Diagnosis Procedure
CAUTION:
- To perform diagnosis, observe "PRECAUTIONS FOR TROUBLE DIAGNOSIS ".
- To repair harness, observe "PRECAUTIONS FOR HARNESS REPAIR ".
- INSPECTION START
Confirm the detected malfunction (result of "CAN Diagnosis").
Is there any malfunction at present or a malfunction history?
YES: Go to "TROUBLE DIAGNOSIS FLOW CHART ".
NO: GO TO 2.
- DETECT THE ROOT CAUSE
With CONSULT
Check DTC of "MOTOR CONTROL".
Detected DTC Root cause DTC U0100, U0101, U0111 and U0293 - HEV system CAN line
(Short circuit or traction motor inverter branch line(1))
ECM
- HPCM
- TCM
- Li-ion battery controller
- Traction motor inverter
DTC U0100 - ECM branch line
- ECM
DTC U0101 - TCM branch line
- TCM
DTC U0111 - Li-ion battery controller branch line
- Li-ion battery controller
DTC U0293 - HPCM branch line
- HPCM and battery junction box
DTC U0101, U0111 and U0293 Main line between traction motor inverter and TCM DTC U0111 and U0293 Main line between HPCM and TCM (1) If "EV/HEV" detects DTC U0110, check the traction motor inverter branch line first. Intermittent malfunction. Check malfunctioning parts, according to the intermittent Incident. Refer to "INTERMITTENT INCIDENT ".
- HEV system CAN line