Signal Missing. Permanent Fault

Signal missing. Permanent fault

Checking connector








- Ignition off.
- Check reset valve connector for contact resistance and oxidation according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
- Reinstall components, reconnect connectors etc.
- Ignition on.
- Start the engine.
- Increase engine speed (RPM) on the engine and read off the camshaft timing alterations.
If the camshaft timing changes it means that the cause of the fault has been loose connections in the connector.

Other information









Is the function OK?

Yes - Fault has been remedied

No - Checking component and wiring

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Checking component and wiring
Check reset valve camshaft resistance between #1 and #2, resistance should be approximately 3.7 ohm.
Check the signal cable between engine control module (ECM) #A13 and camshaft reset valve #2 for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Check power supply cable #5 and camshaft reset valve #1 for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Remedy as necessary.

Other information
- To connect the breakout box, see Connecting the breakout box, B5234T9, B5244T7 Connecting The Breakout Box.
- With the ignition on and the camshaft reset valve connector disconnected the voltage at connector #1 should be approximately Ubat and at connector #2 it should be a pulse modulated signal with a peak voltage of approximately Ubat and with a frequency of approximately 250 Hz.
- For information about signals, see Signal specification Signal Specifications.














Continue - Verification

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Verification




Verification

Hint: After carrying out the repair, check that the fault has been remedied.




- Ignition off.
- Reinstall connectors, components etc.
- Ignition on.
- Start the engine.
- Increase engine speed (RPM) on the engine and read off the camshaft timing alterations.









Is the function OK?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFICATION FAILED - Fault-tracing information

VERIFIED - FAULT FOUND

FAULT-TRACING FAILED - No Fault Found

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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 connector

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