DTC P0A79-704: Drive Motor "B" Inverter Performance: Procedure
- CHECK DTC OUTPUT (HV)
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON.
- Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
- Check if DTCs are output.
Result
Result Proceed to P0A79-704 only is output. A Any of the following DTCs are also output. B DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1C (all INF codes)*1 Drive Motor "B" Control Module P0A1D (except for INF code 390)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range / Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A45-669 Drive Motor "B" Position Sensor Circuit P0A46-671 Drive Motor "B" Position Sensor Circuit Range / Performance P0A47-670 Drive Motor "B" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range / Performance P0A4D-255 Generator Position Sensor Circuit Low P0A60 (all INF codes)*1 Drive Motor "A" Phase V Current P0A63 (all INF codes)*1 Drive Motor "A" Phase W Current P0A69 (all INF codes)*1 Drive Motor "B" Phase V Current P0A6C (all INF codes)*1 Drive Motor "B" Phase W Current P0A72 (all INF codes)*1 Generator Phase V Current P0A75 (all INF codes)*1 Generator Phase W Current P0A78-118, 119, 120, 266, 267, 279, 287, 503, 504, 505, 506, 586, 806, 807, 808 Drive Motor "A" Inverter Performance P0A79-693, 694, 695, 812, 813, 814, 703, 716 Drive Motor "B" Inverter Performance P0A7A-325, 517, 518, 809, 810, 811, 522 Generator Inverter Performance P0A94-124, 125, 126, 547, 548, 549, 554, 555, 556, 585, 587, 589, 590 DC / DC Converter Performance P0AA6 (all INF codes)*1 Hybrid Battery Voltage System Isolation Fault P3004-132 Power Cable Malfunction P3233-750 Short to B+ in Blocking of HV Gate Connection P0C76-523 Hybrid Battery System Discharge Time Too Long HINT:
- *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic procedure.
- P0A79-704 may be set due to a malfunction which also causes DTCs in the preceding table to be set. In this case, first troubleshoot the output DTCs in the preceding table. Then, perform a test to attempt to reproduce the problems, and check that no DTCs are output.
- Turn the ignition switch off.
B → See step 8
A: Go to next step
- CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR). Refer to PROCEDURE - Step 2
NG → CONNECT SECURELY
OK: Go to next step
- CHECK INVERTER WITH CONVERTER ASSEMBLY (REAR MOTOR CABLE CONNECTION CONDITION) See step 12
B → REPLACE MALFUNCTIONING PARTS
C → CONNECT SECURELY
A: Go to next step
- CHECK REAR TRACTION MOTOR WITH TRANSAXLE ASSEMBLY (MGR) See step 15
NG → See step 5
OK → See step 9
- CHECK REAR TRACTION MOTOR WITH TRANSAXLE ASSEMBLY (REAR MOTOR CABLE CONNECTION CONDITION) See step 40
B → REPLACE MALFUNCTIONING PARTS
C → CONNECT SECURELY
A: Go to next step
- CHECK NO. 3 WIRE FRAME (REAR MOTOR CABLE) See step 41
NG → See step 10
OK: Go to next step
- CHECK EXTENSION WIRE ASSEMBLY See step 42
NG → See step 11
OK → See step 12
- GO TO DTC CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART
- REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to REMOVAL
- REPLACE NO. 3 WIRE FRAME. Refer to REMOVAL
- REPLACE EXTENSION WIRE ASSEMBLY. Refer to REMOVAL
- REPLACE REAR TRACTION MOTOR WITH TRANSAXLE ASSEMBLY. Refer to REMOVAL