Signal Missing. Permanent Fault

Signal missing. Permanent fault

Checking wiring and connectors




- Ignition off
- Check the connector on the camshaft reset valve for contact resistance and oxidation. See Checking wiring and terminals. Permanent fault Checking Wiring And Terminals. Permanent Fault
- Check the resistance of the camshaft reset valve between terminals #1 and #2. The resistance should be approximately 7 ohmsat 25°C
- Check the signal cable between engine control module (ECM) terminal #62 and camshaft reset valve terminal #2. Check for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring And Terminals. Permanent Fault
- Check the power supply cable between system relay terminal #5 (87) and camshaft reset valve terminal #1 for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring And Terminals. Permanent Fault.

Other information
- To connect the breakout box, see Connecting the breakout box. EMS 2000 Connecting The Breakout Box. EMS 2000
- To access and replace the camshaft reset valve, see Replacing the variable valve timing (VVT) control valve Replacing Variable Valve Timing (VVT) Control Valve
- For information about signals see Signal specification EMS2000.













Select Continue when the fault has been remedied

Continue - Verification

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Verification




Verification

Verification




- After carrying out the repair check that the fault has been remedied.
- Restore components and connectors.
- Start the engine. Allow the engine to idle.




- Activate reading out of the engine temperature by clicking on the symbol for VCT2000.
- Check that the engine temperature is above 50 °C.

Select Continue when the temperature is above 50 °C.

Continue - Verifying, continued

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Verifying, continued




- Rev the engine to 4,000 rpm a couple of times.
- Check if the trouble code's status has changed to intermittent. If the trouble code's status has changed to intermittent, the problem is solved.





Is the status of the diagnostic trouble code (DTC) 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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Attempt New Test - Checking wiring and connectors

FAULT-TRACING FAILED - No Fault Found

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