DTC P0A7A-344: Generator Inverter Performance: Procedure
- CHECK DTC OUTPUT (HYBRID CONTROL)
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
- Check if DTCs are output.
Result
Result Proceed to P0A7A-344 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 P0A1D (all INF codes)*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 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 P0A72 (all INF codes)*1 Generator Phase V Current P0A75 (all INF codes)*1 Generator Phase W Current P0A78-266, 267, 279, 287, 503, 504, 505, 506, 586, 806, 807, 808 Drive Motor "A" Inverter Performance P0A7A-203, 325, 517, 518, 809, 810, 811 Generator Inverter Performance P0A94-547, 548, 549, 554, 555, 556, 585, 587, 589, 590 DC/DC Converter Performance P0AA6 (all INF codes)*1 Hybrid Battery Voltage System Isolation Fault P0C76-523 Hybrid Battery System Discharge Time Too Long P3004-132 High Voltage Power Resource P3233-750 Open or Short to B+ in Blocking of HV Gate Connection HINT:
- *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic procedure.
- P0A7A-344 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 power switch off.
B → See step 7
A: Go to next step
- CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR). Refer to PROCEDURE - Step 4
NG → CONNECT SECURELY
OK: Go to next step
- CHECK INVERTER WITH CONVERTER ASSEMBLY (GENERATOR CABLE CONNECTION CONDITION). Refer to PROCEDURE - Step 9
B → REPLACE MALFUNCTIONING PARTS
C → CONNECT SECURELY
A: Go to next step
- CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MG1). Refer to PROCEDURE - Step 11
NG → See step 5
OK → See step 9
- CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (GENERATOR CABLE CONNECTION CONDITION). Refer to PROCEDURE - Step 26
B → REPLACE MALFUNCTIONING PARTS
C → CONNECT SECURELY
A: Go to next step
- CHECK GENERATOR CABLE. Refer to PROCEDURE - Step 27
NG → See step 10
OK → See step 8
- GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to DIAGNOSTIC TROUBLE CODE CHART
- REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY. Refer to COMPONENTS
- REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to COMPONENTS
- REPLACE GENERATOR CABLE. Refer to COMPONENTS