How To Proceed With Troubleshooting

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

HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
- Use these procedures to troubleshoot the sliding roof system.
- *: Use the 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.
NEXT -- Continue to next step.
3. CHECK LIN COMMUNICATION SYSTEM*
(a) The sliding roof system uses the LIN communication system to communicate. Check that the LIN communication system is functioning normally.

Result





B -- Go to LIN COMMUNICATION SYSTEM
A -- Continue to next step.
4. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
(a) Using the Techstream, check if the CAN communication system is functioning normally.

Result





B -- Go to CAN COMMUNICATION SYSTEM
A -- Continue to next step.
5. PROBLEM SYMPTOMS TABLE

Result





B -- Go to step 7
A -- Continue to next step.
6. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Data List / Active Test Scan Tool Testing and Procedures

(b) Terminals of ECU Pinout Values and Diagnostic Parameters

(c) Operation Check Operation Check

NEXT -- Continue to next step.
7. ADJUST, REPAIR OR REPLACE
NEXT -- Continue to next step.
8. INITIALIZATION
(a) Initialization Initialization

NEXT -- Continue to next step.
9. CONFIRMATION TEST
NEXT -- END