Nissan X-Trail 32. Manual — part 845
ECM
EC-509
< ECU DIAGNOSIS INFORMATION >
[QR25DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
43
(LG)
42
(B)
Exhaust valve timing con-
trol position sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes depending
on rpm at idle
1.0 - 2.0
[Engine is running]
• Engine speed is 2,000 rpm
1.0 - 2.0
44
(Y)
—
Sensor power supply
[Exhaust valve timing
control position sensor]
—
[Ignition switch: ON]
5 V
45
(G)
128
(BR)
A/F sensor 1
Input
[Engine is running]
• Engine speed is 2,000 rpm
1.8 V
Output voltage varies with air fuel
ratio.
49
(G)
128
(BR)
Intake manifold runner
control valve motor
(Close)
Output
[Ignition switch ON]
• Engine coolant temperature: Be-
tween -7
°
C (19
°
F) and 60
°
C (140
°
F)
• Accelerator pedal: Depressed
→
ful-
ly released
Battery voltage appears for about
1 second.
50
(V)
128
(BR)
Intake manifold runner
control valve motor power
supply
Input
[Ignition switch: ON]
Battery voltage
(11 - 14 V)
51
(Y)
128
(BR)
Intake manifold runner
control valve motor
(Open)
Output
[Ignition switch ON]
• Engine coolant temperature: Be-
tween -7
°
C (19
°
F) and 60
°
C (140
°
F)
• Accelerator pedal: Fully released
→
depressed
Battery voltage appears for about
1 second.
52
(B)
—
ECM ground
—
—
—
53
(P)
128
(BR)
A/F sensor 1 heater
Input
[Engine is running]
• Warm-up condition
• Idle speed
(More than 140 seconds after start-
ing engine)
2.9 - 8.8 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JPBIA4730ZZ
JPBIA4731ZZ
JPBIA4732ZZ
EC-510
< ECU DIAGNOSIS INFORMATION >
[QR25DE]
ECM
54
(V)
128
(BR)
Heated oxygen sensor 2
heater
Output
[Engine is running]
• Engine speed: Below 3,600 rpm af-
ter the following conditions are met
- Engine: after warming up
- Keeping the engine speed between
3,500 and 4,000 rpm for 1 minute
and at idle for 1 minute under no
load
10 V
[Ignition switch: ON]
• Engine stopped
[Engine is running]
• Engine speed: Above 3,600 rpm
Battery voltage
(11 - 14 V)
56
(GR)
128
(BR)
Intake valve timing inter-
mediate lock control sole-
noid valve
Output
[Engine is running]
• Warm-up condition
• Idle speed
0 V
[Engine is running]
• Cold condition [Engine coolant tem-
perature: below 60
°
C (140
°
F)]
• Idle speed
Battery voltage
(11 - 14 V)
70
(BR)
—
Sensor ground
[Crankshaft position sen-
sor (POS)]
—
—
—
71
(GR)
70
(BR)
Crankshaft position sen-
sor (POS)
Input
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes depending
on rpm at idle
4.0 V
[Engine is running]
• Engine speed: 2,000 rpm
4.0 V
72
(L)
—
Sensor power supply
[Crankshaft position sen-
sor (POS)]
—
[Ignition switch: ON]
5.0 V
73
(—)
—
Shield
—
—
—
77
(W)
78
(B)
Throttle position sensor 2
Input
[Ignition switch: ON]
• Engine stopped
• Selector lever: D
• Accelerator pedal: Fully released
Less than 4.75 V
[Ignition switch: ON]
• Engine stopped
• Selector lever: D
• Accelerator pedal: Fully depressed
More than 0.36 V
78
(B)
—
Sensor ground
(Throttle position sensor
1, 2)
—
—
—
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JMBIA0325GB
JPBIA4728ZZ
JPBIA4729ZZ
ECM
EC-511
< ECU DIAGNOSIS INFORMATION >
[QR25DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
79
(G)
78
(B)
Throttle position sensor 1
Input
[Ignition switch: ON]
• Engine stopped
• Selector lever: D
• Accelerator pedal: Fully released
