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Home >> Nissan-Datsun >> 2019 >> Murano SL, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction And Basic Inspection) >> Ecu Diagnosis Information >> ECM >> Reference Value >> Physical Values
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Physical Values

NOTE:
  • ECM is located in the engine room left side near battery.
  • Specification data are reference values.
  • Pulse signal is measured by CONSULT.

Terminal No.

Description

Condition

Value

(Approx.)

+

--

Signal name

Input/Output

1

(G)

152

(B)

Throttle control motor (Close)

Output

[Ignition switch: ON]

  • Engine stopped
  • Selector lever: D position
  • Accelerator pedal: Fully released

0 - 14 V SYMBOL

SYMBOLGNSJMBIA1125GB-125Courtesy of NISSAN NORTH AMERICA, INC.

2

(R)

152

(B)

Throttle control motor power supply

Input

[Ignition switch: ON]

BATTERY VOLTAGE

(11 - 14 V)

3

(W)

152

(B)

Throttle control motor (Open)

Output

[Ignition switch: ON]

  • Engine stopped
  • Selector lever: D position
  • Accelerator pedal: Fully depressed

0 - 14 V SYMBOL

SYMBOLGNSJMBIA0031GB-031Courtesy of NISSAN NORTH AMERICA, INC.

[Ignition switch: ON]

  • Engine stopped
  • Selector lever: D position
  • Accelerator pedal: Fully released

0 - 14 V SYMBOL

SYMBOLGNSJMBIA0032GB-032Courtesy of NISSAN NORTH AMERICA, INC.

4

(GR)

--

Sensor ground

[Knock sensor (bank 1), Knock sensor (bank 2)]

--

--

--

5

(B)

4

(GR)

Knock sensor (bank 1)

Input

[Engine is running]

Idle speed

2.5 V* 1

6

(BR)

152

(B)

A/F sensor 1 heater (bank 1)

Output

[Engine is running]

  • Warm-up condition
  • Idle speed

    (More than 140 seconds after starting engine)

2.9 - 8.8 V SYMBOL

SYMBOLGNSJMBIA0902GB-902Courtesy of NISSAN NORTH AMERICA, INC.

7

(SB)

152

(B)

Heated oxygen sensor 2 heater (bank 1)

Output

[Engine is running]

Engine speed: Below 3,600 rpm after 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 SYMBOL

SYMBOLGNSJMBIA0902GB-902Courtesy of NISSAN NORTH AMERICA, INC.
  • [Ignition switch: ON]

    Engine stopped

  • [Engine is running]

    Engine speed: Above 3,600 rpm

BATTERY VOLTAGE

(11 - 14 V)

8

(G)

152

(B)

Throttle control motor relay

Output

[Ignition switch: ON -> OFF]

0 - 1.0 V -> BATTERY VOLTAGE (11 - 14 V) -> 0 V

[Ignition switch: ON]

0 - 1.0 V

9

(W)

4

(GR)

Knock sensor (bank 2)

Input

[Engine is running]

Idle speed

2.5 V* 1

10

(B)

--

ECM ground

--

--

--

11

(Y)

152

(B)

Fuel injector No. 5

Output

[Engine is running]

  • Warm-up condition
  • Engine speed: 2,000 rpm

BATTERY VOLTAGE

(11 - 14 V) SYMBOL

SYMBOLGNSJMBIA0048GB-048Courtesy of NISSAN NORTH AMERICA, INC.

12

(L)

Fuel injector No. 4

16

(SB)

Fuel injector No. 2

17

(BR)

Fuel injector No. 1

[Engine is running]

  • Warm-up condition
  • Idle speed
    NOTE: The pulse cycle changes depending on rpm at idle

BATTERY VOLTAGE

(11 - 14 V) SYMBOL

SYMBOLGNSJMBIA0047GB-047Courtesy of NISSAN NORTH AMERICA, INC.

21

(V)

Fuel injector No. 6

22

(W)

Fuel injector No. 3

13

(G)

15

(B)

Engine oil temperature sensor

Input

[Engine is running]

0 - 4.8 V

Output voltage varies with engine oil temperature.

14

(W)

18

(Y)

Engine oil pressure sensor

Input

[Engine is running]

  • Warm-up condition
  • Idle speed

1.3 V SYMBOL

SYMBOLGNSJPBIA3359Z-359Courtesy of NISSAN NORTH AMERICA, INC.

