2000 Porsche Boxster (986) F6-2.7L A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 8

NOTE: The wiring for the solenoid hydraulic valve is routed via the connector X 59/2 pin 8

Valve lift control, bank 1, output stage - above limit

Diagnosis conditions

- Engine running

Possible fault cause

- Triggering wire short to B+

Affected terminals

III/1

Diagnosis/troubleshooting

NOTE: The wiring for the solenoid hydraulic valve is routed via the connector X 59/2 pin 8

P0028

Valve lift control, bank 2 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/26

Diagnosis/troubleshooting

NOTE: The wiring for the solenoid hydraulic valve is routed via the connector X 59/1 pin 11

PORSCHE