Signal Too Low. Permanent Fault

Signal too low. Permanent fault

Checking component and wiring
Check the cable between engine control module (ECM) #B46 and combined instrument panel #4 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:
- For connection of engine control module (ECM) breakout box, see Connecting the breakout box Connecting the Breakout Box.
- To connect the combined instrument panel breakout box, see Connecting the Driver Information Module (DIM) test box Connecting the Driver Information Module (DIM) Test Box
- To access/replace the combined instrument panel, see Driver information module (DIM), replacing Driver Information Module (DIM), Replacing
- For information about signals on 5-cyl, see Signal specification Signal Specification.
- For information about signals on 6-cyl, see Signal specification Signal Specification.
- For information about the combined instrument panel connector, see Driver Information Module (DIM) signal description Signal Specification, Driver Information Module (DIM).





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.
- Start the engine and let it run at idle speed
- Activate the malfunction indicator lamp (MIL)
- Check that the function is OK.





Is function OK?

Yes - Troubleshooting procedure complete

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 component and wiring

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