Nissan X-Trail 32. Manual — part 941
ECM
EC-893
< ECU DIAGNOSIS INFORMATION >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
67
(W)
—
Glow plug control unit (diag-
nosis)
Input
[Engine is running]
• Idle speed
• No malfunction in glow control
system.
1.50 V
68
(G)
8
(B)
Engine communication line
Input/
Output
[Ignition switch: ON]
69
(GR)
8
(B)
Low pressure EGR volume
control valve position sensor
Input
Ignition switch: ON
1.21 V
Output voltage varies with low
pressure EGR control valve po-
sition.
70
(Y)
—
Sensor ground
(Camshaft position sensor)
—
—
—
71
(L)
70
(Y)
Camshaft 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 is 2,000 rpm
73
(B)
—
Sensor ground
(Fuel rail pressure sensor)
—
—
—
74
(BR)
82
(V)
Intake air temperature sen-
sor 1
Input
[Engine is running]
• Warm-up condition
2.38 V
Output voltage varies with intake
air temperature.
76
(BR)
8
(B)
Thermoplunger diagnosis 2
Input
[Engine is running]
• Idle speed
• No malfunction in ther-
moplunger system.
13.9 V
77
(L)
66
(SB)
Fuel rail pressure sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
1.13 V
[Engine is running]
• Warm-up condition
• Revving engine from idle to
2,000 rpm quickly
1.77 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JSBIA4817ZZ
JSBIA4818ZZ
JSBIA4819ZZ
EC-894
< ECU DIAGNOSIS INFORMATION >
[R9M]
ECM
78
(GR)
82
(V)
Mass air flow sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
4.49 V
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
4.58 V
80
(W)
8
(B)
PNP signal
Input
[Ignition switch: ON]
• Selector lever: Neutral
11.88 V
[Ignition switch: ON]
• Selector lever: Except above
0 V
81
(P)
—
Sensor ground
(Turbocharger boost sensor,
Intake air temperature sen-
sor 2)
—
—
—
82
(V)
—
Sensor ground
(Mass air flow sensor, intake
air temprature sensor 1)
—
—
—
85
(G)
81
(P)
Turbocharger boost sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
1.17 V
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
1.15 V
86
(R)
81
(P)
Intake air temperature sen-
sor 2
Input
[Engine is running]
• Warm-up condition
• Idle speed
2.33 V
Output voltage varies with intake
air temperature.
88
(W)
66
(SB)
Fuel pressure sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
1.13 V
[Engine is running]
• Warm-up condition
• Revving engine from idle to
2,000 rpm quickly
1.77 V
89
(BR)
8
(B)
A/F sensor heater
Input
[Engine is running]
After the vehicles is driven for 6
minutes under the following con-
ditions
• Warm-up condition
• Vehicle speed: 80 km/h (50
MPH) or more
• Shift lever: Suitable gear posi-
tion
91
(G)
73
(B)
Sensor power supply
(Fuel rail pressure sensor)
—
[Ignition switch: ON]
5.0 V
93
(B)
8
(B)
Fuel heater relay control
Output
[Ignition switch: ON]
• Fuel temperature: less than
45
°
C (113
°
F)
0.05 V
[Engine is running]
• Warm-up condition
• Fuel temperature: 65
°
C
(149
°
F) or more
14.43 V
96
(R)
8
(B)
Power supply for ECM
(back-up)
Input
[Ignition switch: OFF]
0 V
[Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14 V)
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JSBIA4820ZZ
ECM
EC-895
< ECU DIAGNOSIS INFORMATION >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
98
(P)
24
(R)
Fuel temperature sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
2.22 V
Output voltage varies with fuel
temperature.
