2009 INFINITI QX56 Factory Service Manual

Page 3105 of 4171

INFINITI QX56 2009  Factory Service Manual RF-14
< COMPONENT DIAGNOSIS >
DOOR SWITCH
DOOR SWITCH
DescriptionINFOID:0000000005867483
Detects door open/close condition and transmits the signal to BCM.
Component Function CheckINFOID:0000000005867

Page 3106 of 4171

INFINITI QX56 2009  Factory Service Manual DOOR SWITCHRF-15
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
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L
M A
B
RF
N
O P
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK BCM OUTPUT SIGNAL
1. Connect BCM conn

Page 3107 of 4171

INFINITI QX56 2009  Factory Service Manual RF-16
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
ECU DIAGNOSIS
BCM (BODY CONTROL MODULE)
Reference ValueINFOID:0000000005867487
VALUES ON THE DIAGNOSIS TOOL
Monitor ItemCondition Value/Status
AIR CON

Page 3108 of 4171

INFINITI QX56 2009  Factory Service Manual BCM (BODY CONTROL MODULE)RF-17
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
L
M A
B
RF
N
O P
HEADLAMP SW1 Headlamp switch OFF OFF
Headlamp switch 1st
ON
HEADLAMP SW2 Headlamp switch OFF
OFF
Headlamp switch 1st ON

Page 3109 of 4171

INFINITI QX56 2009  Factory Service Manual RF-18
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
Terminal Layout
INFOID:0000000005867488
Physical ValuesINFOID:0000000005867489
LIIA2443E
Revision: December 20092009 QX56

Page 3110 of 4171

INFINITI QX56 2009  Factory Service Manual BCM (BODY CONTROL MODULE)RF-19
< ECU DIAGNOSIS >
C
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F
G H
I
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M A
B
RF
N
O P
Te r m i n a l Wire 
color Signal name Signal 
input/
output Measuring condition
Reference value or waveform
(Approx.)

Page 3111 of 4171

INFINITI QX56 2009  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 3112 of 4171

INFINITI QX56 2009  Factory Service Manual BCM (BODY CONTROL MODULE)RF-21
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
L
M A
B
RF
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