Headlamp Does Not Change To High Beam (Both Sides)

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK COMBINATION SWITCH INPUT SIGNAL
With CONSULT-II

Select "BCM" on CONSULT-II. With "HEAD LAMP" data monitor, make sure "HI BEAM SW" turns ON-OFF linked with operation of lighting switch.
1. When lighting switch is: HI BEAM SW ON
2. HIGH position
Without CONSULT-II

Refer to COMBINATION SWITCH INSPECTION .

Fig 1: With Consult-II Display - Data Monitor
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: GO TO 2.
2. NG: Check lighting switch. Refer to COMBINATION SWITCH INSPECTION .
HEADLAMP ACTIVE TEST
With CONSULT-II
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 "HI" screen.
4. Make sure headlamp high beam operates.
  
  Fig 2: Consult-II Display - Headlamp Active Test
  Courtesy of NISSAN MOTOR CO., U.S.A.
  1. Headlamp high beam should operate (Headlamp high beam repeats ON-OFF every 1 second).
Without CONSULT-II
1. Start auto active test. Refer to AUTO ACTIVE TEST .
2. Make sure headlamp high beam operates.
  1. Headlamp high beam should operate.
OK or NG
1. OK: GO TO 3.
2. 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 "HL LO REQ" and "HL HI REQ" turns ON when lighting switch is in HI position.
  
  Fig 3: Consult-II Display - Data Monitor
  Courtesy of NISSAN MOTOR CO., U.S.A.
  1. When lighting switch is: HL LO REQ ON
  2. HIGH position: HL HI REQ ON
OK or NG
1. OK: Replace IPDM E/R.
2. NG: Replace BCM. Refer to REMOVAL AND INSTALLATION OF BCM .

CHECK HEADLAMP INPUT SIGNAL

With CONSULT-II

Turn ignition switch OFF.
Disconnect front combination lamp RH and LH connector.
Select "IPDM E/R" on CONSULT-II. and select "ACTIVE TEST" on "SELECT DIAG MODE" screen.
Select "LAMPS" on "SELECT TEST ITEM" screen.
Touch "HI" screen.
When headlamp high beam is operating, check voltage between front combination lamp RH and LH harness connector and ground (Headlamp high beam repeats ON-OFF every 1 second).

Fig 4: Checking Voltage Between Front Combination Lamp RH And LH Harness Connector And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

Without CONSULT-II

Turn ignition switch OFF.
Disconnect front combination lamp RH and LH connector.
Start auto active test. Refer to AUTO ACTIVE TEST .
When headlamp high beam is operating, check voltage between front combination lamp RH and LH harness connector and ground.

CONNECTOR TERMINAL VOLTAGE SPECIFICATION

Terminals				Voltage
(+)			(-)
Connector	Terminal (Wire color)
RH	E107	7 (L/W)	Ground	Battery voltage
LH	E11	7(G)

OK or NG

OK: GO TO 6 .
NG: GO TO 5.

CHECK HEADLAMP CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity between IPDM E/R harness connector E122 terminal 27 (L/W) and front combination lamp RH harness connector E107 terminal 7 (L/W).
  1. 27 (L/W) - 7 (L/W): Continuity should exist.
4. Check continuity between IPDM E/R harness connector E122 terminal 28 (G) and front combination lamp LH harness connector E11 terminal 7 (G).
  
  Fig 5: Checking Continuity Between IPDM E/R Harness Connector E122 Terminal 27 (L/W) And Front Combination Lamp RH Harness Connector E107 Terminal 7 (L/W)
  Courtesy of NISSAN MOTOR CO., U.S.A.
  1. 28 (G) - 7 (G): Continuity should exist.
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 E107 terminal 8 (B) and ground.
  1. 8 (B) - Ground: Continuity should exist.
2. Check continuity between front combination lamp LH harness connector E11 terminal 8 (B) and ground.
  
  Fig 6: Checking Continuity Between Front Combination Lamp RH Harness Connectors Terminal 8 (B) And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  1. 8 (B) - Ground: Continuity should exist.
OK or NG
1. OK: Replace headlamp assembly.
2. NG: Repair harness or connector.