Hybrid Battery System

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PREPARATION BEFORE STARTING OPERATIONS

If other DTC confirmation procedure is performed immediately before this procedure, turn the ignition switch
OFF and wait at least 10 seconds to start the next test.
- GO TO 2.

2. PERFORM DTC CONFIRMATION PROCEDURE

WITH CONSULT
1.Perform work procedure (inspection mode 5). Work Procedure (Inspection Mode 5).
2.Start the engine and wait for 5 seconds or more.
3.Perform "All DTC Reading" with CONSULT.
4.Check if the DTC is detected in "Self Diagnostic Result" of "MOTOR CONTROL".
Is U0100, U0101, U0111 or U0293 detected?
YES- GO TO 3.
NO-1 (When DTC "U0100", "U0101", "U0111" or "U0293" is stored in "MOTOR CONTROL" at the time of receiving.)-GO TO 3.
NO-2 (When repaired after performing the diagnosis procedure. Lost Communication ECM)- INSPECTION END

3. PERFORM CAN DIAGNOSIS

WITH CONSULT
1.Perform "CAN DIAGNOSIS"
2.Check diagnosis result.
- Lost Communication ECM.


Diagnosis Procedure


CAUTION:
- To perform diagnosis, observe the cautions in performing diagnoses. CAN Fundamental.
- To repair harnesses, observe the cautions in repairing harnesses. CAN Fundamental.

1. START INSPECTION

Check for malfunctions (Check "CAN DIAGNOSIS" results).
Are there any current or past malfunctions?
YES- Trouble Diagnosis Flow Chart.
NO- GO TO 2.

2. IDENTIFY MALFUNCTIONING PART

WITH CONSULT
Check "Self Diagnostic Result" of "MOTOR CONTROL".





NOTE:
- *1: If DTC "U0110" is detected by "EV/HEV", check traction motor inverter branch lines first.
- *2: When replacing HPCM, replace battery junction box together with HPCM.
- Because of intermittent malfunction, check malfunctioning parts, based on the intermittent incident. Intermittent Incident.