Hybrid System Warning Lamp

DIAGNOSIS SYSTEM (HPCM)

DIAGNOSIS DESCRIPTION : Hybrid System Warning Lamp






- When a control module related to the hybrid system detects a
DTC, the lamp activation request signal is transmitted to HPCM via
CAN communication.
HPCM decides the order of priority (lamp ON or blinking) for the signals sent from the control modules related to the hybrid system and the DTC stored in the HPCM, and transmits the hybrid system warning lamp activation signal to the combination meter via CAN
communication.
Based on the signal from HPCM, the combination meter causes the hybrid system warning lamp to turn ON or blink, notifying the driver that a malfunction is detected.
- Control modules which record DTC that cause the hybrid system warning lamp to turn ON or blink.
(The control module which stores the DTC is different for each DTC.)
- HPCM
- ECM
- TCM
- Traction motor inverter
- Li-ion battery controller
1.When the ignition switch is turned ON, the hybrid system warning lamp turns ON.
NOTE:
If the hybrid system warning lamp does not turn ON, inspect the warning lamp system circuit. Indicator Lamp.
2.When the vehicle is READY, the hybrid system warning lamp turns OFF.
NOTE:
If the hybrid system warning lamp turns ON or flashes continuously, this means a DTC related to the hybrid system is detected. Execute self-diagnosis, and perform inspection or repair.