Intermittent fault: Notes

The control module has previously detected a fault in the leak diagnostic unit but the fault is not active at present.

Check the leak diagnostic unit connectors. Check for contact resistance and oxidation.

Check the hose between the leak diagnostic unit and the EVAP canister. Check for blockages.

Remedy as necessary.

Other information:

For resistance values:
- For 5-cylinder turbocharged engines and 6-cylinder engines 2001, see Component specifications .
- For 5-cylinder turbocharged engines and 6-cylinder engines 2002, see Component specifications .
- For 5 cylinder turbocharged engines and 6 cylinder engines 2003-, see Component specifications .
- For B5254T4 2004-, see Component specifications .
- For 5-cylinder normally aspirated engines 1999-, see Component specifications
To connect the breakout box, see Connecting the breakout box
To access or replace the leak diagnostic unit, see Leak diagnostic pump, replacing
For information about signals:
- For 5 cylinder turbocharged engines -2001, see Signal specification
- For 5 cylinder turbocharged engines 2002, see Signal specification
- For B5254T2 -2004, see Signal description
- For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)
- For B5254T4 2004, see Signal specification (B5254T4 2004)
- For 5 cylinder turbocharged engines 2005-, see Signal specification .
See Checking wiring and terminals .