Signal Too High
Signal too high
Checking for permanent or intermittent faults
- Ignition on.
Check if the lamp in the power door mirror lights up and goes out.
Is the lamp in the power door mirror working?
Yes - Intermittent fault
No - Checking for a short-circuit
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Checking for a short-circuit
If the car is equipped with a 10-pin connector
Check the cable between door control module terminal #8B and power door mirror terminal #6 for a short-circuit to supply voltage according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Replace the cable if a fault is found.
If the car is equipped with a 16-pin connector
Check the cable between door control module terminal #8B and power door mirror terminal #13 for a short-circuit to supply voltage according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Replace the cable if a fault is found.
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 Signal Specification, Driver Door Module (DDM) / Passenger Door Module (PDM).
Were any faults found in the cable?
Yes - Verification
No - Replacing the component
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Replacing the component
Check that there are no short circuits in the bulb holder.
Remedy as necessary.
If no fault is found, replace the lamp in the power door mirror.
Continue - Verification
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Intermittent fault
Check the control module and power door mirror connectors for contact resistance and oxidation according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults , check for loose connections according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
If the car is equipped with a 10-pin connector
Check the cable between door control module terminal #8B and power door mirror terminal #6 for an intermittent short-circuit to supply voltage according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults , check for an intermittent open circuit according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
If the car is equipped with a 16-pin connector
Check the cable between door control module terminal #8B and power door mirror terminal #13 for an intermittent short-circuit to supply voltage according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults , check for an intermittent open circuit according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Check the lamp and bulb holder if no faults were found.
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 Signal Specification, Driver Door Module (DDM) / Passenger Door Module (PDM).
- To access / replace the lamp and bulb holder, Bulb Ground Lighting Door Mirror, Replacing.
Continue - Fault-tracing information
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Verification
Verification
Hint: After the repair it is necessary to check that the fault has been rectified.
- Ignition off.
- Connect the connectors, install the components, etc.
- Ignition on.
Check that electric rear-view mirror lamp comes on.
Does lamp for electric rear-view mirror come on?
Yes - Verification completed
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 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 - Exit fault-tracing
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Attempt New Test - Checking for permanent or intermittent faults
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