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Home >> Lexus >> 2007 >> GS 450h >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Vehicle Control - L110 Hybrid Control System - Introduction And DTC Index >> Hybrid Control System >> Operation History Data

Operation History Data

  1. OPERATION HISTORY DATA 

    HINT:

    The hybrid vehicle control ECU records inappropriate operations performed by the driver and the number of abnormal conditions that have been input to the ECU as operation history data.

    1. Connect the intelligent tester to the DLC3.
    2. Turn the power switch on (IG) and turn the intelligent tester on.
    3. Select the following menu items: DIAGNOSIS / OBD/MOBD / HV ECU / DATA LIST.
    4. Select the menu to view the number of inappropriate operations or controls that have been effected.

      HINT:

      • LATEST OPER: Among the past occurrences, the number of inappropriate operations or controls that have been effected during the most recent 1 trip detection.
      • LATEST TRIP: The number of trips after the occurrence of LATEST OPER.
      • BEF LATST OPER: The number of occurrences during the trip previous to the LATEST OPER.
      • BEF LATST TRIP: The number of trips after the occurrence of BEF LATST OPER.

      Inappropriate operation and history data: 

      INAPPROPRIATE OPERATION AND HISTORY DATA

      Intelligent Tester Display Count Condition
      SHIFT BEF READY Shift lever moved with READY light blinking
      N RANGE CTRL 1 Shift position cannot be determined
      N RANGE CTRL 2 N position control effected due to frequent shifting operation
      STEP ACCEL IN N Accelerator pedal depressed in N position
      AUX. BATT LOW Auxiliary battery voltage below 9.5 V
      HV INTERMITTENT Instantaneous open circuit at IGSW terminal of HV control ECU
      MG2 (NO1) TEMP HI Motor temperature rose above 168°C (334°F)
      MG2 (NO2) TEMP HI Generator temperature rose above 168°C (334°F)
      MG2 INV TEMP HI Motor inverter temperature rose above 131°C (268°F)
      MG1 INV TEMP HI Generator inverter temperature rose above 131°C (268°F)
      MAIN BATT LOW Battery state of charge dropped below 30%
      RESIST OVR HEAT System main resistor overheated
      COOLANT HEAT Inverter coolant forecast temperature rose above 65°C (149°F)
      CONVERTER HEAT Boost converter temperature rose above 120°C (248°F)
      BKWRD DIR SHIFT Shifted to R while moving forward or to D or B while moving in reverse
      PREVENT STAYING Engine speed stays in resonance frequency band
      ACCEL AND BRK Both accelerator and brake pedals depressed
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