Inspection Procedure

WARNING: This page is about a different car, the 2004 Lexus GS 430 and 2004 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

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

Check sliding roof control switch operation.
PREPARATION:
1. Connect the hand-held tester to the DLC3.
2. Turn ignition switch ON and hand-held tester main switch ON.
3. Select the DATALIST mode on the hand-held tester.
CHECK:

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 changes in the same way as the vehicle switch operation.
1. NG: Replace sliding roof gear assembly.
2. OK: Go to Next Step
Check sliding roof control switch.
PREPARATION:

Remove sliding roof control switch.

CHECK:

Check continuity between terminals when switch operated.

OK:

Fig 1: Switch Position Specification
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Checking Continuity Between Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: Replace sliding roof control switch.
2. OK: Go to Next Step
Check for open and short in harness and connectors between sliding roof gear assembly and sliding roof control switch (See O/D DIRECT CLUTCH SPEED SENSOR ).
1. NG: Repair and replace harness or connector.
2. OK: Go to next step.
  Proceed to next circuit Inspection shown in problem symptoms table (See PROBLEM SYMPTOMS TABLE ).