P312F

DTC Logic


DTC DETECTION LOGIC

NOTE:
If DTC P312F is displayed with DTC P0A08, P317A, P3191, P3196, P319C, P31A1, P31A7, or P31AE, perform diagnosis for DTC P0A08, P317A, P3191, P3196, P319C, P31A1, P31A7, or P31AE.






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-I

With CONSULT
1.Check that the charging status indicator is not illuminating, and wait at least 20 seconds.
2.Connect EVSE (with AC power input) and wait at least 60 seconds.
3.Disconnect EVSE and wait at lease 30 seconds.
4.Turn power switch ON.
5.Check DTC.
Is DTC detected?
YES- Proceed to "Diagnosis Procedure" .
NO-1 (with quick charge port)-GO TO 3.
NO-2 (without quick charge port)-INSPECTION END

3. PERFORM DTC CONFIRMATION PROCEDURE-II

With CONSULT
1.Turn power switch OFF.
2.Check that the charging status indicator is not illuminating, and wait at least 20 seconds.
3.Connect quick charge connector.
4.Start quick charging and wait at least 60 seconds.
5.Stop quick charge and wait at lease 30 seconds.
6.Turn power switch ON.
7.Check DTC.
Is DTC detected?
YES- Proceed to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. PERFORM SELF-DIAGNOSIS OF A/C AUTO AMP.

With CONSULT
Perform self-diagnosis of A/C auto amp.
Is DTC detected?
YES- Check the DTC.
NO- GO TO 2.

2. PERFORM SELF-DIAGNOSIS OF ON-BOARD CHARGER

With CONSULT
Perform self-diagnosis of on-board charger.
Is DTC detected?
YES- Check the DTC.
NO- GO TO 3.

3. PERFORM SELF-DIAGNOSIS OF TRACTION MOTOR INVERTER

With CONSULT
Perform self-diagnosis of traction motor inverter.
Is DTC detected?
YES- Check the DTC.
NO- GO TO 4.

4. PERFORM SELF-DIAGNOSIS OF LBC

With CONSULT
Perform self-diagnosis of LBC.
Is DTC detected?
YES- Check the DTC.
NO- GO TO 5.

5. PERFORM DTC CONFIRMATION PROCEDURE AGAIN

With CONSULT
1.Erase DTC.
2.Perform DTC confirmation procedure again. Refer to "DTC Logic" P312E.
Is DTC "P312F" detected again?
YES- Replace VCM. Refer to "Removal and Installation" Removal And Installation.
NO- Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.