2008 INFINITI QX56 Factory Service Manual

Page 2889 of 4083

INFINITI QX56 2008  Factory Service Manual PWC-48
< COMPONENT DIAGNOSIS >
REAR POWER VENT WINDOW RELAY (OPEN) CHECK
1. Disconnect rear power vent window switch.
2. Check continuity between rear power vent window relay (OPEN)connector M87 termi

Page 2890 of 4083

INFINITI QX56 2008  Factory Service Manual REAR POWER VENT WINDOW RELAY (CLOSE) CHECKPWC-49
< COMPONENT DIAGNOSIS >
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M A
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PWC
N
O P
REAR POWER VENT WINDOW RELAY (CLOSE) CHECK
DescriptionINFOID:0000000001735707
Rear power vent

Page 2891 of 4083

INFINITI QX56 2008  Factory Service Manual PWC-50
< COMPONENT DIAGNOSIS >
REAR POWER VENT WINDOW RELAY (CLOSE) CHECK
1. Disconnect rear power vent window switch.
2. Check continuity between rear power vent window relay
(CLOSE) connector M89 te

Page 2892 of 4083

INFINITI QX56 2008  Factory Service Manual BCM (BODY CONTROL MODULE)PWC-51
< ECU DIAGNOSIS >
C
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F
G H
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M A
B
PWC
N
O P
ECU DIAGNOSIS
BCM (BODY CONTROL MODULE)
Reference ValueINFOID:0000000004874949
VALUES ON THE DIAGNOSIS TOOL
Monitor I

Page 2893 of 4083

INFINITI QX56 2008  Factory Service Manual PWC-52
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
HEADLAMP SW1Headlamp switch OFF OFF
Headlamp switch 1st
ON
HEADLAMP SW2 Headlamp switch OFF
OFF
Headlamp switch 1st ON
HI BEAM SW High beam switch OF

Page 2894 of 4083

INFINITI QX56 2008  Factory Service Manual BCM (BODY CONTROL MODULE)PWC-53
< ECU DIAGNOSIS >
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PWC
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Terminal LayoutINFOID:0000000004874951
Physical ValuesINFOID:0000000004874952
LIIA2443E
Revision: March 2010 2008 QX5

Page 2895 of 4083

INFINITI QX56 2008  Factory Service Manual PWC-54
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
Te r m i n a lWire 
color Signal name Signal 
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition 
switch Operation or c

Page 2896 of 4083

INFINITI QX56 2008  Factory Service Manual BCM (BODY CONTROL MODULE)PWC-55
< ECU DIAGNOSIS >
C
DE
F
G H
I
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M A
B
PWC
N
O P
19 V/W Remote keyless entry 
receiver (power sup-
ply) Output OFF Ignition switch OFF
20 G/W Remote keyless entry 
re