Component Function Check

Component Function Check

1. CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION

   With CONSULT

   1. Turn ignition switch ON.

   2. Select “DATA MONITOR” of “ENGINE” with CONSULT.

   3. Select “LOAD SIGNAL” and check indication under the following conditions.

      Monitor item	Condition		Indication
      LOAD SIGNAL	Rear window defogger switch	ON	ON
      		OFF	OFF

   Is the inspection result normal?

   YES >>

   GO TO 2.

   NO >>

   Refer to Diagnosis Procedure.

2. CHECK LIGHTING SWITCH FUNCTION

   With CONSULT

   Check “LOAD SIGNAL” indication under the following conditions.

   Monitor item	Condition		Indication
   LOAD SIGNAL	Lighting switch	ON at 2nd position	ON
   		OFF	OFF

   Is the inspection result normal?

   YES >>

   GO TO 3.

   NO >>

   Refer to Diagnosis Procedure.

3. CHECK HEATER FAN CONTROL SWITCH FUNCTION

   With CONSULT

   Select “HEATER FAN SW” and check indication under the following conditions.

   Monitor item	Condition		Indication
   HEATER FAN SW	Heater fan control switch	ON	ON
   		OFF	OFF

   Is the inspection result normal?

   YES >>

   INSPECTION END

   NO >>

   Refer to Diagnosis Procedure.

Diagnosis Procedure

Diagnosis Procedure

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

1. INSPECTION START

   Confirm the malfunctioning circuit (rear window defogger, headlamp or heater fan). Refer to 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 Work Flow.

   >>

   INSPECTION END

3. CHECK HEADLAMP SYSTEM

   Check headlamp system. Refer to Work Flow(Halogen headlamp), Work Flow(Led headlamp).

   >>

   INSPECTION END

4. CHECK HEATER FAN CONTROL SYSTEM

   Check heater fan control system. Refer to Work Flow.

   >>

   INSPECTION END