Porsche Workshop Service and Repair Manuals > Cayman (987) F6-2.9L (2009) > Engine, Cooling and Exhaust | Engine | Timing Components | Variable Valve Timing | Variable Valve Timing Actuator Position Sensor | Component Information | Testing and Inspection

Tune-up and Engine Performance Checks > < Variable Valve Timing Actuator Position Sensor|Testing and Inspection|Page 1147

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The monitor runs after coldstart with large valve lift during engine idle and vehicle speed at zero. A second phase of engine idle and vehicle speed at
zero is needed after coldstart. In both phases the position of the camshaft has to be static.

The diagnosis is disabled at:

power stage error of solenoid valves

oil temperature out of limits

Engine, Cooling and Exhaust
Engine
Timing Components
Variable Valve Timing
Variable Valve Timing Actuator Position Sensor / Testing and Inspection
Page 1148

Tune-up and Engine Performance Checks > < Variable Valve Timing Actuator Position Sensor|Testing and Inspection|Page 1147

Porsche Workshop Service and Repair Manuals

Cayman (987) F6-2.9L (2009)

Engine, Cooling and Exhaust Engine Timing Components Variable Valve Timing Variable Valve Timing Actuator Position Sensor / Testing and Inspection Page 1148

Engine, Cooling and Exhaust Engine Timing Components Variable Valve Timing Variable Valve Timing Actuator Position Sensor / Testing and Inspection Page 1148

Engine, Cooling and Exhaust
Engine
Timing Components
Variable Valve Timing
Variable Valve Timing Actuator Position Sensor / Testing and Inspection
Page 1148

Engine, Cooling and Exhaust
Engine
Timing Components
Variable Valve Timing
Variable Valve Timing Actuator Position Sensor / Testing and Inspection
Page 1148