P0AA2

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.Turn power switch ON and wait a least 10 seconds.
2.Check self-diagnostic result.
Is DTC detected?
YES- Proceed to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK SYSTEM MAIN RLY GROUND CIRCUIT

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





Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace error-detected parts.

2. CHECK SYSTEM MAIN RLY CIRCUIT

Check continuity between Li-ion battery connector terminals.





Is the inspection result normal?
YES- GO TO 3.
NO - Check the relay circuit of Li-ion battery for malfunction. If no malfunction is found, replace battery junction box. Refer to "Exploded view" Service and Repair (without Li-ion battery heater), "Exploded view" Service and Repair (with Li-ion battery heater).

3. CHECK HARNESS

1.Disconnect VCM harness connector.
2.Check the continuity 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 harness or connector.