Rear Window Defogger Circuit Check

Check if any of the following fuses for IPDM E/R are blown.

OK or NG

1. OK: GO TO 2.
2. NG: If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse, refer to "COMPONENT PARTS AND HARNESS CONNECTOR LOCATION ".

1. Turn ignition switch OFF.
2. Disconnect rear window defogger.
3. Turn ignition switch ON.
4. Check voltage between rear window defogger connector D406 terminal + and ground.
   Fig 1: Rear Window Defogger Connector D406 Terminal & Voltage Specification

   Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

1. OK: GO TO 3.
2. NG: GO TO 4.

Fig 2: Checking Voltage Between Rear Window Defogger Connector D406 Terminal & And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

1. Turn ignition switch OFF.
2. Check continuity between rear window defogger connector D604 terminal - and ground.
   1. - (B) - Ground: Continuity should exist. 

OK or NG

1. OK: Check filament. Refer to "FILAMENT CHECK ".
   • If filament is OK.

     Check the condition of the harness and the connector.

   • If filament is NG.

     Repair filament.

2. NG: Repair or replace harness.

Fig 3: Checking Continuity Between Rear Window Defogger Connector D604 Terminal - And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

1. Turn ignition switch ON.
2. Check voltage between IPDM E/R connector E124 terminal 60 and ground.
   Fig 4: Rear Window Defogger Connector E124 Terminal 60 Voltage Specification

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 5: Checking Voltage Between IPDM E/R Connector E124 Terminal 60 And Ground

   Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

1. OK: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION OF IPDM E/R ".
2. NG: Repair or replace harness.