Infiniti QX56 (Z62). Manual — part 106
BCS-38
< ECU DIAGNOSIS INFORMATION >
BCM
TERMINAL LAYOUT
PHYSICAL VALUES
JMMIA0323ZZ
BCS
BCM
BCS-39
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
−
2
(BR/Y)
Ground
Combination switch
INPUT 5
Input
Combination
switch
(Wiper volume
dial 4)
All switches OFF
0 V
Turn signal switch RH
1.0 V
Lighting switch HI
Lighting switch 1ST
Lighting switch 2ND
2.0 V
3
(GR)
Ground
Combination switch
INPUT 4
Input
Combination
switch
(Wiper volume
dial 4)
All switches OFF
0 V
Turn signal switch LH
1.0 V
Lighting switch PASS
Lighting switch 2ND
Front fog lamp switch ON
0.8 V
4
(L)
Ground
Combination switch
INPUT 3
Input
Combination
switch
(Wiper volume
dial 4)
All switches OFF
0 V
Front wiper switch LO
1.0 V
Front wiper switch MIST
Front wiper switch AUTO
Lighting switch AUTO
PKIB4958J
JPMIA0342JP
PKIB4958J
PKIB4956J
PKIB4958J
BCS-40
< ECU DIAGNOSIS INFORMATION >
BCM
5
(G)
Ground
Combination switch
INPUT 2
Input
Combination
switch
All switches OFF
(Wiper volume dial 4)
0 V
Front washer switch ON
(Wiper volume dial 4)
1.0 V
Rear washer switch ON
(Wiper volume dial 4)
Any of the condition below
with all switches OFF
• Wiper volume dial 1
• Wiper volume dial 5
• Wiper volume dial 6
Rear wiper switch ON
(Wiper volume dial 4)
0.8 V
6
(V)
Ground
Combination switch
INPUT 1
Input
Combination
switch
All switches OFF
(Wiper volume dial 4)
0 V
Front wiper switch HI
(Wiper volume dial 4)
1.0 V
Rear wiper switch INT
(Wiper volume dial 4)
Wiper volume dial 3
(All switches OFF)
Any of the condition below
with all switches OFF
• Wiper volume dial 1
• Wiper volume dial 2
1.9 V
Any of the condition below
with all switches OFF
• Wiper volume dial 6
• Wiper volume dial 7
0.8 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
−
PKIB4958J
PKIB4956J
PKIB4958J
PKIB4952J
PKIB4956J
BCS
BCM
BCS-41
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
8
(V)
Ground
Power window
switch communica-
tion
Input/
Output
Ignition switch ON
9.0 - 10 V
9
(R)
Ground
Stop lamp switch 1
Input
Stop lamp
switch
OFF (Brake pedal is not
depressed)
0 V
ON (Brake pedal is de-
pressed)
Battery voltage
11
(R)
Ground
Light and rain sensor
serial link
Input/
Output
Ignition switch OFF
12 V
Ignition switch ON
8.0 - 9.0 V
14
(P/B)
Ground
Optical sensor
Input
Ignition switch
ON
When bright outside of the
vehicle
Close to 5 V
When dark outside of the
vehicle
Close to 0 V
16
(L/O)
Ground
Dimmer signal
Output
Ignition switch
ON
Either of the following
conditions
• Lighting switch OFF
• The area around the ve-
hicle is bright (Shine a
light on the optical sen-
sor)
0 V
The area around the vehi-
cle is dark (Block the light
from the optical sensor)
12 V
17
(Y/G)
Ground
Sensor power sup-
ply
Output
Ignition switch
OFF, ACC
0 V
ON
5 V
18
(B/Y)
Ground
Receiver and sensor
ground
Input
Ignition switch ON
0 V
19
(BR)
Ground
Remote keyless en-
try receiver power
supply
Output
Ignition switch OFF
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
−
PKIA7023E
JPMIA0156GB
JMKIA3838GB
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