Content .. 483 484 485 486 ..

Nissan Qashqai J11. Manual - part 485

ECM

EC9-95

< ECU DIAGNOSIS INFORMATION >

[R9M]

EC9

(R)

(B)

Power supply for ECM
(back-up)

Input

[Ignition switch: OFF]

0 V

[Ignition switch: ON]

BATTERY VOLTAGE

(11 - 14 V)

(P)

(L)

Fuel pump temperature sen-
sor

Input

[Engine is running]
• Warm-up condition
• Idle speed

2.22 V

Output voltage varies with fuel

temperature.

(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 pump temperature
sensor)

—

103

(GR)

—

Sensor ground
(Electric throttle control
valve position sensor)

—

104

(LG)

117

(Y)

Sensor power supply
(Exhaust throttle valve posi-
tion 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
(Intake 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

(V)

116

(SB)

A/F sensor voltage nernst 1

Input

[Engine is running]
• Warm-up condition

0.01 - 0.28 V

116

(SB)

—

Sensor ground
[Air fuel ratio (A/F) sensor 1]

—

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

−

Signal name

Input/

Output

EC9-96

< ECU DIAGNOSIS INFORMATION >

[R9M]

ECM

117

(Y)

—

Sensor ground
(Exhaust throttle position
sensor)

—

119

(BR)

116

(SB)

A/F sensor current pump 1

Input

[Engine is running]
• Warm-up condition

0.01 - 0.11 V

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)

(B)

Engine coolant temperature
sensor

Input

Engine coolant temperature:
25

C (77

2.89 V

Engine coolant temperature:
80

C (176

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

• Intake air temperature: more

than 20

C (68

• Idle speed

133

(B)

Sensor power supply
(Engine coolant temperature
sensor)

—

[Ignition switch: ON]

5.0 V

134

(R)

—

Sensor ground
(Exhaust gas temperature
sensor 1)

—

136

(P)

(B)

Low pressure EGR volume
control valve motor (-)

Output

[Engine is running]
• Engine coolant temperature:

more than 70

C (158

• Intake air temperature: more

than 20

C (68

• 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

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

−

Signal name

Input/

Output

JSBIA4821ZZ

JSBIA4822ZZ

ECM

EC9-97

< ECU DIAGNOSIS INFORMATION >

[R9M]

EC9

138

(L)

134

(R)

Exhaust gas temperature
sensor

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

140
(W)

(B)

Electric throttle control mo-
tor (-)

Output

[Ignition switch: OFF]
For 20 seconds after turning igni-
tion switch OFF
NOTE:
Repeat several times opening
and shutting after turning ignition
switch OFF.

[Ignition switch: OFF]
More than 20 seconds after turn-
ing ignition switch OFF

0.08 V

141

(V)

—

Sensor ground
(Refrigerant pressure sen-
sor)

—

142

(G)

—

Sensor ground
(Low pressure EGR temper-
ature sensor)

—

143

(BR)

(B)

Low pressure EGR volume
control valve motor (+)

Output

[Engine is running]
• Engine coolant temperature:

more than 70

C (158

• Intake air temperature: more

than 20

C (68

• Idle speed
NOTE:
The duty cycle changes depend-
ing on low pressure EGR volume
control valve operation.

144

(B)

High pressure EGR volume
control valve motor (+)

Input

[Engine is running]
• Engine coolant temperature:

less than 30

C (86

• Idle speed
NOTE:
The duty cycle changes depend-
ing on high pressure EGR vol-
ume control valve operation.

146

(BR)

142

(G)

Low pressure EGR temper-
ature sensor

Input

[Engine is running]
• Engine coolant temperature:

more than 70

C (158

• Intake air temperature: more

than 20

C (68

• Idle speed

0.54 V

Output voltage varies with low

pressure EGR gas temperature.

147

(GR)

(B)

Exhaust electric throttle con-
trol motor (-)

Output

[Engine is running]
• Engine coolant temperature:

more than 70

C (158

• Intake air temperature: more

than 20

C (68

• Idle speed

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

−

Signal name

Input/

Output

JSBIA4823ZZ

JSBIA4824ZZ

JSBIA4825ZZ

JSBIA4826ZZ

EC9-98

< ECU DIAGNOSIS INFORMATION >

[R9M]

ECM

148
(W)

(B)

High pressure EGR volume
control valve motor (-)

Input

[Engine is running]
• Engine coolant temperature:

less than 30

C (86

• Idle speed
NOTE:
The duty cycle changes depend-
ing on high pressure EGR vol-
ume control valve operation.

149

(R)

(B)

Turbocharger boost control
actuator

Output

[Engine is running]
Turbocharger: Not operated

8.8 V

[Engine is running]
Turbocharger: Operated

10 V

150

(Y)

134

(R)

Exhaust gas temperature
sensor 1

Input

[Engine is running]
• Warm-up condition
• Idle speed

0.91 V

Output voltage varies with ex-

haust gas temperature.

151

(G)

(B)

Engine restart bypass con-
trol relay

Output

[Engine is running]
• Warm-up condition
• Idle speed

11.53 V

[Stop/start system operate]
While cranking of restart

0 V

152

(SB)

(B)

Electric throttle control mo-
tor (+)

Output

[Ignition switch: OFF]
For 20 seconds after turning igni-
tion switch OFF
NOTE:
Repeat several times opening
and shutting after turning ignition
switch OFF.

[Ignition switch: OFF]
More than 20 seconds after turn-
ing ignition switch OFF

1.23 V

153

(Y)

(B)

FUEL INJECTOR No.4 (HI)

Output

[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle.

[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

−

Signal name

Input/

Output

JSBIA4827ZZ

JSBIA4828ZZ

JSBIA4829ZZ

JSBIA4830ZZ

Content .. 483 484 485 486 ..