Infiniti QX56 (Z62). Manual — part 107
BCS-42
< ECU DIAGNOSIS INFORMATION >
BCM
20
(G/R)
Ground
Remote keyless en-
try receiver commu-
nication
Input
Waiting
Signal receiving
21
(P)
Ground
NATS antenna amp.
Input/
Output
During waiting
Ignition switch is pressed
while inserting the key into
the key slot.
Just after pressing ignition
switch. Pointer of tester should
move.
22
(W/B)
Ground
Remote keyless en-
try receiver RSSI
Input
Waiting
0 V
Signal receiving
23
(GR/R)
Ground
Security indicator
lamp
Output
Security indica-
tor lamp
ON
0 V
Blinking (Ignition switch
OFF)
11.0 - 12.0 V
OFF
Battery voltage
24*
(SB)
Ground
Dongle link
Input/
Output
Ignition switch OFF
5 V
25
(LG/R)
Ground
NATS antenna amp.
Input/
Output
During waiting
Ignition switch is pressed
while inserting the key into
the key slot.
Just after pressing ignition
switch. Pointer of tester should
move.
29
(W)
Ground
Hazard switch
Input
Hazard switch
OFF
12 V
ON
0 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
−
JMKIA3838GB
JMKIA3841GB
JMKIA3838GB
JPMIA0590GB
BCS
BCM
BCS-43
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
30
(W/L)
Ground
Back door opener
switch
Input
Back door
opener switch
Pressed
0 V
Not pressed
1.0 - 1.5 V
31
(W/G)
Ground
Front door lock as-
sembly driver side
(Unlock sensor)
Input
Driver door
LOCK status (Unlock sen-
sor switch OFF)
7.0 - 8.0 V
UNLOCK status (Unlock
sensor switch ON)
0 V
32
(LG)
Ground
Combination switch
OUTPUT 5
Output
Combination
switch
All switches OFF
(Wiper volume dial 4)
7.0 - 8.0 V
Front fog lamp switch ON
(Wiper volume dial 4)
1.0 V
Rear wiper switch ON
(Wiper volume dial 4)
Any of the condition below
with all switches OFF
• Wiper volume dial 1
• Wiper volume dial 2
• Wiper volume dial 6
• Wiper volume dial 7
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
−
JPMIA0012GB
PKIB4960J
PKIB4960J
PKIB4956J
BCS-44
< ECU DIAGNOSIS INFORMATION >
BCM
33
(Y)
Ground
Combination switch
OUTPUT 4
Output
Combination
switch
All switches OFF
(Wiper volume dial 4)
7.0 - 8.0 V
Lighting switch 1ST
(Wiper volume dial 4)
1.2 V
Lighting switch AUTO
(Wiper volume dial 4)
Rear wiper switch INT
(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
34
(W)
Ground
Combination switch
OUTPUT 3
Output
Combination
switch
All switches OFF
(Wiper volume dial 4)
7.0 - 8.0 V
Lighting switch 2ND
(Wiper volume dial 4)
1.2 V
Lighting switch HI
(Wiper volume dial 4)
Rear washer switch ON
(Wiper volume dial 4)
Any of the condition below
with all switches OFF
• Wiper volume dial 1
• Wiper volume dial 2
• Wiper volume dial 3
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
−
PKIB4960J
PKIB4958J
PKIB4960J
PKIB4958J
BCS
BCM
BCS-45
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
35
(R/W)
Ground
Combination switch
OUTPUT 2
Output
Combination
switch
(Wiper volume
dial 4)
All switches OFF
7.0 - 8.0 V
Lighting switch 2ND
1.2 V
Lighting switch PASS
Front wiper switch AUTO
Front wiper switch HI
36
(SB)
Ground
Combination switch
OUTPUT 1
Output
Combination
switch
(Wiper volume
dial 4)
All switches OFF
7.0 - 8.0 V
Turn signal switch RH
1.2 V
Turn signal switch LH
Front wiper switch LO
Front wiper switch MIST
Front washer switch ON
37
(G/Y)
Ground
P position
Input
Selector lever
P position
0 V
Any position other than P
12 V
39
(L)
Ground
CAN-H
Input/
Output
—
—
40
(P)
Ground
CAN-L
Input/
Output
—
—
43
(Y/L)
Ground
Back door switch
Input
Back door
switch
OFF
(When back door closed)
9.0 - 10.0 V
ON
(When back door opened)
0 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
−
PKIB4960J
PKIB4958J
PKIB4960J
PKIB4958J
JPMIA0593GB
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