DTC P0A51-174: Drive Motor "A" Current Sensor Circuit [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

   Relevant DTC
   P0A1B-505	Drive Motor "A" Control Module
   P0A40-506	Drive Motor "A" Position Sensor Circuit Range / Performance
   P0A78-113, 287	Drive Motor "A" Inverter Performance
   P0BEA-290	Drive Motor "A" Phase V Current Sensor Circuit Range / Performance
   P0BEE-298	Drive Motor "A" Phase W Current Sensor Circuit Range / Performance
   P1C3C-294	Drive Motor "A" Phase V Current Sensor Correlation
   P1C3D-302	Drive Motor "A" Phase W Current Sensor Correlation
   P1C4A-288	Drive Motor "A" Phase V Current Sensor Sub Circuit Range / Performance
   P1C4F-296	Drive Motor "A" Phase W Current Sensor Sub Circuit Range / Performance
   P1C6D-501	Drive Motor "A" Phase V Current Sensor Offset Range / Performance
   P1C6E-502	Drive Motor "A" Phase W Current Sensor Offset Range / 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.

Result: 

B 

GO TO DTC CHART (HYBRID CONTROL SYSTEM) 

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

Result: 

A 

See step  2

Refer to PROCEDURE - Step 4

Result: 

OK 

REPLACE INVERTER WITH CONVERTER ASSEMBLY 

(Refer to COMPONENTS [10/2014 - ] )

Result: 

NG 

CONNECT SECURELY