EV System CAN Communication

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 at least 10 seconds.
2.Check DTC.
Is DTC detected?
YES- Proceed to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK SELF-DIAGNOSTIC RESULT IN VCM

With CONSULT
Check self-diagnostic result in "EV/HEV".
Is any EV system CAN error (U1000 excluded) other than DTC P3197, P319A2, and P31AD detected?
YES- GO TO 2.
NO- GO TO 3.

2. REPLACE VCM

With CONSULT
1.Replace VCM. Refer to "Removal and Installation" Removal And Installation.
2.Perform DTC confirmation procedure again. Refer to "DTC Logic" .
Is DTC P3197, P31A2, or P31AD detected again?
YES- Replace electric shift control module. Refer to "Removal and Installation" Removal And Installation.
NO- INSPECTION END

3. REPLACE ELECTRIC SHIFT CONTROL MODULE

With CONSULT
1.Replace electric shift control module. Refer to "Removal and Installation" Removal And Installation.
2.Perform DTC confirmation procedure again. Refer to "DTC Logic" .
Is DTC P3197, P31A2, or P31AD detected again?
YES- Replace VCM. Refer to "Removal and Installation" Removal And Installation.
NO- INSPECTION END