12-Volt Battery Charge Warning Lamp

DIAGNOSIS SYSTEM (HPCM)

DIAGNOSIS DESCRIPTION : 12-Volt Battery Charge Warning Lamp






- When a DTC related to the DC/DC converter is detected, HPCM
transmits the 12-volt battery charge warning lamp signal to the combination meter via CAN communication.
Based on the signal from HPCM, the combination meter activates the 12-volt battery charge warning lamp, notifying the driver that a malfunction is detected.
1.When the ignition switch is turned ON, the 12-volt battery charge warning lamp turns ON.
NOTE:
If the 12-volt battery charge warning lamp does not turn ON, inspect the warning lamp system circuit.
Indicator Lamp.
2.When the vehicle is READY, the 12-volt battery charge warning lamp turns OFF.
NOTE:
If the 12-volt battery charge warning lamp remains ON continuously, this means a DTC related to the DC/
DC converter is detected. Execute self-diagnosis, and perform inspection or repair.