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: Proceed 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)
- 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 : Intermittent malfunction. Check malfunctioning parts, according to the intermittent Incident. Refer to "INTERMITTENT INCIDENT ".