DTC P0A7A-518: Generator Inverter Performance; DTC P0A7A-811: Generator Inverter Performance [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
   P0A7A-203 is not output.	A
   P0A7A-203 is also output.	B

   NOTE:

   • If P0A7A-203 is output, troubleshoot it first. After completing the troubleshooting for P0A7A-203, perform troubleshooting for this DTC.
   • Parts repaired or replaced during troubleshooting for P0A7A-203 do not need to be re-inspected in this diagnosis procedure.
5. Turn the power switch off.

Result: 

B 

GO TO DTC CHART (P0A7A-203) 

(Refer to DTC P0A7A-203: Generator Inverter Performance [10/2014 - 10/2015] )

Result: 

A 

See step  2

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.

   HINT: 

   • If P0A7A-203 was not output in step 1 of this diagnosis procedure, check Table 1 below.
   • If P0A7A-203 was output in step 1 of this diagnosis procedure, diagnose that DTC first, then check Table 2 below.

   Result

   Result	Proceed to
   P0A7A-518 or 811 only is output, or DTCs except the ones in the tables below are also 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
   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
   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
   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
   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
   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
   P0A72-333	Generator Phase V Current
   P0A75-341	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.
   • P0A7A-518 may be stored due to a malfunction which also causes DTCs in the preceding tables to be stored. In this case, first troubleshoot the output DTCs in the preceding tables. Then, perform a test to attempt to reproduce the problems, and 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 [10/2014 - 10/2015] )

Result: 

A 

See step  3

Refer to PROCEDURE - Step 4

Result: 

NG 

CONNECT SECURELY 

Result: 

OK 

See step  4

Refer to PROCEDURE - Step 3

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  5

Refer to PROCEDURE - Step 4

Result: 

NG 

See step  10

Result: 

OK 

See step  6

Refer to PROCEDURE - Step 5

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  7

Refer to PROCEDURE - Step 6

Result: 

NG 

See step  12

Result: 

OK 

See step  8

Refer to PROCEDURE - Step 7

Result: 

NG 

CONNECT SECURELY 

Result: 

OK 

See step  9

Refer to PROCEDURE - Step 8

Result: 

OK 

REPLACE INVERTER WITH CONVERTER ASSEMBLY 

(Refer to COMPONENTS [10/2014 - ] )

Result: 

NG 

CONNECT SECURELY 

Refer to PROCEDURE - Step 9

Result: 

NG 

CONNECT SECURELY 

Result: 

OK 

See step  11

Refer to PROCEDURE - Step 10

Result: 

OK 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

NG 

REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY 

(Refer to COMPONENTS [10/2014 - ] )

Refer to PROCEDURE - Step 11

Result: 

NG 

CONNECT SECURELY 

Result: 

OK 

See step  13

Refer to PROCEDURE - Step 12

Result: 

OK 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

NG 

REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY 

(Refer to COMPONENTS [10/2014 - ] )