Inspection Procedure

READ DTC OUTPUT (DTC P0A1F IS OUTPUT)
1. Connect the intelligent tester to the DLC3.
2. Turn the power switch ON (IG) and the tester ON.
3. Enter the following menus: DIAGNOSIS / OBD/MOBD / HV BATTERY / DTC INFO / TROUBLE CODES.
4. Read DTCs.
  Result:
  
  DTC P0A1F is output
YES : REPLACE BATTERY ECU

NO : GO TO NEXT STEP
CHECK BATTERY BLOCK VOLTAGE
1. Depress the brake pedal and turn the power switch ON (IG).
2. Depress the brake pedal and accelerator pedal to charge with the HV battery.
3. Read the battery block voltage in the DATA LIST. Enter the following menus: DIAGNOSIS / OBD/MOBD / HV BATTERY / DATA LIST. Read the values of "V1 BATT BLOCK" to "V14 BATT BLOCK".
4. Compare the voltages as listed below.
  - V1 BATT BLOCK and V2 BATT BLOCK
  - V3 BATT BLOCK and V4 BATT BLOCK
  - V5 BATT BLOCK and V6 BATT BLOCK
  - V7 BATT BLOCK and V8 BATT BLOCK
  - V9 BATT BLOCK and V10 BATT BLOCK
  - V11 BATT BLOCK and V12 BATT BLOCK
  - V13 BATT BLOCK and V14 BATT BLOCK
  Result:
  
  All of the battery voltage differences are 0.3 V or more.
YES : REPLACE BATTERY ECU

NO : REPLACE HV SUPPLY BATTERY ASSEMBLY