STEP 1. Proportional valve check.
STEP 2. Check of open and short to ground circuit in the power supply line (PHEV-ECU and proportional valve).
STEP 3. Check of open circuit in the ground line (proportional valve).
STEP 4. Test the OBD-II drive cycle.
STEP 5. Test the OBD-II drive cycle.
(1) Carry out a test drive with the drive cycle pattern. Refer to Diagnostic Function - OBD-II Drive Cycle - Pattern 1 . (2) Check the DTC.
Is the DTC set?
Retry the troubleshooting. The inspection is complete.