Operation CHARM: Car repair manuals for everyone.

Signal Missing







Signal missing

Checking for permanent or intermittent faults




- Ignition on.
Press the switch for the power door mirrors to check the function of the power door mirrors in all directions.
Also check that folding in of the rearview mirrors works on vehicles equipped with this function.

Can the power door mirrors be maneuvered?

Yes - Intermittent fault

No - Checking the connectors

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Checking the connectors








- Ignition off
- Check that fuse 11C/35 or 11C/36 in the integrated relay / fusebox in the passenger compartment is intact
- Check the power door mirror connector for contact resistance and oxidation. Remedy.
In particular, check for any damage
- Reinstall the components, reconnect the connectors etc.
- Ignition on.
Press the switch for the power door mirrors to check the function of the power door mirrors in all directions.
Remedy as necessary.

Other information:
- To access the connector for the power door mirror, see Door mirror, replacing Door Mirror, Replacing
- Checking wiring and terminals Checking Wiring And Terminals.





Can the power door mirrors be maneuvered?

Yes - Verification

No - Checking for a short-circuit

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Checking for a short-circuit
Check the cable between the door control module and the power door mirror (as follows). Check for an open-circuit.
Control module terminal #26A and power door mirror terminal #15.
Control module terminal #27A and power door mirror terminal #7.
Control module terminal #28A and power door mirror terminal #16.
Control module terminal #29A and power door mirror terminal #14.
Control module terminal #11B and power door mirror terminal #8.
Remedy as necessary.
Try replacing the door mirror if no fault is found.

Other information:
- To connect the breakout box, see Connecting the breakout box Connecting The Breakout Box, Driver Door Module (DDM) / Passenger Door Module (PDM)
- For further information about signals and other values, see Signal specification Signal Specification, Driver Door Module (DDM) / Passenger Door Module (PDM)
- To access the driver/passenger door module (DDM/PDM), see Driver's door module / passenger door module (DDM/PDM), replacing Driver Door Module (DDM)
- To access the power door mirror, see Door mirror, replacing Door Mirror, Replacing
- Checking wiring and terminals Checking Wiring And Terminals.









Continue - Verification

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Intermittent fault
Check the control module and power door mirror connectors. Check for contact resistance, oxidation and loose connections.
Check the cable between the door control module and the power door mirror (as follows). Check for an intermittent open-circuit.
Control module terminal #26A and power door mirror terminal #15.
Control module terminal #27A and power door mirror terminal #7.
Control module terminal #28A and power door mirror terminal #16.
Control module terminal #29A and power door mirror terminal #14.
Control module terminal #11B and power door mirror terminal #8.
Remedy as necessary.

Other information:
- To connect the breakout box, see Connecting the breakout box Connecting The Breakout Box, Driver Door Module (DDM) / Passenger Door Module (PDM)
- For further information about signals and other values, see Signal specification Signal Specification, Driver Door Module (DDM) / Passenger Door Module (PDM)
- To access the driver/passenger door module (DDM/PDM), see Driver's door module / passenger door module (DDM/PDM), replacing Driver Door Module (DDM)
- To access the power door mirror, see Door mirror, replacing Door Mirror, Replacing
- Door mirror, replacing Door Mirror, Replacing.









Continue - Fault-tracing information

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Verification





Verification

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








- Ignition off
- Reconnect the components, connectors etc.
Operate the door mirror to each limit position using the control. The mirror must move in the corresponding directions.

Is the mirror working?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFIED - FAULT FOUND

VERIFICATION FAILED - Fault-tracing information

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Fault-tracing information

FAULT-TRACING FAILED - No Fault Found

Attempt New Test - Checking for permanent or intermittent faults

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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

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Attempt New Test - Checking for permanent or intermittent faults

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