[Engine is running]

  • Warm-up condition
  • Engine speed is 2,000 rpm

2.7 V SYMBOL

SYMBOLGNSJPBIA3360Z-360Courtesy of NISSAN NORTH AMERICA, INC.

15

(B)

--

Sensor ground

(Engine oil temperature sensor, engine oil pressure sensor)

--

--

--

18

(Y)

15

(B)

Sensor power supply

(Engine oil pressure sensor)

--

[Ignition switch: ON]

5 V

25

(V)

Sensor power supply

(Refrigerant pressure sensor)

19

(W)

152

(B)

Fuel pump relay

Output

  • [Ignition switch: ON]

    For 1 second after turning ignition switch ON

  • [Engine is running]

0 - 1.0 V

20

(LG)

25

(V)

Refrigerant pressure sensor

Input

[Engine is running]

  • Warm-up condition
  • Both A/C switch and blower fan motor switch: ON (Compressor operates)

1.0 - 4.0 V

25

(V)

--

Sensor ground

(Refrigerant pressure sensor)

--

--

--

28

(LG)

40

(BR)

Sensor power supply

[Exhaust valve timing control position sensor (bank 1), exhaust valve timing control position sensor (bank 2), crankshaft position sensor (POS), mass air flow sensor]

Input

[Engine is running]

5 V

31

(BR)

35

(B)

Engine coolant temperature sensor

Input

[Engine is running]

0 - 4.8 V

Output voltage varies with engine coolant temperature.

32

(W)

152

(B)

Heated oxygen sensor 2 (bank 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 between 3,500 and 4,000 rpm for 1 minute and at idle for 1 minute under no load

0 - 1.0 V

34

(V)

40

(BR)

Intake air temperature sensor

Input

[Engine is running]

0 - 4.8 V

Output voltage varies with intake air temperature.

35

(B)

--

Sensor ground

(Heated oxygen sensor 2, engine coolant temperature sensor)

--

--

--

36

(GR)

40

(BR)

Crankshaft position sensor (POS)

Input

[Engine is running]

  • Warm-up condition
  • Idle speed
    NOTE: The pulse cycle changes depending on rpm at idle

4.0 - 5.0 V SYMBOL

SYMBOLGNSJMBIA0041GB-041Courtesy of NISSAN NORTH AMERICA, INC.

[Engine is running]

Engine speed: 2,000 rpm

4.0 - 5.0 V SYMBOL

SYMBOLGNSJMBIA0042GB-042Courtesy of NISSAN NORTH AMERICA, INC.

37

(GR)

152

(B)

Exhaust valve timing control position sensor (bank 1)

Input

[Engine is running]

  • Warm-up condition
  • Idle speed
    NOTE: The pulse cycle changes depending on rpm at idle

4.0 - 5.0 V SYMBOL

SYMBOLGNSJMBIA0043GB-043Courtesy of NISSAN NORTH AMERICA, INC.

[Engine is running]

  • Warm-up condition
  • Engine speed: 2,000 rpm

4.0 - 5.0 V SYMBOL

SYMBOLGNSJMBIA0044GB-044Courtesy of NISSAN NORTH AMERICA, INC.

38

(GR)

40

(BR)

Mass air flow sensor

Input

[Ignition switch: ON]

  • Engine stopped

3,720 Hz

GNSJSBIA2957Z-957Courtesy of NISSAN NORTH AMERICA, INC.

[Engine is running]

  • Warm-up condition
  • Idle speed

4,100 - 4,700 Hz

GNSJSBIA2957Z-957Courtesy of NISSAN NORTH AMERICA, INC.

[Engine is running]

  • Warm-up condition
  • Engine speed: idle to about 4,000 rpm
NOTE: Check for linear frequency rise in response to engine being increased to about 4,000 rpm

4,100 - 4,700 -> 8000 Hz

GNSJSBIA2957Z-957Courtesy of NISSAN NORTH AMERICA, INC.

39

(GR)

152

(B)

Exhaust valve timing control position sensor (bank 2)

Input

[Engine is running]

  • Warm-up condition
  • Idle speed
    NOTE: The pulse cycle changes depending on rpm at idle

4.0 - 5.0 V SYMBOL

SYMBOLGNSJMBIA0043GB-043Courtesy of NISSAN NORTH AMERICA, INC.

[Engine is running]

  • Warm-up condition
  • Engine speed: 2,000 rpm

4.0 - 5.0 V SYMBOL

SYMBOLGNSJMBIA0044GB-044Courtesy of NISSAN NORTH AMERICA, INC.

