HYBRID/TROUBLE SHOOTING
3–5
1.
HV WARNING LIGHT LIGHTING PROCESS
(1)
The HV ECU controls the HV warning light.
(2)
The HV warning light turns on in case of malfunction of the HV ECU, the HV battery ECU, the inverter, or the
clutch ECU.
(3)
The HV ECU receives information regarding malfunction of the HV battery ECU, the inverter, and the clutch ECU
via CAN.
2.
ABOUT MIL
(1)
The engine ECU controls whether to turn on or turn off MIL.
(2)
When a malfunction relevant to emission occurs in the HV system or vehicle control ECU, the MIL light ON
request is sent from the HV ECU to the engine ECU using CAN.
(3)
HV battery ECU, inverter and vehicle control ECU send the MIL light ON request to the engine ECU using CAN
via HV ECU.
LIGHT ON OR LIGHT OFF
HV WARNING LIGHT
HV ECU
MALFUNCTION
INFORMATION
HV BATTERY ECU
INVERTER
CLUTCH ECU
CAN:
SIGNAL LINE:
SHTS03ZZZ0300002
LIGHT ON OR
LIGHT OFF
MIL
HV ECU
MIL ON
REQUEST
ENGINE ECU
MIL ON
REQUEST
HV BATTERY ECU
INVERTER
VEHICLE CONTROL
ECU
CAN:
SIGNAL LINE:
SHTS03ZZZ0300003