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Home >> Lexus >> 2010 >> LS 600hL >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Vehicle Control (Diagnostic Codes (P0A7A-517 - P1606-317) >> Hybrid Control System >> DTC P0C76-523: Hybrid Battery System Discharge Time Too Long >> Procedure

DTC P0C76-523: Hybrid Battery System Discharge Time Too Long: 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
      P0C76-523 only is output. A
      Any of the following DTCs are also output. B
      DTC No. Relevant Diagnosis
      P0A1A-151, 155, 156, 200, 201, 658, 659, 791, 792, 793 Generator Control Module
      P0A1B-163, 164, 168, 192, 193, 511, 512, 661, 786, 788, 794, 795, 796 Drive Motor "A" 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
      P0A78-113, 121, 266, 267, 279, 282, 284, 286, 287, 306, 503, 504, 505, 506 Drive Motor "A" Inverter Performance
      P0A7A-122, 322, 324, 325, 344, 517, 518 Generator Inverter Performance
      P0A90-509 Drive Motor "A" Performance
      P0A92-521 Hybrid Generator Performance
      P0A94-442 DC / DC Converter Performance
      P0ADC-226 Hybrid Battery Positive Contactor Control Circuit High
      P0AE0-228 Hybrid Battery Negative Contactor Control Circuit High
      P3240-443 DC/DC Converter Control Circuit

    B → See step   2 

    A → See step   3 

  2. GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART 
  3. REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to  COMPONENTS