STEP 4. Check the wiring harness.
(1) Check for in CNTF line between the quick charger connector and the PHEV-ECU connector
(2) Check for ground line between the quick charger connector (terminal No.3) and the body ground.
(3) Check for CH+B line between the quick charger connector and the PHEV-ECU connector.
Is the check result normal?
Check the quick charger. Then go to Step 5 Repair the connector or wiring harness.