DTC P0A78-523: Drive Motor "A" Inverter Performance: Procedure
WARNING: This page is about a different variant/trim than selected.
- CHECK DTC OUTPUT
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.
- Check if DTCs are output.
Result
DTC No. Relevant Diagnosis P0AE2-773, 161 SMRP P0AE0-228 SMRG P0ADC-226 SMRB P0A1A-156, 658, 659, 151, 155, P0A1B-511, 164, 163, 512, 193, 786, 788, 661, P0A78-266, 267, P0A94-442 VH sensor circuit P0A1A-200, 791, 792, 793, P0A1B-192, 168, 794, 795, 796, P0A3F-243, P0A41-245, P0A40-500, P0A4B-253, P0A4C-513, P0A4D-255 MG resolver circuit HINT:
- Turning the power switch on (IG) with the service plug grip and inverter cover removed causes interlock switch system DTC P0A0D-350 to be output.
- P0A78-523 may be output due to a malfunction which causes the DTCs in the table above to be output. In this case, first troubleshoot the output DTCs in the table above. Then, perform a reproduction test to check that no DTCs are output.
YES → GO TO DIAGNOSTIC TROUBLE CODE CHART DTC CHART
NO → See step 2
- REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to REMOVAL