Internal Fault
Internal fault
Checking for permanent or intermittent faults
- Ignition on.
Check that the sun roof can be operated automatically by pressing the switch 2 steps.
Can the sun roof be operated automatically?
Yes - Intermittent fault
No - Checking for open-circuits and short-circuits
-------------------------------------------------
Checking for open-circuits and short-circuits
Check the cable between the sun roof module (SRM) terminal #6A and the upper electronic module (UEM) terminal #8A. Check for an open-circuit.
Replace the cable if a fault is found.
Other information:
- For further information about signals and other values, see Signal specification Signal Specification, Upper Electronic Module (UEM)
- To connect the breakout box, see Connecting the breakout box Connecting the Breakout Box
- To access the sun roof module (SRM) connector, see Sun roof module (SRM), replacing Service and Repair
- Checking wiring and terminals Checking Wiring And Terminals.
Was a fault detected?
Yes - Verification
No - Replacing the component
-------------------------------------------------
Intermittent fault
Check the cable between the sun roof module (SRM) terminal #6A and the upper electronic module (UEM) terminal #8A. Check for an intermittent open-circuit.
Replace the cable if a fault is found.
If no fault was found, try replacing the sun roof module (SRM).
Other information:
- For further information about signals and other values, see Signal specification Signal Specification, Upper Electronic Module (UEM)
- To connect the breakout box, see Connecting the breakout box Connecting the Breakout Box
- To access or replace the sun roof module (SRM) connector, see Sun roof module (SRM), replacing Service and Repair
- Checking wiring and terminals Checking Wiring And Terminals.
Continue - Fault-tracing information
-------------------------------------------------
Replacing the component
- Ignition off.
Replace the sun roof control module according to Sun roof module (SRM), replacing Service and Repair.
Continue - Verification
-------------------------------------------------
Verification
Hint: After carrying out the repair, check that the fault has been remedied.
- Ignition off
- Reinstall the connectors, components etc.
- Ignition on.
Check that the sun roof can be operated automatically by pressing the switch 2 steps.
Can the sun roof be operated automatically?
Yes - Fault Found
No - Fault-tracing information
-------------------------------------------------
Fault-tracing information
Information
Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.
Do you want to exit fault-tracing?
Yes - FAULT-TRACING FAILED
No - Attempt New Test
------------------------
Attempt New Test - Checking for permanent or intermittent faults
FAULT-TRACING FAILED - No Fault Found
-------------------------------------------------
Fault-tracing information
Information
Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).
Do you want to view the information again?
Yes - Attempt New Test
No - Fault Found
------------------------
FAULT FOUND - Fault Found
Attempt New Test - Checking for permanent or intermittent faults
-------------------------------------------------