Electrical Load Signal

ELECTRICAL LOAD SIGNAL





Description
The electrical load signal (Headlamp switch signal, rear window defogger switch signal, etc.) is transferred via the CAN communication line.




Component Function Check
1.CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION
With CONSULT-III
1. Turn ignition switch ON.
2. Select "DATA MONITOR" mode of "ENGINE" using CONSULT-III.
3. Select "LOAD SIGNAL" and check indication as per the following conditions.





Is the inspection result normal?
YES - GO TO 2.
NO - Proceed to SEE Diagnosis Procedure.
2.CHECK LIGHTING SWITCH FUNCTION
With CONSULT-III
Check "LOAD SIGNAL" indication as per the following conditions.





Is the inspection result normal?
YES - GO TO 3.
NO - Proceed to SEE Diagnosis Procedure.
3.CHECK HEATER FAN CONTROL SWITCH FUNCTION
With CONSULT-III
Select "HEATER FAN SW" and check indication as per the following conditions.





Is the inspection result normal?
YES - INSPECTION END
NO - Proceed to SEE Diagnosis Procedure.




Diagnosis Procedure
1.INSPECTION START
Confirm the malfunctioning circuit (rear window defogger, headlamp or heater fan). SEE 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 the rear window defogger system. Initial Inspection and Diagnostic Overview.
- INSPECTION END
3.CHECK HEADLAMP SYSTEM
Check the headlamp system. Exterior Lighting Halogen Type.
- INSPECTION END
4.CHECK HEATER FAN CONTROL SYSTEM
Check the heater fan control system. Automatic Air Conditioner.
- INSPECTION END