light INFINITI QX56 2010 Factory Service Manual

EXL-50
< COMPONENT DIAGNOSIS >
HEADLAMP AIMING SWITCH
1. Turn the ignition switch OFF.
2. Disconnect headlamp aiming switch connector M148.
3. Check continuity between headlamp aiming switch connectorM148 terminal 2 and ground.
Is continuity as specified?
YES >> Inspect headlamp aiming motors.
NO >> Repair harness or connector.
Diagnosis Procedure - With Daytime Light SystemINFOID:0000000005146662
Regarding Wiring Diagram information, refer to EXL-69, "Wiring Diagram".
1.CHECK HEADLAMP AIMING SWITCH SIGNAL FOR OPEN OR SHORT CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect headlamp aiming switch connector M148 (A), headlamp aiming motor LH connector E6 and headlamp aiming motor RH connector E108 (B).
3. Check continuity between the headlamp aiming switch connec-
tor M148 terminal 1 (A) and headlamp aiming motor LH E6 and
RH E108 terminal 7 (B).
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
Connector Terminal —Continuity
M148 2Ground Yes
AWLIA1028ZZ
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
Revision: April 20092010 QX56

EXL-56
< COMPONENT DIAGNOSIS >
DAYTIME LIGHT SYSTEM
DAYTIME LIGHT SYSTEM
Wiring DiagramINFOID:0000000005146664
ABLWA0417GB
Revision: April 20092010 QX56

DAYTIME LIGHT SYSTEMEXL-57
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
EXL
N
O P
ABLWA0418GB
Revision: April 20092010 QX56

EXL-58
< COMPONENT DIAGNOSIS >
DAYTIME LIGHT SYSTEM
ABLIA1368GB
Revision: April 20092010 QX56

DAYTIME LIGHT SYSTEMEXL-59
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
EXL
N
O P
ABLIA0079GB
Revision: April 20092010 QX56

EXL-60
< COMPONENT DIAGNOSIS >
DAYTIME LIGHT SYSTEM
ABLIA1369GB
Revision: April 20092010 QX56

DAYTIME LIGHT SYSTEMEXL-61
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
EXL
N
O P
ABLIA1370GB
Revision: April 20092010 QX56

EXL-62
< COMPONENT DIAGNOSIS >
AUTO LIGHT SYSTEM
AUTO LIGHT SYSTEM
Wiring DiagramINFOID:0000000005146665
ABLWA0419GB
Revision: April 20092010 QX56

AUTO LIGHT SYSTEMEXL-63
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
EXL
N
O P
ABLIA1372GB
Revision: April 20092010 QX56

EXL-64
< COMPONENT DIAGNOSIS >
AUTO LIGHT SYSTEM
ABLIA0085GB
Revision: April 20092010 QX56