Inspection Procedure

WARNING: This page is about a different car, the 2005 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

If there is not the hand-held tester, begin with STEP 2.

Check sliding roof control switch operation.
PREPARATION:

Connect the hand-held tester to the DLC3.

CHECK:
1. Enter DATA LIST function of hand-held tester.
2. Check that switch status (ON/OFF) changes on the screen of hand-held tester as the sliding roof control switch of the vehicle is turned.
OK:

The switch status is normal.
1. OK: Replace sliding roof gear assembly with ECU (See PROCEDURE ).
2. NG: Go to Next Step.
Check sliding roof control switch (See INSPECTION ).
1. NG: Replace sliding roof switch.
2. OK: Go to Next Step.
Check wire harness and connectors between sliding roof gear assembly with ECU and overhead J/B assembly (See PROCEDURE ).
1. NG: Repair and replace wire harness or connector.
2. OK: Proceed to next circuit inspection shown on problem symptom table (See PROBLEM SYMPTOMS TABLE ).