2009 INFINITI QX56 Factory Service Manual

Page 777 of 4171

INFINITI QX56 2009  Factory Service Manual REAR WINDOW DEFOGGER SWITCHDEF-9
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
DEF
N
O P
COMPONENT DIAGNOSIS
REAR WINDOW DEFOGGER SWITCH
DescriptionINFOID:0000000003776336
• The rear window defogge

Page 778 of 4171

INFINITI QX56 2009  Factory Service Manual DEF-10
< COMPONENT DIAGNOSIS >
REAR WINDOW DEFOGGER RELAY
REAR WINDOW DEFOGGER RELAY
DescriptionINFOID:0000000003776339
Power is supplied to the rear window defogger with BCM control.
Component Functi

Page 779 of 4171

INFINITI QX56 2009  Factory Service Manual REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
DEF-11
< COMPONENT DIAGNOSIS >
C
D E
F
G H
I
J
K
M A
B
DEF
N
O P
REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
DescriptionINFOID:00000000037

Page 780 of 4171

INFINITI QX56 2009  Factory Service Manual DEF-12
< COMPONENT DIAGNOSIS >
REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
1. Disconnect IPDM E/R.
2. Check continuity between rear window defogger connector (A)
and IPDM E/R connector (B).
3

Page 781 of 4171

INFINITI QX56 2009  Factory Service Manual DOOR MIRROR DEFOGGER LHDEF-13
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
DEF
N
O P
DOOR MIRROR DEFOGGER LH
DescriptionINFOID:0000000003776346
Heats the heating wire with the power supply from t he

Page 782 of 4171

INFINITI QX56 2009  Factory Service Manual DEF-14
< COMPONENT DIAGNOSIS >
DOOR MIRROR DEFOGGER LH
NO >> Repair or replace harness.
4. CHECK DOOR MIRROR DEFOGGER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R and door mirror LH.
3.

Page 783 of 4171

INFINITI QX56 2009  Factory Service Manual DOOR MIRROR DEFOGGER RHDEF-15
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
DEF
N
O P
DOOR MIRROR DEFOGGER RH
DescriptionINFOID:0000000003776350
Heats the heating wire with the power supply from t he

Page 784 of 4171

INFINITI QX56 2009  Factory Service Manual DEF-16
< COMPONENT DIAGNOSIS >
DOOR MIRROR DEFOGGER RH
NO >> Repair or replace harness.
4. CHECK DOOR MIRROR DEFOGGER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R and door mirror RH.
3.