DTC P0A94-126: DC / DC Converter 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 DTC P0A94-126 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 (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 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 P0A78-266, 267, 287, 505, 506, 586, 806, 807, 808 Drive Motor "A" Inverter Performance P0A79-693, 694, 695, 812, 813, 814 Drive Motor "B" Inverter Performance P0A7A-325, 517, 518, 809, 810, 811 Generator Inverter Performance P0A94-169, 170, 171, 554, 555, 556, 564, 585, 587, 589, 590 DC / DC Converter Performance P0ADB-227 Hybrid Battery Positive Contactor Control Circuit Low P0ADC-226 Hybrid Battery Positive Contactor Control Circuit High P0ADF-229 Hybrid Battery Negative Contactor Control Circuit Low P0AE0-228 Hybrid Battery Negative Contactor Control Circuit High P0C76-523 Hybrid Battery System Discharge Time Too Long P3004-803 Power Cable Malfunction HINT:
- *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic procedure.
- P0A94-126 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 HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - REAR MOTOR RESOLVER). Refer to PROCEDURE - Step 7
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next step
- CHECK REAR MOTOR RESOLVER. Refer to PROCEDURE - Step 8
NG → See step 6
OK: Go to next step
- CHECK CONNECTOR CONNECTION CONDITION (REAR MOTOR RESOLVER CONNECTOR). Refer to PROCEDURE - Step 11
NG → CONNECT SECURELY
OK → See step 9
- CHECK CONNECTOR CONNECTION CONDITION (REAR MOTOR RESOLVER CONNECTOR). Refer to PROCEDURE - Step 16
NG → CONNECT SECURELY
OK: Go to next step
- CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - REAR MOTOR RESOLVER). Refer to PROCEDURE - Step 17
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR
OK → See step 10
- GO TO DTC CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART
- REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to REMOVAL
- REPLACE REAR TRACTION MOTOR WITH TRANSAXLE ASSEMBLY. Refer to REMOVAL