Faulty Signal

Faulty signal

Checking the connectors and cables








- Ignition off
- Check the connector between the differential electronic module (DEM) and the temperature sensor. Check for contact resistance and oxidation.

Hint: Read off the temperature sensor signal to check the function.

Remedy as necessary.

Other information:
- Signal specification, differential electronic module (DEM) , AW50/51 AWD, M66 AWD Signal Specification, Differential Electronic Module (DEM)
- Temperature and pressure sensor, four-wheel drive clutch Temperature and Pressure Sensor, Four-Wheel Drive Clutch
- Active On-Demand Coupling Module Active On-Demand Coupling Module
- 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.
- Ignition on.
Read off the temperature.
Check that the value is within its permitted range. Compare it to the ambient temperature.





Is the temperature reading OK?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFIED - Fault Found

VERIFICATION FAILED - 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 connectors and cables

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