3 - Intermittent Fault

Intermittent Fault
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 and the filter for the air intake on the leak diagnostic unit.
Check for blockages.

Remedy as necessary.

Other Information:
- For resistance values, see Component specifications.
- To connect the breakout box, see Scan Tool Connecting.
- To access or replace the leak diagnostic unit, see Leak diagnostic unit, replacing.
- For information about signals, see Diagnostic Parameters and Pinout Values.
- Checking wiring and terminals.

Continue: Refer to Fault-Tracing Information - Intermittent Fault. Fault-Tracing Information - Intermittent Fault