2008 INFINITI QX56 Factory Service Manual

Page 3001 of 4083

INFINITI QX56 2008  Factory Service Manual BCM (BODY CONTROL MODULE)RF-17
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HEADLAMP SW1 Headlamp switch OFF OFF
Headlamp switch 1st
ON
HEADLAMP SW2 Headlamp switch OFF
OFF
Headlamp switch 1st ON

Page 3002 of 4083

INFINITI QX56 2008  Factory Service Manual RF-18
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
Terminal Layout
INFOID:0000000004874886
Physical ValuesINFOID:0000000004874887
LIIA2443E
Revision: March 2010 2008 QX56

Page 3003 of 4083

INFINITI QX56 2008  Factory Service Manual BCM (BODY CONTROL MODULE)RF-19
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Te r m i n a l Wire 
color Signal name Signal 
input/
output Measuring condition
Reference value or waveform
(Approx.)

Page 3004 of 4083

INFINITI QX56 2008  Factory Service Manual RF-20
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
19 V/WRemote keyless entry 
receiver (power sup-
ply) Output OFF Ignition switch OFF
20 G/W Remote keyless entry 
receiver (signal) Input OFFStand-by

Page 3005 of 4083

INFINITI QX56 2008  Factory Service Manual BCM (BODY CONTROL MODULE)RF-21
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28 L/R Front blower monitor Input ON Front blower motor OFF Battery voltage
Front blower motor ON
0V
29 W/B Hazard swit

Page 3006 of 4083

INFINITI QX56 2008  Factory Service Manual RF-22
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
44 ORear wiper auto stop 
switch 1 Input ONRise up position (rear wiper 
arm on stopper)
0V
A Position (full clockwise stop 
position) Battery voltage

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INFINITI QX56 2008  Factory Service Manual BCM (BODY CONTROL MODULE)RF-23
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58 W/R Optical sensor Input ONWhen optical sensor is illumi-
nated
3.1V or more
When optical sensor is not illu-
minate

Page 3008 of 4083

INFINITI QX56 2008  Factory Service Manual RF-24
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
Wiring Diagram
INFOID:0000000004874888
ABMWA0918GB
Revision: March 2010 2008 QX56