Headlamp Does Not Change To High Beam (One Side)

WARNING: This page is about a different car, the 2007 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK HEADLAMP INPUT SIGNAL

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

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

HEADLAMP INPUT SIGNAL

Front combination lamp			(-)	Voltage
(+)
Connector		Terminal
RH	E107	7	Ground	Battery voltage
LH	E11	7	Ground	Battery voltage

Fig 1: Checking Voltage Between Front Combination Lamp RH And LH Connectors And Ground

OK or NG

OK: GO TO 3.

NG: GO TO 2.

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 and front combination lamp RH harness connector E107 terminal 7.
  27 - 7: Continuity should exist.
4. Check continuity between IPDM E/R harness connector E122 terminal 28 and front combination lamp LH harness connector E11 terminal 7.
  28 - 7: Continuity should exist.
Fig 2: Checking Continuity Between IPDM E/R E122 Terminal 28 And Front Combination Lamp LH Connector E11 Terminal 7

OK or NG

OK: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION OF IPDM E/R ".

NG: Repair harness or connector.
CHECK HEADLAMP GROUND
1. Turn ignition switch OFF.
2. Check continuity between front combination lamp RH harness connector E107 terminal 8 and ground.
  8 - Ground: Continuity should exist.
3. Check continuity between front combination lamp LH harness connector E11 terminal 8 and ground.
  8 - Ground: Continuity should exist.
Fig 3: Checking Continuity Between Front Combination Lamp LH Connector E11 Terminal 8 And Ground

OK or NG

OK: Replace headlamp assembly. Refer to "REMOVAL AND INSTALLATION ".

NG: Repair harness or connector.