Headlamp Low Beam Does Not Illuminate (One Side)

Check ballasts (HID control unit) and xenon bulb of lamp which does not illuminate. Refer to Xenon Headlamp Trouble Diagnosis  .

OK or NG 

1. OK: GO TO 2.
2. NG: Repair malfunctioning part.

1. Disconnect front combination lamp RH or LH connector.
2. Turn ignition switch ON.
3. Lighting switch is turned 2ND position.
4. Check voltage between front combination lamp RH or LH harness connector and ground.

Fig 1: Terminals Voltage Specification Chart

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

Fig 2: Checking Voltage Between Front Combination Lamp RH Or LH Harness Connector And Ground

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

OK or NG 

1. OK: GO TO  4
2. NG: GO TO 3.

1. Disconnect IPDM E/R connector and front combination lamp RH or LH connector.
2. Check continuity between IPDM E/R harness connector E7 terminal 20 (R) and front combination lamp RH harness connector E24 terminal 3 (R).
   1. 20 (R) - 3 (R): Continuity should exist. 
3. Check continuity between IPDM E/R harness connector E7 terminal 30 (R/B) and front combination lamp LH harness connector E41 terminal 3 (R/B).
   1. 30 (R/B) - 3 (R/B): Continuity should exist. 

Fig 3: Checking Continuity Between IPDM E/R Harness Connector E7 Terminal 20 (R) And Front Combination Lamp RH Harness Connector E24 Terminal 3 (R)

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

OK or NG 

1. OK: Replace IPDM E/R.
2. NG: Repair harness or connector.

1. Check continuity between front combination lamp RH harness connector E24 terminal 5 (B) and ground.
   1. 5 (B) - Ground: Continuity should exist. 
2. Check continuity between front combination lamp LH harness connector E41 terminal 5 (B) and ground.
   1. 5 (B) - Ground: Continuity should exist. 

OK or NG 

1. OK: Check headlamp harness and connectors.
2. NG: Repair harness or connector.

Fig 4: Checking Continuity Between Front Combination Lamp RH Harness Connector E24 Terminal 5 (B) And Ground

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