DTC P0A79-694: Drive Motor "B" Inverter Performance; DTC P0A79-813: Drive Motor "B" Inverter Performance: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
4. Check if DTCs are output.

   Result

   Result	Proceed to
   P0A79-716 is not output.	A
   P0A79-716 is also output.	B

   NOTE:

   • If P0A79-716 is output, troubleshoot it first. After completing the troubleshooting for P0A79-716, return to perform troubleshooting for this DTC.
   • Parts repaired or replaced during troubleshooting for P0A79-716 do not need to be re-inspected in this diagnosis procedure.
5. Turn the ignition switch off.

B → See step   4 

A: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
4. Check if DTCs are output.

   HINT: 

   • If P0A79-716 was not output in step 1 of this diagnosis procedure, check Table 1 below.
   • If P0A79-716 was output in step 1 of this diagnosis procedure, repair that DTC first, and then check Table 2 below.

   Result

   Result	Proceed to
   P0A79-694 or P0A79-813 only is output.	A
   Any of the following DTCs are also output.	B

   TABLE 1
   
   

   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, 586	Drive Motor "A" Inverter Performance
   P0A94-585, 587, 589, 590	DC / DC Converter Performance
   P0C76-523	Hybrid Battery System Discharge Time Too Long

   TABLE 2
   
   

   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
   P0A69-677	Drive Motor "B" Phase V Current
   P0A6C-678	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, 586	Drive Motor "A" Inverter Performance
   P0A94-585, 587, 589, 590	DC / DC Converter Performance
   P0C76-523	Hybrid Battery System Discharge Time Too Long

   HINT: 

   • *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic procedure.
   • P0A79-694 or P0A79-813 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.
5. Turn the ignition switch off.

B → See step   5 

A: Go to next step 

NG → CONNECT SECURELY 

OK → See step   6