Nissan X-Trail 32. Instruction — part 742
ECM
EC-97
< ECU DIAGNOSIS INFORMATION >
[MR20DD]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
45
(G)
128
(B)
LIN communication line
Input/
Output
[Ignition switch: ON]
12 V
46
(LG)
42
(B)
Exhaust valve timing control
position sensor
Input
[Engine is running]
• Engine: after warming up
• Idle speed
NOTE:
The pulse cycle changes depend-
ing on rpm at idle.
1.0 – 2.0
[Engine is running]
• Engine: after warming up
• Engine speed: 2,000 rpm
1.0 – 2.0
48
(GR)
44
(BR)
Crankshaft position sensor
Input
[Engine is running]
• Engine: after warming up
• Idle speed
NOTE:
The pulse cycle changes depend-
ing on rpm at idle.
4.0 V
[Engine is running]
• Engine: after warming up
• Engine speed: 2,000 rpm
4.0 V
49
(Y)
55
(GR)
Fuel injector driver power
supply 1
Input
[Engine is running]
• Engine: after warming up
• Idle speed
BATTERY VOLTAGE
(11 – 14 V)
50
(V)
54
(BR)
High pressure fuel pump re-
lay
Input
[Engine is running]
• Engine: after warming up
• Idle speed
BATTERY VOLTAGE
(11 – 14 V)
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JPBIA4273ZZ
JPBIA4730ZZ
JPBIA4731ZZ
JPBIA4728ZZ
JPBIA4729ZZ
EC-98
< ECU DIAGNOSIS INFORMATION >
[MR20DD]
ECM
51
(W)
54
(BR)
High pressure fuel pump(HI)
Output
[Engine is running]
• Engine: after warming up
• Idle speed
NOTE:
The pulse cycle changes depend-
ing on rpm at idle.
BATTERY VOLTAGE
(11 – 14 V)
[Engine is running]
• Engine: after warming up
• Engine speed: 2,000 rpm
BATTERY VOLTAGE
(11 – 14 V)
52
(B)
128
(B)
High pressure fuel pump(LO)
Output
[Engine is running]
• Engine: after warming up
• Idle speed
NOTE:
The pulse cycle changes depend-
ing on rpm at idle.
BATTERY VOLTAGE
(11 – 14 V)
[Engine is running]
• Engine: after warming up
• Engine speed: 2,000 rpm
BATTERY VOLTAGE
(11 – 14 V)
53
(W)
55
(GR)
Fuel injector driver power
supply 2
Input
[Engine is running]
• Engine: after warming up
• Idle speed
BATTERY VOLTAGE
(11 – 14 V)
54
(BR)
—
ECM ground (High pressure
fuel pump)
—
—
—
55
(GR)
—
ECM ground (Fuel injector)
—
—
—
56
(B)
—
ECM ground (Fuel injector)
—
—
—
57
(Y)
59
(B)
Heated oxygen sensor 2
Input
[Engine is running]
• Revving engine from idle to 3,000
rpm quickly after the following
conditions are met
- Engine: after warming up
- Keeping the engine speed be-
tween 3,500 and 4,000 rpm for 1
minute and at idle for 1 minute un-
der no load
0 – 1.0 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JPBIA4722ZZ
JPBIA4723ZZ
JPBIA4724ZZ
JPBIA4725ZZ
ECM
EC-99
< ECU DIAGNOSIS INFORMATION >
[MR20DD]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
59
(B)
—
Sensor ground (Heated oxy-
gen sensor 2)
—
—
—
60
(R)
75
(B)
Sensor power supply (Throt-
tle position sensor 1, throttle
position sensor 2)
—
[Ignition switch: ON]
5 V
62
(B)
—
Shield
—
—
—
63
(G)
75
(B)
Throttle position sensor 1
Input
[Ignition switch: ON]
• Engine stopped
• Selector lever: D position
• Accelerator pedal: Fully released
More than 0.36 V
[Ignition switch: ON]
• Engine stopped
• Selector lever: D position
• Accelerator pedal: Fully de-
pressed
Less than 4.75 V
64
(Y)
128
(B)
Air fuel ratio (A/F) sensor 1
Input
[Engine is running]
• Engine: after warming up
• Engine speed: 2,000 rpm
2.2 V
Varies with air fuel ratio.
65
(W)
128
(B)
Throttle control motor power
supply
Input
[Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14 V)
69
(R)
128
(B)
Throttle control motor
(OPEN)
Output
[Ignition switch: ON]
• Engine: Stopped
• Selector lever: D position
• Accelerator pedal: Fully de-
pressed
3.2 V
70
(—)
—
Shield
—
—
—
71
(W)
75
(B)
Throttle position sensor 2
Input
[Ignition switch: ON]
• Engine stopped
• Selector lever: D position
• Accelerator pedal: Fully released
Less than 4.75 V
[Ignition switch: ON]
• Engine stopped
• Selector lever: D position
• Accelerator pedal: Fully de-
pressed
More than 0.36 V
72
(G)
128
(B)
Air fuel ratio (A/F) sensor 1
Input
[Ignition switch: ON]
1.8 V
73
(L)
128
(B)
Throttle control motor
(CLOSE)
Output
[Ignition switch: ON]
• Engine stopped
• Selector lever: D position
• Accelerator pedal: Fully released
1.8 V
75
(B)
—
Sensor ground (Throttle po-
sition sensor 1, throttle posi-
tion sensor 2)
—
—
—
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JMBIA0324GB
JMBIA0326GB
EC-100
< ECU DIAGNOSIS INFORMATION >
[MR20DD]
ECM
77
(BG)
128
(B)
EVAP canister purge volume
control solenoid valve
Output
[Engine is running]
• Idle speed
• Accelerator pedal: Fully released
after starting engine
BATTERY VOLTAGE
(11 – 14 V)
[Engine is running]
• Engine speed: 2,000 rpm (Pass-
ing 100 seconds after starting en-
gine)
10 V
78
(Y)
128
(B)
Ignition signal No.1
Ignition signal No.2
Ignition signal No.3
Ignition signal No.4
Output
[Engine is running]
• Engine: after warming up
• Idle speed
NOTE:
The pulse cycle changes depend-
ing on rpm at idle.
0 – 0.3 V
82
(BR)
86
(W)
[Engine is running]
• Engine: after warming up
• Engine speed: 2,000 rpm
0.2 – 0.5 V
90
(SB)
79
(V)
128
(B)
Intake manifold runner con-
trol valve power supply
Input
[Engine is running]
• Engine: after warming up
• Idle speed
BATTERY VOLTAGE
(11 – 14 V)
80
(V)
128
(B)
Throttle control motor relay
Output
[Ignition switch: OFF]
BATTERY VOLTAGE
(11 – 14 V)
[Ignition switch: ON]
0 – 1.0 V
81
(G)
128
(B)
Intake manifold runner con-
trol valve (CLOSE)
Output
[Engine is running]
• Engine: after warming up
• Idle speed
0 V
[Engine is running]
• Engine: after warming up
• No load
• When the engine speed is de-
creased from 3,000 rpm to idle
speed (Accelerator pedal is re-
leased)
Generates a voltage for a mo-
ment
(11 – 14 V)
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JMBIA0327GB
JMBIA0328GB
JPBIA4733ZZ
JPBIA4734ZZ
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