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