Signal Too High. Permanent Fault

Signal too high. Permanent fault

Checking the connectors




- Ignition off.
Remedy the connector. Check for contact resistance and oxidation. Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault
Check for any damage.

Hint: Reinstall the connectors, components etc. If the fault cause is not found, do not reinstall the control module before continuing with fault-tracing.

Other information
- To access/replace the central electronic module (CEM): Central electronic module (CEM), replacing Central Electronic Module (CEM), Replacing

Was a fault found?

Yes - Verification

No - Checking the component and wiring

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Checking the component and wiring




- Ignition off.
Check the cable between control module connector terminal #20A and ignition switch connector terminal #50. Check for a short-circuit to supply voltage or an open-circuit.

Other information
- The voltage must be 0 V if the key is in position 0, I or II.
- To access the connector, see: Central electronic module (CEM), replacing Central Electronic Module (CEM), Replacing
- For connecting breakout box to Central Electronic Module (CEM): Connecting the breakout box Connecting the Breakout Box, Central Electronic Module (CEM)
- Signal specification Signal Specification
- Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault













Were any faults found in the cable?

Yes - Verification

No - Replacing a component

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Replacing a component
Test by replacing the ignition switch connector according to: Steering-column lock replacement Steering-Column Lock Replacement

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.
- Turn the ignition key to position I.





Is the voltage OK?

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 the connectors

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