceed to next circuit inspection shown on problem symptoms table. See PROBLEM SYMPTOMS .
2. NG : Go to next step.
Check back door unlock detection switch. See BACK DOOR UNLOCK DETECTION SWITCH CIRCUIT .
1. NG : Replace the back door lock motor.
2. OK : Go to next step.
Check wire harness and connector between back door unlock detection switch and back door ECU . See HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS .
1. NG : Repair or replace wire harness or connector.
2. OK : Proceed to next circuit inspection shown on problem symptoms table. See PROBLEM SYMPTOMS .