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

Remedy as necessary.

Other Information
- Connecting the breakout box
- Signal specification, engine control module (ECM)
- Component specifications
- Leak diagnostic pump, replacing
- Checking wiring and terminals

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