2010 INFINITI QX56 Factory Service Manual

Page 3065 of 4210

INFINITI QX56 2010  Factory Service Manual PWC-80
< ECU DIAGNOSIS >
FRONT POWER WINDOW SWITCH
It changes to condition before initialization and the following functions do not operate when switched to fail-
safe control.
• Auto-up operation

Page 3066 of 4210

INFINITI QX56 2010  Factory Service Manual BCM (BODY CONTROL MODULE)PWC-81
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
L
M A
B
PWC
N
O P
BCM (BODY CONTROL MODULE)
Reference ValueINFOID:0000000005367559
VALUES ON THE DIAGNOSIS TOOL
Monitor Item Condition

Page 3067 of 4210

INFINITI QX56 2010  Factory Service Manual PWC-82
< 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 3068 of 4210

INFINITI QX56 2010  Factory Service Manual BCM (BODY CONTROL MODULE)PWC-83
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
L
M A
B
PWC
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

Page 3069 of 4210

INFINITI QX56 2010  Factory Service Manual PWC-84
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
Terminal Layout
INFOID:0000000005367560
Physical ValuesINFOID:0000000005367561
LIIA2443E
Revision: April 20092010 QX56

Page 3070 of 4210

INFINITI QX56 2010  Factory Service Manual BCM (BODY CONTROL MODULE)PWC-85
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
L
M A
B
PWC
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 3071 of 4210

INFINITI QX56 2010  Factory Service Manual PWC-86
< 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 3072 of 4210

INFINITI QX56 2010  Factory Service Manual BCM (BODY CONTROL MODULE)PWC-87
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
L
M A
B
PWC
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 sw