Signal Too Low

Signal too low

Checking for permanent or intermittent faults




- Ignition on.
Press the switch for the power door mirrors. Move the door mirrors to their limit position.

Can the power door mirrors be maneuvered?

Yes - Intermittent fault

No - Checking for a short-circuit

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Checking for a short-circuit
Check the cable between door control module terminal #27A and power door mirror terminal #7 (both 10 and 16-pin connectors). Check for a short-circuit to ground.
Remedy as necessary.
Replace the cable if a fault is found.
Try a new power door mirror if the cable is OK.

Other information:
- To connect the breakout box, see Connecting the breakout box Connecting the Breakout Box
- For further information about signals and other values, see Signal specification Pinout Values and Diagnostic Parameters
- To access the connector for the power door mirror / replace the power door mirror, see Door mirror, replacing Service and Repair
- Checking wiring and terminals Checking Wiring And Terminals.














Continue - Verification

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Verification




Verification

Verification

Hint: After the repair it is necessary to check that the fault has been rectified.








- Ignition off.
- Connect connectors, install components, etc.
- Ignition on.
Test the rear-view mirror for a few seconds; the mirror should move in opposite directions.

Does the mirror work?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFIED - Fault Found

VERIFICATION FAILED - Fault-tracing information

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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 door control module terminal #27A and power door mirror terminal #7 (both 10 and 16-pin connectors). Check for an intermittent short-circuit to ground.

Other information:
- To connect the breakout box, see Connecting the breakout box Connecting the Breakout Box
- For further information about signals and other values, see Signal specification Pinout Values and Diagnostic Parameters
- To access the connector for the power door mirror / replace the power door mirror, see Door mirror, replacing Service and Repair
- Door mirror, replacing Service and Repair.














Continue - 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 - FAULT-TRACING FAILED

No - Attempt New Test

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Attempt New Test - Checking for permanent or intermittent faults

FAULT-TRACING FAILED - No Fault Found

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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

FAULT FOUND - Fault Found

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