Diagnosis Procedure

ELECTRICAL LOAD SIGNAL


Description

The electrical load signal (Headlamp switch signal, rear window defogger switch signal, etc.) is transferred via the CAN communication line from BCM to ECM via the IPDM E/R.




ELECTRICAL LOAD SIGNAL


Diagnosis Procedure

1.INSPECTION START
Confirm the malfunctioning circuit (rear window defogger, headlamp or heater fan). 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
Work Flow.
- INSPECTION END
3.CHECK HEADLAMP SYSTEM
Xenon Type (XENON TYPE) or Halogen Type (HALOGEN TYPE).
- INSPECTION END
4.CHECK HEATER FAN CONTROL SYSTEM
With Color Display(with color display) or With Monochrome Display (with monochrome display).
- INSPECTION END