P2402

P2402

Diagnosis information - Control unit DME (DFI)

Final stage Leakage diagnosis pump

Diagnostic conditions
- Short test Tank tightness perform
or:
- Period since engine was started > 10 Second(s)
- Leakage diagnosis pump activated
- No fault entered for : P1556, P1557, P1558

Possible fault causes
- Vacuum system leaks (See [Information])
- Vacuum pump Faulty
- Short circuit to B+ or open circuit in lines (Power supply or Activation Leakage diagnosis pump)
- Leakage diagnosis pump Faulty

INFORMATION
The system includes includes:
- mechanical Vacuum pump
- Leakage diagnosis pump
- Intake pipe switchover
- Exhaust flap (if present)