Nissan X-Trail 32. Instruction — part 940
ECM
EC-889
< ECU DIAGNOSIS INFORMATION >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
ECU DIAGNOSIS INFORMATION
ECM
Reference Value
INFOID:0000000010935587
TERMINAL LAYOUT
PHYSICAL VALUES
NOTE:
• ECM is located near the battery in the engine room.
• Specification data are reference values and are measured between each terminal and ground.
• Pulse signal is measured by CONSULT.
JSBIA5267GB
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
1
(B)
—
ECM ground
—
—
—
2
(W)
3
(Y)
Accelerator pedal position
sensor 1
Input
[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully re-
leased
0.74 V
[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully de-
pressed
4.54 V
3
(Y)
—
Sensor ground
(Accelerator pedal position
sensor 1)
—
—
—
4
(B)
—
ECM ground
—
—
—
5
(L)
8
(B)
Power supply for ECM
Input
[Ignition switch: OFF]
0 V
[Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14 V)
6
(G)
3
(Y)
Sensor power supply
(Accelerator pedal position
sensor 1)
—
[Ignition switch: ON]
5 V
8
(B)
—
ECM ground
—
—
—
9
(L)
8
(B)
Fuel heater and water in fuel
level sensor
Input
[Ignition switch: ON]
11.69 V
[Engine is running]
• Warm-up condition
• Idle speed
14.0 V
10
(L)
12
(P)
Sensor power supply
(Accelerator pedal position
sensor 2)
—
[Ignition switch: ON]
5 V
EC-890
< ECU DIAGNOSIS INFORMATION >
[R9M]
ECM
11
(V)
12
(P)
Accelerator pedal position
sensor 2
Input
[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully re-
leased
0.38 V
[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully de-
pressed
0.27 V
12
(P)
—
Sensor ground
(Accelerator pedal position
sensor 2)
—
—
—
16
(R)
*1
(BG)
*2
8
(B)
Brake pedal position
switch
*1
Stop lamp switch
*2
Input
[Ignition switch: OFF]
• Brake pedal: Fully released
0 V
[Ignition switch: OFF]
• Brake pedal: Slightly de-
pressed
11.83 V
17
(LG)
8
(B)
Ignition switch
Input
[Ignition switch: ON]
11.87 V
18
(G)
19
(BR)
ASCD steering switch
Input
[Ignition switch: ON]
• ASCD steering switch: OFF
4 V
[Ignition switch: ON]
• CANCEL switch: Pressed
1 V
[Ignition switch: ON]
• RES/+ switch: Pressed
3 V
[Ignition switch: ON]
• SET/
−
switch: Pressed
2 V
19
(BR)
—
Sensor ground
(ASCD steering switch)
—
—
—
20
(BR)
8
(B)
Fuel pump control module
(command)
Output
[Ignition switch: ON]
Fuel pump not activates
0.05 V
(PWM duty: less than 14%)
[Ignition switch: ON]
Fuel pump activated
0 – 6.74 V
(PWM duty: Approx. 69%)
22
(G)
8
(B)
Fuel pump control module
(diagnosis)
Input
[Ignition switch: ON]
11.0 V
23
(V)
8
(B)
Speed limiter MAIN switch
Input
[Ignition switch: ON]
Speed limiter MAIN switch: OFF
0 V
[Ignition switch: ON]
Speed limiter MAIN switch: ON
Battery voltage
(11 - 14 V)
24
(R)
8
(B)
Clutch pedal position
switch
*2
Input
[Ignition switch: ON]
• Clutch pedal: Fully released
0 V
[Ignition switch: ON]
• Clutch pedal: Fully depressed
11.25 V
27
(V)
8
(B)
Clutch interlock switch
*2
Input
[Ignition switch: ON]
• Engine stopped
• Clutch pedal: Fully released
0 V
[Ignition switch: ON]
• Engine stopped
• Clutch pedal: Fully depressed
BATTERY VOLTAGE
(11 - 14 V)
30
(BR)
8
(B)
ASCD MAIN switch
Input
[Ignition switch: ON]
ASCD MAIN switch: OFF
0 V
[Ignition switch: ON]
ASCD MAIN switch: ON
