2010 INFINITI QX56 Factory Service Manual

Page 4089 of 4210

INFINITI QX56 2010  Factory Service Manual WT-20
< COMPONENT DIAGNOSIS >
C1735 IGNITION SIGNAL
C1735 IGNITION SIGNAL
DescriptionINFOID:0000000005148227
The BCM monitors the IGN ON signal on the CAN line and compares it to it’s direct IGN ON

Page 4090 of 4210

INFINITI QX56 2010  Factory Service Manual BCM (BODY CONTROL MODULE)WT-21
< ECU DIAGNOSIS >
C
DF
G H
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K L
M A
B
WT
N
O P
ECU DIAGNOSIS
BCM (BODY CONTROL MODULE)
Reference ValueINFOID:0000000005315451
VALUES ON THE DIAGNOSIS TOOL
Monitor Ite

Page 4091 of 4210

INFINITI QX56 2010  Factory Service Manual WT-22
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
LIGHT SW 1STLighting switch OFF OFF
Lighting switch 1st
ON
HEAD LAMP SW1 Headlamp switch OFF
OFF
Headlamp switch 1st ON
HEAD LAMP SW2 Headlamp switch

Page 4092 of 4210

INFINITI QX56 2010  Factory Service Manual BCM (BODY CONTROL MODULE)WT-23
< ECU DIAGNOSIS >
C
DF
G H
I
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M A
B
WT
N
O P
TRNK OPNR SW When back door opener switch is not pressed OFF
When back door opener switch is pressed
ON
TURN SIGNAL L T

Page 4093 of 4210

INFINITI QX56 2010  Factory Service Manual WT-24
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
Terminal Layout
INFOID:0000000005315452
Physical ValuesINFOID:0000000005315453
LIIA2443E
Revision: April 20092010 QX56

Page 4094 of 4210

INFINITI QX56 2010  Factory Service Manual BCM (BODY CONTROL MODULE)WT-25
< ECU DIAGNOSIS >
C
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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 4095 of 4210

INFINITI QX56 2010  Factory Service Manual WT-26
< 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 4096 of 4210

INFINITI QX56 2010  Factory Service Manual BCM (BODY CONTROL MODULE)WT-27
< ECU DIAGNOSIS >
C
DF
G H
I
J
K L
M A
B
WT
N
O P
28 L/R Front blower monitor Input ON Front blower motor OFF Battery voltage
Front blower motor ON
0V
29 W/B Hazard swit