More than 0.36 V
[Ignition switch: ON]
• Engine stopped
• Selector lever: D
• Accelerator pedal: Fully depressed
Less than 4.75 V
80
(R)
—
Sensor power supply
(Throttle position sensor)
—
[Ignition switch: ON]
5.0 V
83
(L)
92
(LG)
Intake manifold runner
control valve position sen-
sor
Input
[Ignition switch ON]
• Engine coolant temperature: Be-
tween -7
°
C (19
°
F) and 60
°
C (140
°
F)
• Accelerator pedal: Fully released
Less than 1.4 V
[Ignition switch ON]
• Engine coolant temperature: Be-
tween -7
°
C (19
°
F) and 60
°
C (140
°
F)
• Accelerator pedal: Slightly de-
pressed
More than 2.8 V
84
(V)
—
Sensor power supply
(Intake manifold runner
control valve position sen-
sor)
—
[Ignition switch: ON]
5.0 V
85
(G)
—
Lin communication line
Input/
Output
—
—
86
(Y)
128
(BR)
Ignition signal No. 1
Output
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes depending
on rpm at idle
0 - 0.1 V
87
(BR)
Ignition signal No. 2
90
(W)
Ignition signal No. 3
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
0 - 0.2 V
91
(SB)
Ignition signal No. 4
89
(P)
128
(BR)
ECM relay
(Self shut-off)
Output
[Engine is running]
[Ignition switch: OFF]
• A few seconds after turning ignition
switch OFF
0 - 1.0 V
[Ignition switch: OFF]
• More than a few seconds after turn-
ing ignition switch OFF
Battery voltage
(11 - 14 V)
92
(LG)
—
Sensor ground
(Intake manifold runner
control valve position sen-
sor)
—
—
—
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JMBIA0085GB
JMBIA0086GB
EC-512
< ECU DIAGNOSIS INFORMATION >
[QR25DE]
ECM
93
(L)
128
(BR)
Intake valve timing control
solenoid valve
Output
[Engine is running]
• Warm-up condition
• Idle speed
0 V
[Engine is running]
• Warm-up condition
• When revving engine up to
2,000rpm Quickly
Battery voltage
(11 - 14 V)
94
(BR)
128
(BR)
Exhaust valve timing con-
trol solenoid valve
Output
[Engine is running]
• Warm-up condition
• Idle speed
0 V
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
Battery voltage
(11 - 14 V)
99
(P)
—
CAN communication line
(CAN-L)
Input/
Output
—
—
100
(L)
—
CAN communication line
(CAN-H)
Input/
Output
—
—
103
(Y)
124
(W)
Refrigerant pressure sen-
sor
Input
[Engine is running]
• Warm-up condition
• Both A/C switch and blower fan mo-
tor switch: ON (Compressor oper-
ates)
1.0 - 4.0 V
104
(R)
—
Sensor power supply
(Refrigerant pressure
sensor)
—
[Ignition switch: ON]
5.0 V
109
(LG)
128
(BR)
Ignition switch
Input
[Ignition switch: OFF]
0 V
[Ignition switch: ON]
Battery voltage
(11 - 14 V)
110
(G)
111
(BR)
ASCD steering switch
Input
[Ignition switch: ON]
• ASCD steering switch: OFF
4 V
[Ignition switch: ON]
• MAIN switch: Pressed
0 V
[Ignition switch: ON]
• CANCEL switch: Pressed
1 V
[Ignition switch: ON]
• ACCEL/RES switch: Pressed
3 V
[Ignition switch: ON]
• COAST/SET switch: Pressed
2 V
111
(BR)
—
Sensor ground
(ASCD steering switch)
—
—
—
115
(V)
128
(BR)
Stop lamp switch
Input
[Ignition switch: OFF]
• Brake pedal: Fully released
0 V
[Ignition switch: OFF]
• Brake pedal: Slightly depressed
Battery voltage
(11 - 14 V)
116
(GR)
128
(BR)
Brake pedal position
switch
Input
[Ignition switch: OFF]
• Brake pedal: Fully released
Battery voltage
(11 - 14 V)
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JMBIA1638GB
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