Fault-Tracing Information

Fault-tracing

Checking the status




- Ignition on.
Deactivate the unloading valve.
Click the VCT2000 symbol to start activation.
When activated the valve must click.
The fault is permanent if the function is faulty.
If the function is correct, this is an indication that the fault was present previously but is not active at the moment, i.e. an intermittent fault.





Continue - Checking the component and wiring

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Checking the component and wiring
Check the connector. Check for contact resistance. Check for oxidation. Check for loose connections.
Check the cables for open circuit, short circuit to ground and short circuit to supply voltage.
Remedy as necessary.
If no fault is found, try a new relief valve.

Other information
- Checking wiring and terminals Checking Wiring and Terminals. Permanent Faults

Continue - Verification

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Verification




Verification

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




- Ignition off.
- Reconnect the connectors, reinstall components etc.
- Ignition on.
Deactivate the unloading valve.
When activated the valve must click.
Click the VCT2000 symbol to start activation.





Is there a clicking sound?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFICATION FAILED - Fault-tracing information

VERIFIED - FAULT FOUND

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Fault-tracing information

Attempt New Test - Checking the component and wiring

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