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