How To Proceed With Troubleshooting

SLIDING ROOF: SLIDING ROOF SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use the following procedures to troubleshoot the sliding roof system.
* *: Use Techstream.

1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

NEXT -- Continue to next step.

3. INSPECT COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (LIN)*

(a) Using Techstream, check if the multiplex communication system is functioning normally.

Result:





B -- Go to LIN COMMUNICATION SYSTEM LIN Communication System
A -- Continue to next step.

4. CHECK FOR DTC*

(a) Delete the DTCs Reading and Clearing Diagnostic Trouble Codes.

(b) Recheck for DTCs Reading and Clearing Diagnostic Trouble Codes.

HINT
If DTCs are detected frequently, replace the ECU.

OK:

DTC is not output.

NG -- Go to DIAGNOSTIC TROUBLE CODE CHART Sliding Roof System
OK -- Continue to next step.

5. PROBLEM SYMPTOMS TABLE

Result:





B -- Go to step 8
A -- Continue to next step.

6. OVERALL ANALYSIS AND TROUBLESHOOTING*

Data List / Active Test Scan Tool Testing and Procedures

Terminals of ECU Pinout Values and Diagnostic Parameters

On-vehicle Inspection Component Tests and General Diagnostics

NEXT -- Continue to next step.

7. ADJUST, REPAIR OR REPLACE

NEXT -- Continue to next step.

8. CONFIRMATION TEST

NEXT -- END