Headlamp HI Does Not Illuminate (One Side)

CHECK BULB
Check bulbs of lamps which do not illuminate.

OK or NG
1. OK: GO TO 2.
2. NG: Replace headlamp bulb.

CHECK HEADLAMP INPUT SIGNAL

Turn ignition switch OFF.
Disconnect front combination lamp RH or LH connector.
Turn ignition switch ON.
Lighting switch is turned HIGH position.

Check voltage between front combination lamp RH or LH harness connector and ground.

HEADLAMP INPUT SIGNAL TERMINAL VOLTAGE SPECIFICATION

Terminals				Voltage
(+)			(-)
Connector	Terminal (Wire color)		(-)
RH	E24	2 (BR)	Ground	Battery voltage
LH	E41	2 (R/Y)	Ground	Battery voltage

OK or NG

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

Fig 1: Checking Voltage Between Front Combination Lamp RH Or LH Harness Connector And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

CHECK HEADLAMP CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity between IPDM E/R harness connector E7 terminal 27 (BR) and front combination lamp RH harness connector E24 terminal 2 (BR).
  27 (BR) - 2 (BR): Continuity should exist.
4. Check continuity between IPDM E/R harness connector E7 terminal 28 (R/Y) and front combination lamp LH harness connector E41 terminal 2 (R/Y).
  28 (R/Y) - 2 (R/Y): Continuity should exist.
  
  Fig 2: Checking Continuity Between IPDM E/R And Front Combination Lamp
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Replace IPDM E/R.
2. NG: Repair harness or connector.
CHECK HEADLAMP GROUND
1. Check continuity between front combination lamp RH harness connector E24 terminal 8 (B) and ground.
  8 (B) - Ground: Continuity should exist.
2. Check continuity between front combination lamp LH harness connector E41 terminal 8 (B) and ground.
  8 (B) - Ground: Continuity should exist.
OK or NG
1. OK: Check headlamp harness and connectors.
2. NG: Repair harness or connector.
  
  Fig 3: Checking Continuity Between Front Combination Lamp Harness Connector And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.