2007 INFINITI QX56 Factory Service Manual

Page 1697 of 3061

INFINITI QX56 2007  Factory Service Manual EC-614
< SERVICE INFORMATION >
FUEL PUMP
Wiring Diagram
INFOID:0000000003532168
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM groun

Page 1698 of 3061

INFINITI QX56 2007  Factory Service Manual FUEL PUMP
EC-615
< SERVICE INFORMATION >
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
Diagnosis ProcedureINFOID:0000000003532169
1.CHECK OVERALL FUNCTION
1. Turn ignition switch ON.
2. Pinch fuel feed hose with tw

Page 1699 of 3061

INFINITI QX56 2007  Factory Service Manual EC-616
< SERVICE INFORMATION >
FUEL PUMP
>> Repair harness or connectors.
5.CHECK CONDENSER-2 POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Reconnect all harness connectors disconnected.
3. Dis

Page 1700 of 3061

INFINITI QX56 2007  Factory Service Manual FUEL PUMP
EC-617
< SERVICE INFORMATION >
C
D
E
F
G
H
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K
L
MA
EC
N
P O
OK or NG
OK >> GO TO 9.
NG >> Repair open circuit or short to power in harness or connectors.
9.CHECK CONDENSER-2
Refer to EC-6

Page 1701 of 3061

INFINITI QX56 2007  Factory Service Manual EC-618
< SERVICE INFORMATION >
FUEL PUMP
2. Check resistance between fuel level sensor unit and fuel pump
terminals 1 and 3.
CONDENSER-2
1. Turn ignition switch OFF.
2. Disconnect condenser-2 harness

Page 1702 of 3061

INFINITI QX56 2007  Factory Service Manual ICC BRAKE SWITCH
EC-619
< SERVICE INFORMATION >
C
D
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F
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K
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MA
EC
N
P O
ICC BRAKE SWITCH
Component DescriptionINFOID:0000000003532172
When depress on the brake pedal, ICC brake switch is turne

Page 1703 of 3061

INFINITI QX56 2007  Factory Service Manual EC-620
< SERVICE INFORMATION >
ICC BRAKE SWITCH
Wiring Diagram
INFOID:0000000003532174
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use EC

Page 1704 of 3061

INFINITI QX56 2007  Factory Service Manual ICC BRAKE SWITCH
EC-621
< SERVICE INFORMATION >
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
Diagnosis ProcedureINFOID:0000000003532175
1.CHECK OVERALL FUNCTION-I
 With CONSULT-II
1. Turn ignition switch ON.
2. Se