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Home >> Toyota >> 2015 >> Avalon Hybrid Limited >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System - Diagnostic Codes - (Hybrid) (7 Of 8) >> Hybrid Control System >> DTC P0A92-261: Hybrid Generator Performance [10/2014 - 10/2015] >> Procedure

DTC P0A92-261: Hybrid Generator Performance [10/2014 - 10/2015]: Procedure

  1. CHECK DTC OUTPUT (HYBRID CONTROL) 
    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
      P0A92-261 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
      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
      P0A51-174 Drive Motor "A" Current Sensor Circuit
      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, 306, 586 Drive Motor "A" Inverter Performance
      P0A7A-203, 344 Generator Inverter Performance
      P0A90-509 Drive Motor "A" Performance
      P0A92-521 Hybrid Generator Performance
      P0A94-585, 587, 589, 590 DC / DC Converter Performance
      P0AA6 (all INF codes)*1 Hybrid Battery Voltage System Isolation Fault
      P0C76-523 Hybrid Battery System Discharge Time Too Long
      P3004-132 High Voltage Power Resource

      HINT: 

      • *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic procedure.
      • P0A92-261 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: 

    GO TO DTC CHART (HYBRID CONTROL SYSTEM) 

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

    Result: 

    See step  2

  2. CHECK DTC OUTPUT (HYBRID CONTROL) 
    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
      Any of the following DTCs are also output. A
      P0A92-261 only is output, or DTCs except the ones in the table below are also output. B
      DTC No. Relevant Diagnosis
      P0A90-251 Drive Motor "A" Performance

      HINT: 

      When the DTCs listed in the preceding table are also output, there may be a short between the HSDN (MG shut down signal) circuit and power circuit.

    5. Turn the power switch off.

    Result: 

    See step  4

    Result: 

    See step  3

  3. CHECK POWER MANAGEMENT CONTROL ECU 

    Refer to PROCEDURE - Step 3

    Result: 

    NG 

    See step  7

    Result: 

    OK 

    See step  4

  4. SIMULATION TEST 
    1. Turn the power switch on (READY).
    2. Leave the vehicle for 1 minute with the engine on (with MG1 rotating).

      HINT: 

      If the accelerator pedal is depressed with shift lever in (P), the engine will start.

    3. Connect the Techstream to the DLC3.
    4. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
    5. Check for DTCs.

      Result

      Result Proceed to
      P0A92-261 is output or no DTCs are output. A
      P0A7A-344 or P0A92-521 is output. B
    6. Turn the power switch off.

    Result: 

    GO TO DTC CHART (HYBRID CONTROL SYSTEM) 

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

    Result: 

    See step  5

  5. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR) 

    Refer to PROCEDURE - Step 4

    Result: 

    NG 

    CONNECT SECURELY 

    Result: 

    OK 

    See step  6

  6. CHECK INVERTER WITH CONVERTER ASSEMBLY (GENERATOR CABLE CONNECTION CONDITION) 

    See step  9

    Result: 

    REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY 

    (Refer to COMPONENTS [10/2014 - ] )

    Result: 

    REPLACE MALFUNCTIONING PARTS 

    Result: 

    CONNECT SECURELY 

  7. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - INVERTER WITH CONVERTER ASSEMBLY) 

    Refer to PROCEDURE - Step 4

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  8

  8. CHECK INVERTER WITH CONVERTER ASSEMBLY 

    Refer to PROCEDURE - Step 5

    Result: 

    OK 

    REPLACE POWER MANAGEMENT CONTROL ECU 

    (Refer to COMPONENTS [10/2014 - 10/2015] )

    Result: 

    NG 

    REPLACE INVERTER WITH CONVERTER ASSEMBLY 

    (Refer to COMPONENTS [10/2014 - ] )