Signal Too Low

Signal too low

Checking the wiring








- Ignition off
- Disconnect connector C on the central electronic module (CEM).

Check the power cable between the Central Electronic Module (CEM) #C2 (#2) and the fuel filler flap lock motor #A2 with regard to short-circuit to voltage and open circuit.
Also check the connectors on the central electronic module (CEM) and the lock motor fuel tank filler cover for damage.
If no other fault is found, replace the lock motor for the fuel tank filler cover.
Remedy as necessary.

Other information
- Connecting the breakout box Connecting the Breakout Box, Central Electronic Module (CEM)
- Signal specification Signal Description, Central Electronic Module (CEM)
- Control module relay box passenger compartment Service and Repair
- Door latch fuel filler door Service and Repair
- Checking wiring and terminals Checking Wiring and Terminals









Continue - Verification

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Verification




Verification

Hint: After carrying out the repair, check that the fault has been remedied.








- Ignition off
- Reinstall the connectors, components etc.
Check the function for unlocking the fuel tank filler cover. Open the fuel tank filler cover using the button on the light switch.

Can the fuel tank filler cover be opened?

Yes - Troubleshooting procedure complete

No - Fault-tracing information

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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 - Exit Fault-Tracing

No - Attempt New Test

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Attempt New Test - Checking the wiring

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