Signal Too Low. Permanent Fault

Signal too low. Permanent fault

Checking the signal cable




- Ignition off.
- Disconnect the 20-pin connector (group A) from the central electronic module (CEM).
- Pull the starter motor relay 2/35 out.
Check the signal cable between central electronic module (CEM) terminal #3A and starter motor relay terminal #1 for a short-circuit to ground according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Remedy as necessary.

Other information:
- Central electronic module (CEM) connector, see Central electronic module (CEM), replacing Central Electronic Module (CEM), Replacing.
- To connect the breakout box, see Connecting the breakout box Connecting the Breakout Box, Central Electronic Module (CEM).
- For information about signals, see Signal specification Pinout Values and Diagnostic Parameters.













Is the signal cable OK?

Yes - Replacing the component

No - Verification

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Replacing the component
Try a new starter motor relay.


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.
- Disconnect the starter motor connector.
- Try to start the engine with the gear lever in any position other than P or N.
- Connect the starter motor connector.
Check that diagnostic trouble code status changes from permanent to intermittent.





Is the diagnostic trouble code status intermittent?

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 - FAULT-TRACING FAILED

No - Attempt New Test

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FAULT-TRACING FAILED - No Fault Found

Attempt New Test - Checking the signal cable

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