When idling cannot be continued

Connect the M-MDS to the DLC-2 and verify that DTC P2090:00 or P2091:00 is displayed. (See DTC INSPECTION .)
- Perform the DTC inspection. (See P2090:00 [PCM (SKYACTIV-G)] .) (See P2091:00 [PCM (SKYACTIV-G)] .)
Remove the OCV and verify that the spool valve is at maximum advanced position. (Refer to OIL CONTROL VALVE (OCV) REMOVAL/INSTALLATION [SKYACTIV-G 2.0] in service information.)
Connect the OCV connector.
Switch the ignition ON (engine off).
Verify that the spool valve is at the maximum advanced position.
- If the spool valve is stuck in the retard direction, inspect for the following:
  - Short circuit in wiring harnesses or connectors between OCV and PCM
Inspect the hydraulic variable valve timing actuator. (Refer to HYDRAULIC VARIABLE VALVE TIMING ACTUATOR INSPECTION [SKYACTIV-G 2.0] in service information.)