Front Fog Lamps Do Not Illuminate (Both Sides)

WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

CHECK COMBINATION SWITCH INPUT SIGNAL
Select "BCM" on CONSULT-II. With "HEAD LAMP" data monitor, make sure "FR FOG SW" turns ON-OFF linked with operation of lighting switch.

Fig 1: Displaying FR FOG SW On DATA MONITOR Mode
Courtesy of NISSAN MOTOR CO., U.S.A.

When lighting switch is in FOG position: FR FOG SW ON

OK or NG
- OK: GO TO 2.
- NG: Check lighting switch. Refer to "COMBINATION SWITCH INSPECTION ".
FOG LAMP ACTIVE TEST
1. Select "IPDM E/R" on CONSULT-II, and select "ACTIVE TEST" on "SELECT DIAG MODE" screen.
2. Select "LAMPS" on "SELECT TEST ITEM" screen.
3. Touch "FOG" on "ACTIVE TEST" screen.
  
  Fig 2: Displaying LAMPS On ACTIVE TEST Screen
  Courtesy of NISSAN MOTOR CO., U.S.A.
4. Make sure fog lamps operate.
  Fog lamps should operate.
OK or NG
- OK: GO TO 3.
- NG: GO TO 4.
CHECK IPDM E/R
1. Select "IPDM E/R" on CONSULT-II, and select "DATA MONITOR" on "SELECT DIAG MODE" screen.
2. Make sure "FR FOG REQ" turns ON when lighting switch is in FOG position.
  
  Fig 3: Displaying FR FOG REQ On DATA MONITOR Mode
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  When lighting switch is in FOG position: FR FOG REQ ON
OK or NG
- OK: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION OF IPDM E/R ".
- NG: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".
IPDM E/R INSPECTION
Start active test. Refer to "AUTO ACTIVE TEST ". When front fog lamp relay is operating, check voltage between left/right front fog lamp connector terminals and body ground.

Fig 4: Terminals Voltage Reference Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 5: Checking Voltage Between Left/Right Front Fog Lamp Connector Terminal + & Body Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
- OK: Check front fog lamp bulbs and replace as necessary.
- NG: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION OF IPDM E/R ".