Nissan Quest E52. Instruction — part 1249
WCS-26
< ECU DIAGNOSIS INFORMATION >
COMBINATION METER
5
(B/P)
Ground
Illumination control signal
Output
Ignition
switch
ON
• Lighting switch 1ST posi-
tion
• When meter illumination
is maximum
• Lighting switch 1ST posi-
tion
• When meter illumination
is step 11
• Lighting switch 1ST posi-
tion
• When meter illumination
is minimum
12 V
8
(SB)
10
(P)
Trip reset switch signal
Input
Ignition
switch
ON
When trip reset switch is
pressed
0 V
Other than the above
5 V
10
(P)
Ground
Meter control switch ground
—
Ignition
switch
ON
—
0 V
11
(G)
10
(P)
Enter switch signal
Input
Ignition
switch
ON
When
switch (enter
switch) is pressed
0 V
Other than the above
5 V
12
(BR)
10
(P)
Select switch signal
Input
Ignition
switch
ON
When
switch
(select
switch) is pressed
0 V
Other than the above
5 V
13
(Y)
10
(P)
Illumination control switch
signal (+)
Input
Ignition
switch
ON
When
switch [illumi-
nation control switch (+)] is
pressed
0 V
Other than the above
5 V
14
(V)
10
(P)
Illumination control switch
signal (
−
)
Input
Ignition
switch
ON
When
switch
[illumi-
nation control switch (
−
)] is
pressed
0 V
Other than the above
5 V
15
(BR)
—
Air bag signal
Input
—
—
—
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
–
Signal name
Input/
Output
JPNIA1687GB
JPNIA1686GB
WCS
COMBINATION METER
WCS-27
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
16
(L)
Ground
Engine coolant tempera-
ture signal
Output
Ignition
switch
ON
At idle [after warming up,
approx. 20
°
C (68
°
F)]
At idle [after warming up,
approx. 80
°
C (176
°
F)]
18
(LG)
Ground
Ambient sensor signal
Input
Ignition
switch
ON
—
19
(R)
Ground
A/C auto amp. connection
recognition signal
Input
Ignition
switch
ON
—
5 V
20
(Y)
Ground
Ambient sensor ground
—
Ignition
switch
ON
—
0 V
21
(L)
—
CAN-H
—
—
—
—
22
(P)
—
CAN-L
—
—
—
—
23
(B)
Ground
Ground
—
Ignition
switch
ON
—
0 V
24
(B)
Ground
Fuel level sensor ground
—
Ignition
switch
ON
—
0 V
25
(BR)
Ground
Alternator signal
Input
Ignition
switch
ON
Charge warning lamp ON
12 V
Charge warning lamp OFF
0 V
26
(BR)
Ground
Parking brake switch signal
Input
Ignition
switch
ON
Parking brake applied.
0 V
Parking brake released.
12 V
27
(Y)
Ground
Brake fluid level switch sig-
nal
Input
Ignition
switch
ON
Brake fluid level is normal
12 V
Brake fluid level is less than
LOW level
0 V
28
(V)
Ground
Security signal
Input
Ignition
switch
ON
Security indicator lamp ON
0 V
Security indicator lamp
OFF
12 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
–
Signal name
Input/
Output
JSNIA3528ZZ
JSNIA3530ZZ
JSNIA0014GB
WCS-28
< ECU DIAGNOSIS INFORMATION >
COMBINATION METER
Fail-Safe
INFOID:0000000009864206
FAIL-SAFE
The combination meter activates the fail-safe control if CAN communication with each unit is malfunctioning.
29
(G)
Ground
Washer level switch signal
Input
Ignition
switch
ON
Washer level switch ON
0 V
Washer level switch OFF
5 V
31
(SB)
Ground
Vehicle speed signal
(8-pulse)
Output
Ignition
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
(P)
Ground
Overdrive control switch
signal
Input
Ignition
switch
ON
When overdrive control
switch is pressed
0 V
Other than the above
5 V
34
(O)
24
(B)
Fuel level sensor signal
Input
Ignition
switch
ON
—
MWI-78, "Component Inspec-
tion"
35
(P)
Ground
Seat belt buckle switch sig-
nal (driver side)
Input
Ignition
switch
ON
When driver seat belt is fas-
tened
5 V
When driver seat belt is un-
fastened
0 V
36
(BR)
—
Passenger seat belt warn-
ing signal
Input
—
—
—
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
–
Signal name
Input/
Output
JSNIA0012GB
Function
Specifications
Speedometer
Reset to zero by suspending communication.
Tachometer
Engine coolant temperature gauge
Illumination control
When suspending communication, changes to nighttime
mode.
WCS
COMBINATION METER
WCS-29
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
DTC Index
INFOID:0000000009864207
Information dis-
play
Odo/trip meter
An indicated value is maintained at communications blackout.
Shift position indicator
The display turns OFF by suspending communication.
Interrupt indication
Door open warning
The display turns OFF by suspending communication.
Fuel filler cap warning
Low tire pressure warn-
ing
Trip computer
Current fuel consump-
tion
• When reception time of an abnormal signal is 2 seconds or
less, the last received datum is used for calculation to indi-
cate the result.
• When reception time of an abnormal signal is more than two
seconds, the last calculation results are indicated.
Average fuel consump-
tion
Distance to empty
Average vehicle speed
Travel distance
Buzzer
The buzzer turns OFF by suspending communication.
Warning lamp/in-
dicator lamp
ABS warning lamp
The lamp turns ON by suspending communication.
VDC warning lamp
Brake warning lamp
EPS warning lamp
Malfunction indicator lamp
Low tire pressure warning lamp
The lamp blinking caused by suspending communication.
High beam indicator lamp
The lamp turns OFF by suspending communication.
Turn signal indicator lamp
VDC OFF indicator lamp
O/D OFF indicator lamp
Position lamp indicator lamp
CRUISE indicator lamp
Oil pressure warning lamp
BSW warning lamp
Key warning lamp
Function
Specifications
Display contents of CONSULT
Diagnostic item is detected when...
Refer to
CAN COMM CIRCUIT
[U1000]
When combination meter is not transmitting or receiving CAN communication signal
for 2 seconds or more.
CONTROL UNIT (CAN)
[U1010]
When detecting error during the initial diagnosis of the CAN controller of combina-
tion meter.
VEHICLE SPEED
[B2205]
The abnormal vehicle speed signal is input from the ABS actuator and electric unit
(control unit) for 2 seconds or more.
ENGINE SPEED
[B2267]
If ECM continuously transmits abnormal engine speed signals for 2 seconds or
more.
WATER TEMP
[B2268]
If ECM continuously transmits abnormal engine coolant temperature signals for 60
seconds or more.
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