P31DB

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PRECONDITIONING

- Turn power switch OFF and wait at least 20 seconds.
- Make sure that 12V battery voltage is 11 V or more.
- GO TO 2.

2. PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT
1.Set the vehicle to READY and wait at least 5 seconds.
2.Check DTC.
Is DTC detected?
YES- Proceed to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK SYSTEM MAIN RLY 1 DRIVE CIRCUIT-I

1.Turn power switch OFF.
2.Disconnect Li-ion battery harness connector.
3.Check continuity between Li-ion battery connector terminal and ground.





Is the inspection result normal?
YES- GO TO 2.
NO - Check short circuit between Li-ion battery harness and ground.

2. CHECK SYSTEM MAIN RLY 1 DRIVE CIRCUIT-II

1.Disconnect VCM harness connector.
2.Check harness for short to ground, between VCM harness connector and Li-ion battery harness connector.





Is the inspection result normal?
YES- Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.
NO- Repair or replace error-detected parts.