FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

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)
- Door latch fuel filler door Service and Repair
- Checking wiring and terminals Checking Wiring and Terminals









Continue - Verification

-------------------------------------------------

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 - VERIFIED

No - VERIFICATION FAILED

------------------------

VERIFIED - FAULT FOUND

VERIFICATION FAILED - Fault-tracing information

-------------------------------------------------

Fault-tracing information

Attempt New Test - Checking the wiring

-------------------------------------------------