Signal Too High

Signal too high

Checking the wiring




- Ignition off.
Check central electronic module (CEM) connector D and the connector for the immobilizer antenna unit. Check for contact resistance. Check for oxidation. Check for damaged or loose connections.
Check the signal cable. Check for a short-circuit to supply voltage.
Take readings between:
- Central electronic module (CEM) connector terminal #D56 (#56) and immobilizer antenna unit terminal #3.
Remedy as necessary.

Other information
- Connecting the breakout box Connecting The Breakout Box, Central Electronic Module (CEM)
- Signal specification Signal Description, Central Electronic Module (CEM)
- Location of components Locations
- Central electronic module (CEM), replacing Replacing Central Electronic Module (CEM)
- Antenna unit immobilizer, replacing Service and Repair
- 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.
- Try to start the vehicle.

Does the vehicle start?

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 wiring

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