Signal Too Low. Permanent Fault

Signal too low. Permanent fault

Checking cables
Check the camshaft reset valve resistance between #1 and #2, resistance should be approximately 3.7 ohms.
Check the signal cable between engine control module (ECM) #A13 and camshaft reset valve #2 for a short-circuit to ground 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 a short-circuit to ground 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, B5254T2 Connecting the Test Box.
- With the ignition on and the camshaft reset valve connector disconnected the voltage on connector #1 should be approximately Ubatt and at connector #2 it should be a pulse modulated signal with a peak voltage of approximately Ubatt and with a frequency of approximately 250 Hz.
- 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.













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 - 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 cables

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