2008 INFINITI QX56 Factory Service Manual

Page 769 of 4083

INFINITI QX56 2008  Factory Service Manual DEF-10
< COMPONENT DIAGNOSIS >
REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
DescriptionINFOID:0000000001735615
Heats the heating wire with

Page 770 of 4083

INFINITI QX56 2008  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
1. Disconnect IPDM E/R.
2. Check continuity between rear window defogger connector

Page 771 of 4083

INFINITI QX56 2008  Factory Service Manual DEF-12
< COMPONENT DIAGNOSIS >
DOOR MIRROR DEFOGGER LH
DOOR MIRROR DEFOGGER LH
DescriptionINFOID:0000000001735623
Heats the heating wire with the power supply from the rear window defogger relay to pr

Page 772 of 4083

INFINITI QX56 2008  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
NO >> Repair or replace harness.
4. CHECK DOOR MIRROR DEFOGGER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect

Page 773 of 4083

INFINITI QX56 2008  Factory Service Manual DEF-14
< COMPONENT DIAGNOSIS >
DOOR MIRROR DEFOGGER RH
DOOR MIRROR DEFOGGER RH
DescriptionINFOID:0000000001735631
Heats the heating wire with the power supply from the rear window defogger relay to pr

Page 774 of 4083

INFINITI QX56 2008  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
NO >> Repair or replace harness.
4. CHECK DOOR MIRROR DEFOGGER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect

Page 775 of 4083

INFINITI QX56 2008  Factory Service Manual DEF-16
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
ECU DIAGNOSIS
BCM (BODY CONTROL MODULE)
Reference ValueINFOID:0000000001735635
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
Refer to BCS-40, "Termina

Page 776 of 4083

INFINITI QX56 2008  Factory Service Manual BCM (BODY CONTROL MODULE)DEF-17
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
DEF
N
O P
Wiring DiagramINFOID:0000000001735636
ALLWA0058GB
Revision: March 2010 2008 QX56