DTC P0A51-174: Drive Motor "A" Current Sensor Circuit: Procedure
WARNING: This page is about a different variant/trim than selected.
- CHECK DTC OUTPUT (HV)
- 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 P0A60 (all INF codes) *1 Drive Motor "A" Phase V Current P0A63 (all INF codes) *1 Drive Motor "A" Phase W Current P0A78-113, 287, 505, 506 Drive Motor "A" Inverter Performance HINT:
- *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic flowchart.
- 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.
- P0A51-174 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: Go to next step
- CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY) See step 4
NG → CONNECT SECURELY
OK → See step 3
- REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to REMOVAL