P1344

P1344

579 Valve Lift Control, Bank 1, Output Stage - Open Circuit

Diagnosis conditions
- Engine running

Possible fault cause
- Open circuit in triggering wire
- Open circuit in B+ supply
- Solenoid hydraulic valve faulty

Affected terminals
III/1

Diagnosis/Troubleshooting

NOTE: The wiring for the solenoid hydraulic valve is routed via the connector X 59/3 pin 4.







579 Valve Lift Control, Bank 1, Output Stage - Below Limit

Diagnosis conditions
- Engine running

Possible fault cause
- Short to ground triggering wire
- Solenoid hydraulic valve faulty

Affected terminals
III/1

Diagnosis/Troubleshooting







579 Valve Lift Control, Bank 1, Output Stage - Above Limit

Diagnosis conditions
- Engine running

Possible fault cause
- Short circuit to B+ triggering wire

Affected terminals
III/1

Diagnosis/Troubleshooting