40

(BR)

--

Sensor ground

(Exhaust valve timing control position sensor (bank 1), exhaust valve timing control position sensor (bank 2), crankshaft position sensor (POS), mass air flow sensor)

--

--

--

41

(W)

152

(B)

Heated oxygen sensor 2 (bank 1)

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 between 3,500 and 4,000 rpm for 1 minute and at idle for 1 minute under no load

0 - 1.0 V

46

(BR)

152

(B)

A/F sensor 1 heater (bank 2)

Output

[Engine is running]

  • Warm-up condition
  • Idle speed

    (More than 140 seconds after starting engine)

2.9 - 8.8 V SYMBOL

SYMBOLGNSJMBIA0030GB-030Courtesy of NISSAN NORTH AMERICA, INC.

47

(SB)

152

(B)

Heated oxygen sensor 2 heater (bank 2)

Output

[Engine is running]

Engine speed: Below 3,600 rpm after 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 SYMBOL

SYMBOLGNSJMBIA0902GB-902Courtesy of NISSAN NORTH AMERICA, INC.
  • [Ignition switch: ON]

    Engine stopped

  • [Engine is running]

    Engine speed: Above 3,600 rpm

BATTERY VOLTAGE

(11 - 14 V)

49

(BR)

152

(B)

Electronic controlled engine mount control solenoid valve

Output

[Engine is running]

Idle speed

0 - 1.0 V

[Engine is running]

Engine speed: More than 950 rpm

BATTERY VOLTAGE

(11 - 14 V)

51

(L)

152

(B)

Power supply for ECM (Valve)

Input

[Ignition switch: ON]

BATTERY VOLTAGE

(11 - 14 V)

54

(Y)

152

(B)

EVAP canister purge volume control solenoid valve

Output

[Engine is running]

  • Idle speed
  • Accelerator pedal: Not depressed even slightly, after engine starting

BATTERY VOLTAGE

(11 - 14 V) SYMBOL

SYMBOLGNSJMBIA0039GB-039Courtesy of NISSAN NORTH AMERICA, INC.

[Engine is running]

Engine speed: approximately 2,000 rpm (More than 100 seconds after starting engine)

BATTERY VOLTAGE

(11 - 14 V) SYMBOL

SYMBOLGNSJMBIA0040GB-040Courtesy of NISSAN NORTH AMERICA, INC.

55

(B)

--

ECM ground

--

--

--

58

(SB)

152

(B)

Exhaust valve timing control solenoid valve (bank 1)

Output

[Engine is running]

  • Warm-up condition
  • Idle speed

0 V

[Engine is running]

  • Warm-up condition
  • Engine speed: 2,000rpm

BATTERY VOLTAGE

(11 - 14 V)

60

(BR)

152

(B)

Exhaust valve timing control solenoid valve (bank 2)

Output

[Engine is running]

  • Warm-up condition
  • Idle speed

0 V

[Engine is running]

  • Warm-up condition
  • Engine speed: 2,000rpm

BATTERY VOLTAGE

(11 - 14 V)

66

(R)

152

(B)

A/F sensor 1 (bank 1)

Input

[Ignition switch: ON]

1.8 V

67

(G)

152

(B)

A/F sensor 1 (bank 1)

Input

[Engine is running]

  • Warm-up condition
  • Engine speed: 2,000 rpm

2.2 V

Output voltage varies with air fuel ratio.

70

(GR)

--

Shield

--

--

--

71

(B)

152

(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 depressed

Less than 4.75 V

72

(W)

152

(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 depressed

More than 0.36 V

75

(R)

--

Sensor ground

(Throttle position sensor)

--

--

--

76

(W)

152

(B)

A/F sensor 1 (bank 2)

Input

[Ignition switch: ON]

1.8 V

77

(B)

152

(B)

A/F sensor 1 (bank 2)

Input

[Engine is running]

  • Warm-up condition
  • Engine speed: 2,000 rpm

2.2 V

Output voltage varies with air fuel ratio.

80

(SHIELD)

--

Shield

--

--

--

83

(R)

152

(B)

PNP signal

Input

[Ignition switch: ON]

Selector lever: P or N position

BATTERY VOLTAGE

(11 - 14 V)

[Ignition switch: ON]

Selector lever: Except above position

0 V

84

(GR)

90

(LG)

Camshaft position sensor (PHASE) (bank 1)

Input

[Engine is running]

  • Warm-up condition
  • Idle speed
    NOTE: The pulse cycle changes depending on rpm at idle

3.0 - 5.0 V SYMBOL

SYMBOLGNSJMBIA0045GB-045Courtesy of NISSAN NORTH AMERICA, INC.

