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Home >> Lexus >> 2009 >> LS 600hL >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Vehicle Control (Diagnostic Codes (P0A7A-324 - P1557-887)) >> Hybrid Control System >> DTC P0A92-261: Hybrid Generator Performance >> Procedure

DTC P0A92-261: Hybrid Generator Performance: Procedure

  1. CHECK DTC OUTPUT (HV) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.
    4. Check if DTCs are output.

      Result

      Result Proceed to
      P0A92-261 only is 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
      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, 523 Drive Motor "A" Inverter Performance
      P0A7A-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
      P3004-132 Power Cable Malfunction
      P3233-750 Short to B+ in Blocking of HV Gate Connection

      HINT: 

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

    B → See step   6 

    A: Go to next step 

  2. SIMULATION TEST 
    1. Leave the vehicle for 1 minute with the engine on (with MG1 rotating).

      HINT: 

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

    2. Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.
    3. Check if DTCs are output.

      Result

      Result Proceed to
      P0A92-261 is output or no DTC is output. A
      P0A7A-344 or P0A92-521 is output. B

    B → See step   6 

    A: Go to next step 

  3. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR). Refer to  PROCEDURE - Step 3 

    NG → CONNECT SECURELY 

    OK: Go to next step 

  4. CHECK INVERTER WITH CONVERTER ASSEMBLY (GENERATOR CABLE CONNECTION CONDITION). Refer to  PROCEDURE - Step 8 

    C → CONNECT SECURELY 

    B → REPLACE MALFUNCTIONING PARTS 

    A: Go to next step 

  5. CHECK HYBRID VEHICLE TRANSMISSION ASSEMBLY (GENERATOR CABLE CONNECTION CONDITION). Refer to  PROCEDURE - Step 18 

    C → CONNECT SECURELY 

    B → REPLACE MALFUNCTIONING PARTS 

    A → See step   7 

  6. GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART 
  7. REPLACE HYBRID VEHICLE TRANSMISSION ASSEMBLY. Refer to  REMOVAL