Description
The electrical load signal (Headlamp switch signal, rear window defogger switch signal, etc.) is transferred via the CAN communication.
Component Function Check
1.CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION

Is the inspection result normal? YES >> GO TO 2.
NO >> Proceed to EC-462, "Diagnosis Procedure".
2.CHECK LIGHTING SWITCH FUNCTION
Check “LOAD SIGNAL” indication under the following conditions.

Is the inspection result normal? YES >> GO TO 3.
NO >> Proceed to EC-462, "Diagnosis Procedure".
3.CHECK HEATER FAN CONTROL SWITCH FUNCTION
Select “HEATER FAN SW” and check indication under the following conditions.

Is the inspection result normal? YES >> INSPECTION END
NO >> Proceed to EC-462, "Diagnosis Procedure".
Diagnosis Procedure
1.INSPECTION START
Confirm the malfunctioning circuit (rear window defogger, headlamp or heater fan). Refer to EC-462, "Component Function Check".
Which circuit is related to the incident? Rear window defogger>>GO TO 2.
Headlamp>>GO TO 3.
Heater fan>>GO TO 4.
2.CHECK REAR WINDOW DEFOGGER SYSTEM
Check rear window defogger system. Refer to DEF-19, "Work Flow".
>> INSPECTION END
3.CHECK HEADLAMP SYSTEM
Check headlamp system. Refer to EXL-82, "Work Flow" (with halogen headlamp) or EXL-219, "Work Flow" (with LED headlamp).
>> INSPECTION END
4.CHECK HEATER FAN CONTROL SYSTEM
Check heater fan control system. Refer to HAC-46, "Work Flow" (with automatic air conditioner) or HAC-146, "Work Flow" (with manual air conditioner).
>> INSPECTION END
Cooling fan
Fuel injectorInstrument panel
Vent
Headlight/fog light (if so equipped)/turn signal switch
Meters, gauges, warning/indicator
lights and Vehicle Information Display
Windshield wiper/washer switch and rear window wiper/washer switch
/Ignition switch (if so equipped)
Push-button ...
Symptom diagnosis
COMBINATION SWITCH SYSTEM SYMPTOMS
Symptom Table
Perform the data monitor of CONSULT to check for any malfunctioning
item.
Check the malfunction combinations.
Identify the malfunctioning part from the agreed combination and repair
or replace the part.
NORMAL OPERATING C ...
B0020 side airbag module IH
Description
DTC B0020 FRONT LH SIDE AIR BAG MODULE
The front LH side air bag module is wired to the air bag diagnosis sensor
unit. The air bag diagnosis sensor
unit will monitor for opens and shorts in detected lines to the front LH side
air bag module.
PART LOCATION
Refer to SRC-6, "C ...