Nissan Leaf. Manual — part 1275
WCS
COMBINATION METER
WCS-27
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
TERMINAL LAYOUT
PHYSICAL VALUES
• ECO tree (2) illuminates
• 5 segments of ECO tree (1) illuminate
SEG15+SEG21
ECO tree (3) illuminates
SEG22
• ECO tree (3) illuminates
• 1 segment of ECO tree (1) illuminate
SEG11+SEG22
• ECO tree (3) illuminates
• 2 segments of ECO tree (1) illuminate
SEG12+SEG22
• ECO tree (3) illuminates
• 3 segments of ECO tree (1) illuminate
SEG13+SEG22
• ECO tree (3) illuminates
• 4 segments of ECO tree (1) illuminate
SEG14+SEG22
• ECO tree (3) illuminates
• 5 segments of ECO tree (1) illuminate
SEG15+SEG22
ECO tree (4) illuminates
SEG23
• ECO tree (4) illuminates
• 1 segment of ECO tree (1) illuminate
SEG11+SEG23
• ECO tree (4) illuminates
• 2 segments of ECO tree (1) illuminate
SEG12+SEG23
• ECO tree (4) illuminates
• 3 segments of ECO tree (1) illuminate
SEG13+SEG23
• ECO tree (4) illuminates
• 4 segments of ECO tree (1) illuminate
SEG14+SEG23
• ECO tree (4) illuminates
• 5 segments of ECO tree (1) illuminate
SEG15+SEG23
ECO tree (5) illuminates
SEG24
• ECO tree (5) illuminates
• 1 segment of ECO tree (1) illuminate
SEG11+SEG24
• ECO tree (5) illuminates
• 2 segments of ECO tree (1) illuminate
SEG12+SEG24
• ECO tree (5) illuminates
• 3 segments of ECO tree (1) illuminate
SEG13+SEG24
• ECO tree (5) illuminates
• 4 segments of ECO tree (1) illuminate
SEG14+SEG24
• ECO tree (5) illuminates
• 5 segments of ECO tree (1) illuminate
SEG15+SEG24
Other than the above
Off
Displays number of ON segments of ECO tree
Status
JSNIA3729ZZ
WCS-28
< ECU DIAGNOSIS INFORMATION >
COMBINATION METER
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
–
Signal name
Input/
Output
1
(LG)
Ground
Battery power supply
Input
Power
switch
OFF
—
Battery voltage
2
(Y)
Ground
Battery power supply (for
upper meter)
Output
Power
switch
OFF
—
Battery voltage
3
(GR)
Ground
Power switch ON signal
Input
Power
switch
ON
—
Battery voltage
4
(BG)
Ground
Power switch ON signal (for
upper meter
Output
Power
switch
ON
—
Battery voltage
5
(B)
Ground
Ground
—
Power
switch
ON
—
0 V
6
(B)
Ground
Ground
—
Power
switch
ON
—
0 V
8
(Y)
Ground
Washer fluid level switch
signal
Input
Power
switch
ON
Washer fluid level switch
ON
0 V
Washer fluid level switch
OFF
5 V
9
(BR)
Ground Plug in signal
Input
Power
switch
ON
Charge connector connect-
ed
0 V
Charge connector not con-
nected
Battery voltage
12
(V)
Ground
Sw ground
—
—
—
—
13
(G)
Ground
Select switch signal
Input
Power
switch
ON
When
switch
(select
switch) is pressed
0 V
Other than the above
5 V
14
(Y)
Ground Enter switch signal
Input
Power
switch
ON
When
switch (enter
switch) is pressed
0 V
Other than the above
5 V
15
(BR)
Ground Trip reset switch signal
Input
Power
switch
ON
When trip reset switch is
pressed
0 V
Other than the above
5 V
16
(P)
Ground
Illumination control switch
signal
Input
Power
switch
ON
When
switch
(illumina-
tion control switch) is
pressed
0 V
Other than the above
5 V
WCS
COMBINATION METER
WCS-29
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
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B
A
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17
(G)
Ground
Illumination control signal
(for upper meter)
Output
Power
switch
ON
• Lighting switch 1ST posi-
tion
• When meter illumination
is maximum
• Lighting switch 1ST posi-
tion
• When meter illumination
is step 6
• Lighting switch 1ST posi-
tion
• When meter illumination
is minimum
0 V
18
(P)
—
CAN-L
—
—
—
—
19
(L)
—
CAN-H
—
—
—
—
20
(LG)
Ground
Seat belt buckle switch sig-
nal (passenger side)
Input
Power
switch
ON
• When getting in the pas-
senger seat
• When passenger seat
belt is fastened
Battery voltage
• When getting in the pas-
senger seat
• When passenger seat
belt is unfastened
0 V
22
(GR)
Ground
Ground (for upper meter)
—
Power
switch
ON
—
0 V
24
(BG)
Ground
Parking brake switch signal
Input
Power
switch
ON
Parking brake applied
0 V
Parking brake released
Battery voltage
25
(SB)
Ground
Brake fluid level switch sig-
nal
Input
Power
switch
ON
Brake fluid level is normal
Battery voltage
The brake fluid level is low-
er than the low level
0 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
–
Signal name
Input/
Output
JSNIA3745GB
JSNIA3746GB
WCS-30
< ECU DIAGNOSIS INFORMATION >
COMBINATION METER
26
(B)
Ground Illumination control signal
Output
Power
switch
ON
• Lighting switch 1ST posi-
tion
• When meter illumination
is maximum
Battery voltage
• Lighting switch 1ST posi-
tion
• When meter illumination
is step 6
• Lighting switch 1ST posi-
tion
• When meter illumination
is minimum
0 V
27
(R)
Ground
Air bag signal
Input
Power
switch
ON
Air bag warning lamp ON
Battery voltage
Air bag warning lamp OFF
0 V
28
(R)
Ground
Security signal
Input
Power
switch
ON
Security indicator lamp ON
0 V
Security indicator lamp
OFF
Battery voltage
30
(GR)
Ground
Vehicle speed signal
(8-pulse)
Output
Power
switch
ON
Speedometer operated
[When vehicle speed is ap-
prox. 40 km/h (25 MPH)]
NOTE:
The maximum voltage varies de-
pending on the specification
(destination unit).
32
(W)
Ground
Communication signal
(METER
→ UPPER)
Output
Power
switch
ON
—
NOTE:
Reference waveform
33
(G)
Ground
Clock signal
Output
Power
switch
ON
—
NOTE:
Reference waveform
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
–
Signal name
Input/
Output
JPNIA1686GB
JPNIA1687GB
JSNIA0012GB
JSNIA3767GB
JSNIA3768GB
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