Circuit/System Verification

Ignition On.
NOTE: If a crankshaft or camshaft position sensor DTC is set, the Camshaft Position Actuator output control will not function.
Verify DTC P0335, P0336, P0340 and P0341 is not set.
- If any of the DTCs are set
  Refer to Diagnostic Trouble Code (DTC) List - Vehicle for further diagnosis.
- If none of the DTCs are set
Verify the scan tool parameters listed below do not display Malfunction:
- Camshaft Position Actuator Solenoid Valve Control Circuit Open test status
- Camshaft Position Actuator Solenoid Valve Control Circuit High Voltage test status
- Camshaft Position Actuator Solenoid Valve Control Circuit Low Voltage test status
- If Malfunction is displayed
  Refer to Circuit/System Testing .
- If Malfunction is not displayed
Engine idling at normal operating temperature.
Verify the scan tool parameters listed below do not display Malfunction when commanding the appropriate scan tool Camshaft Position Actuator from 0-10° and back to 0° with a scan tool:
- Camshaft Position Actuator Solenoid Valve Control Circuit Open test status
- Camshaft Position Actuator Solenoid Valve Control Circuit High Voltage test status
- Camshaft Position Actuator Solenoid Valve Control Circuit Low Voltage test status
- If Malfunction is displayed
  Refer to Circuit/System Testing .
- If Malfunction is not displayed
Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
Verify the DTC does not set.
- If the DTC sets
  Refer to Circuit/System Testing .
- If the DTC does not set
All OK.