[Engine is running]

Engine speed is 2,000 rpm

3.0 - 5.0 V SYMBOL

SYMBOLGNSJMBIA0046GB-046Courtesy of NISSAN NORTH AMERICA, INC.

86

(V)

152

(B)

ECM relay

(Self shut-off)

Output

  • [Engine is running]
  • [Ignition switch: OFF]

    A few seconds after turning ignition switch OFF

0 - 1.5 V

[Ignition switch: OFF]

More than a few seconds after turning ignition switch OFF

BATTERY VOLTAGE

(11 - 14 V)

89

(GR)

90

(LG)

Camshaft position sensor (PHASE) (bank 2)

Input

[Engine is running]

  • Warm-up condition
  • Idle speed
    NOTE: The pulse cycle changes depending on rpm at idle

3.0 - 5.0 V SYMBOL

SYMBOLGNSJMBIA0045GB-045Courtesy of NISSAN NORTH AMERICA, INC.

[Engine is running]

Engine speed is 2,000 rpm

3.0 - 5.0 V SYMBOL

SYMBOLGNSJMBIA0046GB-046Courtesy of NISSAN NORTH AMERICA, INC.

90

(LG)

--

Sensor ground

[Camshaft position sensor (PHASE) (bank 1), camshaft position sensor (PHASE) (bank 2)]

--

--

--

92

(BR)

90

(LG)

Sensor power supply

[Camshaft position sensor (PHASE) (bank 1), camshaft position sensor (PHASE) (bank 2)]

--

[Ignition switch: ON]

5 V

98

(G)

75

(R)

Sensor power supply

(Throttle position sensor)

--

[Ignition switch: ON]

5 V

99

(L)

--

Engine communication line

Input/Output

--

--

102

(W)

152

(B)

VIAS control solenoid valve 2

Output

[Engine is running]

  • Warm-up condition
  • Idle speed

BATTERY VOLTAGE

(11 - 14 V)

[Engine is running]

  • Warm-up condition
  • When revving engine up to 5,000 rpm quickly

BATTERY VOLTAGE (11 - 14 V)

-

0 - 1.0 V

-

BATTERY VOLTAGE (11 - 14 V)

103

(P)

152

(B)

Ignition signal No. 3

Output

[Engine is running]

  • Warm-up condition
  • Idle speed
    NOTE: The pulse cycle changes depending on rpm at idle

0 - 0.2 V SYMBOL

SYMBOLG08435929Courtesy of NISSAN NORTH AMERICA, INC.

104

(V)

Ignition signal No. 6

106

(R)

Ignition signal No. 2

107

(LG)

Ignition signal No. 5

[Engine is running]

  • Warm-up condition
  • Engine speed: 2,000 rpm

0.1 - 0.4 V SYMBOL

SYMBOLGNSJMBIA0036GB-036Courtesy of NISSAN NORTH AMERICA, INC.

113

(Y)

Ignition signal No. 1

114

(SB)

Ignition signal No. 4

105

(B)

--

ECM ground

--

--

--

108

(BR)

152

(B)

VIAS control solenoid valve 1

Output

[Engine is running]

  • Warm-up condition
  • Idle speed

BATTERY VOLTAGE

(11 - 14 V)

[Engine is running]

  • Warm-up condition
  • When revving engine up to 5,000 rpm quickly

BATTERY VOLTAGE (11 - 14 V)

-

0 - 1.0 V

-

BATTERY VOLTAGE (11 - 14 V)

110

(B)

--

ECM ground

--

--

--

116

(GR)

152

(B)

Power supply for ECM (Back-up)

Input

[Ignition switch: OFF]

BATTERY VOLTAGE

(11 - 14 V)

117

(BR)

152

(B)

Intake valve timing control solenoid valve (bank 1)

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)

118

(LG)

152

(B)

Intake valve timing intermediate lock control solenoid valve (bank 1)

Output

[Engine is running]

  • Warm-up condition
  • Idle speed

0 V

[Engine is running]

  • Cold condition [Engine coolant temperature: below 60°C (140°F)]
  • Idle speed

Battery voltage

(11 - 14 V)

119

(Y)

152

(B)

Intake valve timing control solenoid valve (bank 2)

