Intake Valve Control Solenoid Operation Check

[With Scan Tool]

1. Ignition "ON" & Engine "OFF"
2. Install scantool and select "CVVT VALVE" on the Actuation Test mode
3. Activates "CVVT VALVE" by pressing "STRT (F1)" key (should hear a faint click from intake valve control solenoid)
4. Repeat this procedure 4 or 5 times to ensure intake valve control solenoid reliability

[Without Scan Tool]

1. Ignition "OFF".
2. Remove the intake valve control solenoid from the engine.
3. Visually check the Spool Column of intake valve control solenoid for contamination.
4. Connect 12V and a ground to 2 and 1 of the solenoid (Component side). Verify that spool column move to left as shown in Fig 1.
5. Disconnect 12V and verify that spool column move to original condition.
   Fig 1: Inspecting Intake Valve Control Solenoid Operation

   Courtesy of HYUNDAI MOTOR CO.
6. Has a problem been found?

   YES 

   • Repair or replace as necessary and go to VERIFICATION OF VEHICLE REPAIR  procedure

   NO 

   • Go to next step as below