Monitor Actuation Test
- Connect scan tool to Data Link Connector (DLC)
- Ignition "ON" & Engine "OFF".
- Select the "Actuation Test" mode on the scan tool.
- Inspect operating status of inlet valve with Actuation Test.
Specification: It's normal if operating sound is heard.
- Does a inlet valve operate normally?
YES
- Fault is intermittent caused by inoperative valve or was repaired and HECU memory was not cleared. Go to the applicable troubleshooting procedure.
NO
- Go to "W/Harness Inspection" procedure.