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)

120

(R)

152

(B)

Intake valve timing intermediate lock control solenoid valve (bank 2)

Output

[Engine is running]

  • Warm-up condition
  • Idle speed

0 V

[Engine is running]

  • Cold condition [Engine coolant temperature: below 60°C (140°F)]
  • Idle speed

Battery voltage

(11 - 14 V)

121

(W)

148

(Y)

EVAP control system pressure sensor

Input

[Ignition switch: ON]

1.8 - 4.8 V

123

(P)

--

CAN communication line

(CAN-L)

Input/Output

--

--

124

(L)

--

CAN communication line

(CAN-H)

Input/Output

--

--

125

(V)

148

(Y)

Sensor power supply

(EVAP control system pressure sensor)

--

[Ignition switch: ON]

5 V

128

(BR)

148

(Y)

Fuel tank temperature sensor

Input

[Engine is running]

0 - 4.8 V

Output voltage varies with fuel tank temperature.

130

(R)

152

(B)

Fuel pump control module

(FPCM) check

Input

[Engine is running]

  • Warm-up condition
  • Idle speed

8 - 13.5 V

133

(L)

152

(B)

Ignition switch

Input

[Ignition switch: OFF]

0 V

[Ignition switch: ON]

BATTERY VOLTAGE

(11 - 14 V)

134

(G)

135

(R)

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]

RESUME/ACCELERATE switch: Pressed

3 V

[Ignition switch: ON]

SET/COAST switch: Pressed

2 V

ICC steering switch

Input

[Ignition switch: ON]

MAIN (ON/OFF) switch: Pressed

5.0 V

[Ignition switch: ON]

CANCEL switch: Pressed

0.3 V

[Ignition switch: ON]

DISTANCE switch: Pressed

0.7 V

[Ignition switch: ON]

SET/COAST switch: Pressed

1.3 V

[Ignition switch: ON]

RESUME/ACCELERATE switch: Pressed

2.4 V

[Ignition switch: ON]

All ICC steering switch: Released

0 V

135

(R)

--

Sensor ground

(ASCD steering switch)

--

--

--

136

(GR)

152

(B)

Fuel pump control module

(FPCM)

Output

[Ignition switch: ON]

  • For 1 second after turning ignition switch ON

1.3 V

[When cranking engine]

4 V

[Engine is running]

  • Warm-up condition
  • Idle speed

2.7 V

139

(P)

152

(B)

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)

140

(LG)

152

(B)

Brake pedal position switch

Input

[Ignition switch: ON]

Brake pedal: Slightly depressed

0 V

[Ignition switch: ON]

Brake pedal: Fully released

BATTERY VOLTAGE

(11 - 14 V)

141

(Y)

152

(B)

EVAP canister vent control valve

Output

[Ignition switch: ON]

BATTERY VOLTAGE

(11 - 14 V)

142

(Y)

144

(G)

Sensor power supply

(Accelerator pedal position sensor 2)

--

[Ignition switch: ON]

5 V

143

(P)

144

(G)

Accelerator pedal position sensor 2

Input

[Ignition switch: ON]

  • Engine stopped
  • Accelerator pedal: Fully released

0.25 - 0.50 V

[Ignition switch: ON]

  • Engine stopped
  • Accelerator pedal: Fully depressed

2.0 - 2.5 V

144

(G)

--

Sensor ground

(Accelerator pedal position sensor 2)

--

--

--

145

(LG)

152

(B)

Power supply for ECM

Input

[Ignition switch: ON]

BATTERY VOLTAGE

(11 - 14 V)

146

(R)

151

(B)

Sensor power supply

(Accelerator pedal position sensor 1)

--

[Ignition switch: ON]

5 V

147

(B)

149

(B)

152

(B)

--

ECM ground

--

--

--

148

(Y)

--

Sensor ground

(EVAP control system pressure sensor, Fuel tank temperature sensor)

--

--

--

150

(W)

151

(B)

Accelerator pedal position sensor 1

Input

[Ignition switch: ON]

  • Engine stopped
  • Accelerator pedal: Fully released

0.5 - 1.0 V

[Ignition switch: ON]

  • Engine stopped
  • Accelerator pedal: Fully depressed

4.2 - 4.8 V

151

(B)

--

Sensor ground

(Accelerator pedal position sensor 1)

--

--

--

SYMBOL : Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)

*1: This may vary depending on internal resistance of the tester.

*2: Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to How to Handle Battery .