99
(L)
141
(V)
Sensor power supply
(Refrigerant pressure sen-
sor)
—
[Ignition switch: ON]
5.0 V
100
(R)
117
(Y)
Sensor power supply
(DPF differential pressure
sensor)
—
[Ignition switch: ON]
5.0 V
102
(G)
—
Sensor ground
(Fuel temperature sensor)
—
—
—
103
(GR)
—
Sensor ground
(Throttle position sensor)
—
—
—
104
(LG)
117
(Y)
Sensor power supply
(Exhaust throttle position
sensor)
—
[Ignition switch: ON]
5.0 V
105
(LG)
109
(V)
Exhaust gas temperature
sensor 2
Input
[Engine is running]
• Warm-up condition
• Idle speed
4.16 V
Output voltage varies with ex-
haust gas temperature.
106
(BG)
110
(L)
High pressure EGR volume
control valve control position
sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
0.73 V
107
(Y)
103
(GR)
Throttle position sensor
Input
[Ignition switch: OFF]
For 20 seconds after turning igni-
tion switch OFF
NOTE:
Repeat several times opening
and shutting after turning ignition
switch OFF.
0 – 4.45 V
Output voltage fluctuates be-
tween 0 V and 4.0 V.
108
(R)
110
(L)
Sensor power supply
(High pressure EGR volume
control valve control position
sensor)
—
[Ignition switch: ON]
5.0 V
109
(V)
—
Sensor ground
(Exhaust gas temperature
sensor 2)
—
—
—
110
(L)
—
Sensor ground
(High pressure EGR volume
control valve control position
sensor)
—
—
—
112
(LG)
125
(W)
Sensor power supply
(Intale manifold runner con-
trol valve position sensor)
—
[Ignition switch: ON]
5.0 V
113
(R)
117
(Y)
Exhaust throttle position
sensor
Input
Ignition switch: ON
4.02 V
115
(B)
116
(W)
A/F sensor voltage nernst 1
Input
[Engine is running]
• Warm-up condition
0.01 - 0.28 V
116
(W)
—
Sensor ground
[Air fuel ratio (A/F) sensor 1]
—
—
—
117
(Y)
—
Sensor ground
(Exhaust throttle position
sensor)
—
—
—
119
(BG)
116
(W)
A/F sensor current pump 1
Input
[Engine is running]
• Warm-up condition
0.01 - 0.11 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
EC-896
< ECU DIAGNOSIS INFORMATION >
[R9M]
ECM
121
(L)
125
(W)
Intake manifold runner con-
trol valve position sensor
Input
Ignition switch: ON
4.42 V
122
(Y)
117
(Y)
DPF differential pressure
sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
0.52 V
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
0.55 V
125
(W)
—
Sensor ground
(Intake manifold runner con-
trol valve position sensor)
—
—
—
126
(W)
—
Sensor ground
(Exhaust gas pressure sen-
sor)
—
—
—
129
(P)
8
(B)
Engine coolant temperature
sensor
Input
Engine coolant temperature:
25
°
C (77
°
F)
2.89 V
Engine coolant temperature:
80
°
C (176
°
F)
0.84 V
132
(BR)
147
(GR)
Exhaust electric throttle con-
trol motor (+)
Output
[Engine is running]
• Engine coolant temperature:
more than 70
°
C (158
°
F)
• Intake air temperature: more
than 20
°
C (68
°
F)
• Idle speed
133
(B)
8
(B)
Sensor power supply
(Engine coolant temperature
sensor)
—
[Ignition switch: ON]
5.0 V
134
(R)
—
Sensor ground
(Exhaust gas temperature
sensor 1)
—
—
—
136
(W)
8
(B)
Low pressure EGR volume
control valve motor (-)
Output
[Engine is running]
• Engine coolant temperature:
more than 70
°
C (158
°
F)
• Intake air temperature: more
than 20
°
C (68
°
F)
• Idle speed
NOTE:
The duty cycle changes depend-
ing on low pressure EGR volume
control valve operation.
137
(SB)
141
(V)
Refrigerant pressure sensor
Input
[Engine is running]
• Warm-up condition
• Both A/C switch and blower
fan switch: ON (Compressor
operates)
1.52 V
138
(L)
134
(R)
Exhaust gas pressure sen-
sor
Input
[Engine is running]
• Warm-up condition
• Idle speed
0.88 V
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
0.11 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JSBIA4821ZZ
JSBIA4822ZZ
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