2009 INFINITI QX56 light

HEADLAMP AIMING SWITCHEXL-51
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HEADLAMP AIMING SWITCH
DescriptionINFOID:0000000003776196
The manual headlamp aiming system uses a headlamp aiming switch to adjust the axis of the headlamp aim-
ing motor. The headlamp aimer switch has four sett ings, each with a different resistance value. The head-
lamp aiming motor adjusts to the proper axis based off the position of the headlamp aiming switch.
Diagnosis Procedure - Without Daytime Light SystemINFOID:0000000003776197
1.CHECK HEADLAMP AIMING SWITCH SIGNAL FOR OPEN OR SHORT CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect headlamp aiming switch connector M148, headlamp aiming motor LH connector E11 and headlamp aiming motor RH connector E107.
3. Check continuity between the headlamp aiming switch connec-
tor M148 terminal 1 and headlamp aiming motor LH E11 and RH
E107 terminal 7.
4. Check continuity between the headlamp aiming switch connec- tor M148 terminal 1 and ground.
Are the continuity test results as specified?
YES >> GO TO 2.
NO >> Repair the harness or connector.
2.CHECK HEADLAMP AIMING SWITCH
1. Check resistance between the headlamp aiming switch termi- nals 1 and 2 in each switch position.
Are the resistance check results as specified?
YES >> GO TO 3.
NO >> Replace the headlamp aiming switch.
3.CHECK HEADLAMP AIMING SWITCH GROUND CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect headlamp aiming switch connector M148.
3. Check continuity between headlamp aiming switch connector M148 terminal 2 and ground.
Is continuity as specified?
YES >> Inspect headlamp aiming motors.
Connector Terminal Connector Terminal Continuity M148 1E11
7Y es
E107
Connector Terminal —Continuity
M148 1Ground No
AWLIA1093ZZ
Component Terminal Switch Position Resistance
Headlamp
aiming switch 12 06
04 Ω
13 24 Ω
21 91 Ω
31 30 Ω
AWLIA1027ZZ
Connector Terminal —Continuity
M148 2Ground Yes
AWLIA1028ZZ
Revision: December 20092009 QX56

EXL-52
< COMPONENT DIAGNOSIS >
HEADLAMP AIMING SWITCH
NO >> Repair harness or connector.
Diagnosis Procedure - With Daytime Light SystemINFOID:0000000004221417
1.CHECK HEADLAMP AIMING SWITCH SIGNAL FOR OPEN OR SHORT CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect headlamp aiming switch connector M148, headlamp aiming motor LH connector E6 and headlamp aiming motor RH connector E108.
3. Check continuity between the headlamp aiming switch connec-
tor M148 terminal 1 and headlamp aiming motor LH E6 and RH
E108 terminal 7.
4. Check continuity between the headlamp aiming switch connec- tor M148 terminal 1 and ground.
Are the continuity test results as specified?
YES >> GO TO 2.
NO >> Repair the harness or connector.
2.CHECK HEADLAMP AIMING SWITCH
1. Check resistance between the headlamp aiming switch termi- nals 1 and 2 in each switch position.
Are the resistance check results as specified?
YES >> GO TO 3.
NO >> Replace the headlamp aiming switch.
3.CHECK HEADLAMP AIMING SWITCH GROUND CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect headlamp aiming switch connector M148.
3. Check continuity between headlamp aiming switch connector M148 terminal 2 and ground.
Is continuity as specified?
YES >> Inspect headlamp aiming motors.
NO >> Repair harness or connector.
Connector Terminal Connector Terminal Continuity M148 1E6
7Y es
E108
Connector Terminal —Continuity
M148 1Ground No
AWLIA1093ZZ
Component Terminal Switch Position Resistance
Headlamp
aiming switch 12 06
04 Ω
13 24 Ω
21 91 Ω
31 30 Ω
AWLIA1027ZZ
Connector Terminal —Continuity
M148 2Ground Yes
AWLIA1028ZZ
Revision: December 20092009 QX56

DAYTIME LIGHT SYSTEMEXL-57
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DAYTIME LIGHT SYSTEM
Wiring DiagramINFOID:0000000003776199
ABLWA0022GB
Revision: December 20092009 QX56

EXL-58
< COMPONENT DIAGNOSIS >
DAYTIME LIGHT SYSTEM
AALWA0196GB
Revision: December 20092009 QX56

DAYTIME LIGHT SYSTEMEXL-59
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ABLIA0078GB
Revision: December 20092009 QX56

EXL-60
< COMPONENT DIAGNOSIS >
DAYTIME LIGHT SYSTEM
ABLIA0079GB
Revision: December 20092009 QX56

DAYTIME LIGHT SYSTEMEXL-61
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ABLIA0080GB
Revision: December 20092009 QX56

EXL-62
< COMPONENT DIAGNOSIS >
DAYTIME LIGHT SYSTEM
ABLIA0081GB
Revision: December 20092009 QX56