Inspection Procedure
WARNING: This page is about a different car, the 2003 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If not using the TOYOTA hand-held tester, start from STEP 2.
- Check sliding roof control switch operation.
PREPARATION:
- Connect the TOYOTA hand-held tester to the DLC3.
- Turn ignition switch ON and TOYOTA hand-held tester main switch ON.
- Select the DATA LIST mode on the TOYOTA hand-held tester.
CHECK:
Check that switch status (ON/OFF) changes on the screen of the TOYOTA hand-held tester as the sliding roof control switch of the vehicle is turned.
OK:
The switch status changes in response to the vehicle switch operation.
- NG : Replace sliding roof gear assembly.
- OK : Go To Next Step.
- Check sliding roof control switch or overhead module.
PREPARATION:
Remove overhead module.
CHECK:
Check continuity between terminals when switch operated.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
OK:
TERMINALS CONTINUITYSwitch position Tester connection Specified condition SLIDE OPEN 11 - 1 Continuity SLIDE OFF 11 - 1, 12 - 1 No continuity SLIDE CLOSE 12 - 1 Continuity TILT DOWN 10 - 1 Continuity TILT OFF 9 - 1, 12 - 1 No continuity TILT UP 9 - 1 Continuity PREPARATION:
Remove sliding roof control switch.
CHECK:
Check continuity between terminals when switch operated.
OK:
TERMINALS CONTINUITYSwitch position Tester connection Specified condition SLIDE OPEN 3 - 5 Continuity SLIDE OFF 3 - 4, 3 - 5 No continuity SLIDE CLOSE 3 - 4 Continuity TILT DOWN 2 - 3 Continuity TILT OFF 1 -3, 2 - 3 No continuity TILT UP 1 - 3 Continuity - NG : Replace sliding roof control switch or overhead module.
- OK : Go To Next Step.
- Check for open and short in harness and connectors between sliding roof control ECU and sliding roof control switch or overhead module (See
HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
).
- NG : Repair and replace harness or connector.
- OK Proceed to next circuit inspection shown in PROBLEM SYMPTOMS TABLE .