P0AF8 HV battery voltage drop

DESCRIPTION

1. The HV control ECU detects error signals, alerts the driver, and performs fail-safe control based on the detected signals.
   
2. This DTC is output if the HV battery is discharged, the HV control system has a malfunction, or the shift lever is left in the N position.
   

DTC No.	DTC Detection Condition	Trouble Area
P0AF8	HV battery voltage drop	HV control system HV battery

MONITOR DESCRIPTION

If the battery smart unit detects voltage drop in the HV battery, the HV control ECU illuminates the MIL and sets a DTC.

INSPECTION PROCEDURE

1. READ OUTPUT DTC (HV)

1. Connect the intelligent tester to the DLC3.

2. Turn the ignition switch to the ON position.

3. Select the following menu items: Powertrain / Hybrid Control / DTC.

4. Read output DTCs. (Click here)

   Result:

   DTCs other than P0AF8, P3000-388 and P3000-389 are output.
   

YES	GO TO DTC CHART

NO

2. CHECK ENGINE START

1. Put the vehicle into the READY-on state. Check if the engine starts.

   Result:

   The engine starts.
   

YES	LEAVE VEHICLE IN P POSITION, AND CHARGE HV BATTERY IN IDLE STATUS UNTIL IDLING STOPS

NO
REPLACE HV BATTERY ASSEMBLY