Signal Too High/Signal Missing. Permanent Fault
Signal too high/signal missing. Permanent fault
Checking the relay
- Ignition off.
Check that relay 2/34 is installed correctly. At the same time check the relay connections, in particular 2/34 2, for:
diagnostic trouble code CEM-8C13
short circuit to voltage supply as described in Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
diagnostic trouble code CEM-8C15
open circuit as described in Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Check that relay 2/34 is installed correctly.
Do the necessary corrective action.
Additional information:
- To replace relay, see Central electronic module (CEM), replacing Central Electronic Module (CEM), Replacing
- To connect the test box, see Connecting the breakout box Connecting the Breakout Box, Central Electronic Module (CEM).
Is there a fault?
Yes - Verification
No - Replacing the component
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Replacing the component
Replace relay as described in Central electronic module (CEM), replacing Central Electronic Module (CEM), Replacing.
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 the connectors, install the components, etc.
- Ignition on.
Read front fog lamp relay.
The value will change between activated and not activated if the front fog lamp switch is operated.
Does it work?
Yes - VERIFIED
No - VERIFICATION FAILED
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VERIFIED - Fault Found
VERIFICATION FAILED - Trouble-shooting information
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Trouble-shooting 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 relay
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