Battery voltage
(11 - 14 V)
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
ECM
EC-891
< ECU DIAGNOSIS INFORMATION >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
31
(P)
—
CAN communication line
(CAN-L)
Input/
Output
—
—
32
(L)
—
CAN communication line
(CAN-H)
Input/
Output
—
—
35
(R)
8
(B)
Glow plug control (com-
mand)
Output
[Engine is running]
• Engine coolant temperature:
less than 20
°
C (68
°
F)
• Idle speed
12.91 V
[Engine is running]
• Engine coolant temperature:
more than 80
°
C (176
°
F)
• Idle speed
12.8 V
37
(LG)
8
(B)
Voltage stabilizer signal
Output
[Stop/start system operates]
• While cranking of restart
(While operating the starter mo-
tor)
[Engine is running]
• Warm-up condition
• Idle speed
Battery voltage
[Ignition switch: ON]
12.39 V
38
(GR)
8
(B)
Fuel pump relay control
Output
[Ignition switch: ON]
• Fuel Pump relay always is on
0 – 5.17 V
41
(G)
8
(B)
ECM relay
(Self shut-off)
Output
[Engine is running]
[Ignition switch: OFF]
• A few seconds after turning ig-
nition switch OFF
0.78 V
[Ignition switch: OFF]
• More than a few seconds after
turning ignition switch OFF
12.42 V
42
(Y)
8
(B)
Restart relay
Output
[Stop/start system operate]
• While cranking of restart
0 V
(While operating the starter mo-
tor)
[Engine is running]
• Warm-up condition
• Idle speed
11.38 V
43
(R)
8
(B)
Fuel flow actuator
Output
[Engine is running]
• Warm-up condition
• Idle speed
9.6 V
46
(V)
8
(B)
Thermoplunger relay 2
Output
[Engine is running]
During diesel particulate filter re-
generation mode
0 V
[Engine is running]
Except above
13.20 V
49
(P)
8
(B)
Intake manifold runner con-
trol valve motor (-)
Output
[Engine is running]
• Warm-up condition
• Idle speed
14.43 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JSBIA5055GB
EC-892
< ECU DIAGNOSIS INFORMATION >
[R9M]
ECM
50
(BG)
8
(B)
Thermoplunger relay 1
Output
[Engine is running]
During diesel particulate filter re-
generation mode
0 V
[Engine is running]
Except above
13.68 V
53
(Y)
8
(B)
Engine coolant bypass con-
trol solenoid valve
Output
[Engine is running]
Engine cooling temperature:
70
°
C (158
°
F) or more
14.42 V
[Engine is running]
Engine coolant temperature:
less than 30
°
C (86
°
F)
14.42 V
55
(R)
8
(B)
Sensor power supply
(Low pressure EGR volume
control valve position sen-
sor)
—
[Ignition switch: ON]
5 V
56
(B)
8
(B)
Crankshaft position sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle
[Engine is running]
• Engine speed: 2,000 rpm
57
(SB)
8
(B)
Thermoplunger relay 3
Output
[Engine is running]
During diesel particulate filter re-
generation mode
0 V
[Engine is running]
Except above
13.67 V
59
(Y)
8
(B)
Sensor power supply
(Turbocharger boost sensor,
mass air flow sensor)
—
[Ignition switch: ON]
5.0 V
60
(R)
8
(B)
Sensor power supply
(Crankshaft position sensor)
—
[Ignition switch: ON]
5.0 V
63
(LG)
8
(B)
Thermoplunger diagnosis 1
Input
[Engine is running]
• Idle speed
• No malfunction in ther-
moplunger system.
13.97 V
65
(SB)
—
Sensor ground
(Low pressure EGR volume
control valve position sen-
sor)
—
—
—
66
(SB)
—
Sensor ground
(Fuel pressure sensor)
—
—
—
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JSBIA4815ZZ
JSBIA4816ZZ
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