Signal Too High

2004 Volvo S80 L6-2.9L Turbo VIN 91 B6294TSECTION Signal Too High





Signal too high

Checking the status




- Start the engine.
Read off the camshaft position (CMP) sensor fault status. Check the status of the fault when the diagnostic status is COMPLETED. If the fault status is "NO FAULT FOUND" when the diagnostic status is COMPLETE there is an intermittent fault.









Continue - Checking the wiring

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Checking the wiring
Check the signal cable between control module terminal #A27 (#A27) and camshaft position (CMP) sensor connector terminal #2. Check for an open-circuit. Check for a short-circuit to ground.
Check the ground lead between control module terminal #A65 (#A65) and camshaft position (CMP) sensor connector terminal #3. Check for an open-circuit.
Check the power cable between control module terminal #A29 (#A29) and camshaft position (CMP) sensor connector terminal #1. Check for an open-circuit.
Try a new camshaft position (CMP) sensor if no fault is found during the above fault-tracing.

Other information
- To connect the breakout box and access the control module, see Connecting the breakout box, B5254T2 Connecting the Test Box
- For the location of components on 5 cylinder engines, see Location of components Locations
- For the location of components on 6 cylinder normally aspirated engines, see Location of components Locations
- For the location of components on 6 cylinder turbocharged engines, see Location of components Locations
- For information about signals on 5 cylinder engines, see Signal specification Signal Specification
- For information about signals on 6 cylinder engines, see Signal specification Signal Specification
- 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.




- Reinstall the connectors, components etc.
- Start the engine. Rev the engine to approximately 4000 rpm a few times
- Read off the diagnostic status and the fault status for diagnostic trouble code (DTC) ECM-3010.
Check that the fault status is "NO FAULT FOUND" when the diagnostic status is COMPLETED. If the fault status is "FAULT FOUND" when the diagnostic status is COMPLETED there is a fault.





Is the fault status "NO FAULT FOUND"?

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 status

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RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.