P0077

P0077

Diagnostic information - DME (DFI)

Intake Valve Control Solenoid Circuit Low (Bank 1)

Diagnostic conditions
- Idle speed more than 10 Second(s)
- then, Increase engine rpm until the large valve lift has been switched. (See Actual value A220)

Possible fault causes
- Loose contact or corrosion on connectors or lines
- Short circuit to B+/ground/mutual short circuit or open circuit in the lines
- Solenoid hydraulic valve for valve lift control on bank 1 faulty