DTC P0A51-174: Drive Motor "A" Current Sensor Circuit [10/2014 - 10/2015]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
4. Check for DTCs.

   Result

   Result	Proceed to
   P0A51-174 only is output, or DTCs except the ones in the table below are also output.	A
   Any of the following DTCs are also output.	B

   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 procedure.
   • P0A51-174 may be stored due to a malfunction which causes the DTCs in the preceding table to be stored. In this case, first troubleshoot the output DTCs in the preceding table. Then, perform a reproduction test to check that no DTCs are output.
5. Turn the power switch off.

B 

GO TO DTC CHART (HYBRID CONTROL SYSTEM) 

(Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2014 - 10/2015] )

A 

See step  2

See step  4

OK 

REPLACE INVERTER WITH CONVERTER ASSEMBLY 

(Refer to COMPONENTS [10/2014 - ] )

NG 

CONNECT SECURELY