P0A1F-123

P112 HYBRID VEHICLE CONTROL: HYBRID CONTROL SYSTEM: P0A1F-123: Battery Energy Control Module

DTC P0A1F-123 - Battery Energy Control Module

DESCRIPTION

Based on a malfunction signal received from the battery ECU, the HV control ECU alerts the driver and effects fail-safe control.






MONITOR DESCRIPTION

Upon receiving an abnormal signal input from the battery ECU, the HV control ECU illuminates the MIL and sets a DTC.

MONITOR STRATEGY





TYPICAL ENABLING CONDITIONS





TYPICAL MALFUNCTION THRESHOLDS





COMPONENT OPERATING RANGE





INSPECTION PROCEDURE
HINT: After repairing the malfunction, restart the system (to turn the READY light ON) and recheck the DTC.

PROCEDURE

1. READ OUTPUT DTC (HV BATTERY)
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch ON (IG).
(c) Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
(d) Check if DTCs are output.
Result:
DTCs are output
YES -- GO TO RELEVANT DTC CHART
NO -- REPLACE BATTERY ECU ASSEMBLY