REAR WINDOW DEFROSTER SYSTEM INSPECTION

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System Wiring Diagram

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Inspection

1.  Switch the ignition ON.

2.  Verify that the rear window defroster switch LED illuminates using the rear window defroster switch.

3.  Verify that the heated outer mirrors and rear window defroster warm up.

•  If the heated outer mirrors and the rear window defroster do not warm up, perform diagnosis for a possible CAN malfunction according to the CAN malfunction diagnosis flow. (See FOREWORD [SKYACTIV-D 2.2 (L.H.D.)].) (See FOREWORD [SKYACTIV-D 2.2 (R.H.D.)].) (See FOREWORD [SKYACTIV-G 2.0, SKYACTIV-G 2.5 (L.H.D.)].) (See FOREWORD [SKYACTIV-G 2.0, SKYACTIV-G 2.5 (R.H.D.)].)

―  If a CAN malfunction has occurred, repair the malfunctioning location according to the diagnostic procedure of the CAN malfunction diagnosis flow. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [SKYACTIV-D 2.2 (L.H.D.)].) (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [SKYACTIV-D 2.2 (R.H.D.)].) (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [SKYACTIV-G 2.0, SKYACTIV-G 2.5 (L.H.D.)].) (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [SKYACTIV-G 2.0, SKYACTIV-G 2.5 (R.H.D.)].)

―  If a CAN malfunction has not occurred, perform inspection of the each related part.

Rear window defroster switch inspection

•  Use the heater, ventilation and air conditioning PID/data monitor inspection R/DEF_SW to inspect the rear window defroster switch. (See PID/DATA MONITOR DISPLAY [FULL-AUTO AIR CONDITIONER].) (See PID/DATA MONITOR TABLE [FULL-AUTO AIR CONDITIONER].) (See PID/DATA MONITOR DISPLAY [MANUAL AIR CONDITIONER].) (See PID/DATA MONITOR TABLE [MANUAL AIR CONDITIONER].)

Inspection of rear window defroster control signal transmission condition for climate control unit

•  Use the heater, ventilation and air conditioning PID/data monitor inspection R/DEF_CS to inspect the rear window defroster control signal transmission condition. (See PID/DATA MONITOR DISPLAY [FULL-AUTO AIR CONDITIONER].) (See PID/DATA MONITOR TABLE [FULL-AUTO AIR CONDITIONER].) (See PID/DATA MONITOR DISPLAY [MANUAL AIR CONDITIONER].) (See PID/DATA MONITOR TABLE [MANUAL AIR CONDITIONER].)

Inspection of rear window defroster control signal reception condition for front body control module (FBCM)

•  Use the front body control module (FBCM) PID/data monitor inspection DEFOG_R_CS to inspect the rear window defroster control signal reception condition. (See PID/DATA MONITOR INSPECTION [FRONT BODY CONTROL MODULE (FBCM)].) (See PID/DATA MONITOR TABLE [FRONT BODY CONTROL MODULE (FBCM)].)

Rear window defroster relay ON/OFF control inspection

•  Measure the terminal voltage at the front body control module (FBCM) terminal 1P. (See FRONT BODY CONTROL MODULE (FBCM) INSPECTION.)

Rear window defroster relay inspection

•  Inspect the rear window defroster relay. (See RELAY INSPECTION.)

Rear window defroster inspection

•  Inspect the rear window defroster. (See REAR WINDOW DEFROSTER INSPECTION.)

Heated outer mirror inspection

•  Inspect the heated outer mirrors. (See OUTER MIRROR GLASS INSPECTION.)