P0AF8

P310 HYBRID VEHICLE CONTROL: HYBRID CONTROL SYSTEM: P0AF8-816: Hybrid Battery System Voltage

DTC P0AF8-816 - Hybrid Battery System Voltage

DESCRIPTION





MONITOR DESCRIPTION

If the battery smart unit detects an abnormal drop in HV battery voltage, the hybrid vehicle control ECU will turn on the MIL and set a DTC.

MONITOR STRATEGY





TYPICAL ENABLING CONDITIONS





TYPICAL MALFUNCTION THRESHOLDS





COMPONENT OPERATING RANGE





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC OUTPUT (HV)
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.
(d) Check if DTCs are output.
Result:






B -- GO TO DTC CHART Diagnostic Trouble Code Descriptions
A -- Continue to next step.
2. CHECK ENGINE START
(a) Turn the power switch on (READY).
(b) Check if the engine starts.
HINT: Depressing the accelerator pedal with the shift lever in the P position will cause the engine to start.

Result:






B -- REPLACE HV BATTERY
A -- LEAVE VEHICLE IN P POSITION, AND CHARGE HV BATTERY BY IDLING UNTIL IDLING STOPS