Physical Values

NOTE:

ECM is located behind the passenger side instrument lower panel. For this inspection, remove passenger side instrument lower panel.
Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-III.

TERMINALS REFERENCE

Terminal No.

Description

Condition

Value (Approx.)

Signal name

Input/Output

1 (V)

112 (B)

Tumble control valve motor (Close)

Output

[Ignition switch OFF → ON]

For a few seconds after turning ignition switch ON

0 V
↓
BATTERY VOLTAGE (11 - 14 V)
↓
0 V

[Ignition switch ON → OFF]

For a few seconds after turning ignition switch OFF

0 V
↓
1.5 - 2.0 V
↓
0 V

2 (P)

112 (B)

Throttle control motor power supply

Input

[Ignition switch: ON]

BATTERY VOLTAGE (11 - 14 V)

3 (LG)

112 (B)

Tumble control valve motor (Open)

Output

[Ignition switch OFF → ON]

For a few seconds after turning ignition switch ON

0 V
↓
Approximately 0.5 V
↓
0 V

[Ignition switch ON → OFF]

For a few seconds after turning ignition switch OFF

0 V
↓
BATTERY VOLTAGE (11 - 14 V)
↓
0 V

4 (R)

112 (B)

A/F sensor 1 heater

Output

[Engine is running]

Warm-up condition
Idle speed

2.9 - 8.8 V⁽¹⁾

Courtesy of NISSAN NORTH AMERICA, INC.

5 (GR)

6 (L)

Throttle control motor 1 (Open)

Output

[Ignition switch: ON]

Engine stopped
Shift lever: D
Accelerator pedal: Fully depressed

0 - 14 V⁽¹⁾

Courtesy of NISSAN NORTH AMERICA, INC.

6 (L)

5 (GR)

Throttle control motor 2 (Close)

Output

[Ignition switch: ON]

Engine stopped
Shift lever: D
Accelerator pedal: Fully released

0 - 14 V⁽¹⁾

Courtesy of NISSAN NORTH AMERICA, INC.

7 (BR)

112 (B)

Tumble control valve motor power supply

Input

[Ignition switch: ON]

BATTERY VOLTAGE (11 - 14 V)

9 (R)

112 (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 - 0.1 V⁽¹⁾

Courtesy of NISSAN NORTH AMERICA, INC.

10 (W)

Ignition signal No. 2

11 (SB)

Ignition signal No. 1

[Engine is running]

Warm-up condition
Engine speed: 2, 000 rpm

0 - 0.2 V⁽¹⁾

Courtesy of NISSAN NORTH AMERICA, INC.

21 (G)

Ignition signal No. 4

12 (B)
16 (B)

ECM ground

13 (Y)

112 (B)

Heated oxygen sensor 2 heater

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⁽¹⁾

Courtesy of NISSAN NORTH AMERICA, INC.

[Ignition switch: ON]

Engine stopped

[Engine is running]

Engine speed: Above 3, 600 rpm

BATTERY VOLTAGE (11 - 14 V)

14 (GR)

112 (B)

Fuel pump relay

Output

[Ignition switch: ON]

For 1 second after turning ignition switch ON

[Engine is running]

0 - 1.0 V

[Engine is running]

More than 1 second after turning ignition switch ON

BATTERY VOLTAGE (11 - 14 V)

15 (V)

112 (B)

Throttle control motor relay

Output

[Ignition switch: ON → OFF]

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

[Ignition switch: ON]

0 - 1.0 V

17 (SB)

112 (B)

Heated oxygen sensor 3 heater

Output

[Engine is running]

Engine speed: Below 3, 600 rpm after the following conditions are met
- Engine: After warming up
- Driving for 3 minutes at a speed of 80 km/h (50 MPH) or more (Keep the vehicle speed as steady as possible during the cruising.)

10 V ⁽¹⁾

Courtesy of NISSAN NORTH AMERICA, INC.

[Ignition switch: ON]

Engine stopped

[Engine is running]

Engine speed: Above 3, 600 rpm

BATTERY VOLTAGE (11 - 14 V)

24 (L)

112 (B)

ECM relay (Self shut-off)

Output

[Engine is running]
[Ignition switch: OFF]

A few seconds after turning ignition switch OFF

0 - 1.0 V

[Ignition switch: OFF]

More than a few seconds after turning ignition switch OFF

BATTERY VOLTAGE (11 - 14 V)

25 (Y)

112 (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)⁽¹⁾

Courtesy of NISSAN NORTH AMERICA, INC.

[Engine is running]

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

BATTERY VOLTAGE (11 - 14 V)⁽¹⁾

Courtesy of NISSAN NORTH AMERICA, INC.

29 (P)

112 (B)

Fuel injector No. 4

Output

[Engine is running]

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

BATTERY VOLTAGE (11 - 14 V)⁽¹⁾

Courtesy of NISSAN NORTH AMERICA, INC.

30 (LG)

Fuel injector No. 3

31 (BR)

Fuel injector No. 2

[Engine is running]

Warm-up condition
Engine speed: 2, 000 rpm

BATTERY VOLTAGE (11 - 14 V)⁽¹⁾

Courtesy of NISSAN NORTH AMERICA, INC.

32 (GR)

Fuel injector No. 1

33 (P)

35 (L)

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 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)

35 (L)

Heated oxygen sensor 3

Input

[Engine is running]

Revving engine from idle to 3, 000 rpm quickly after the following conditions are met
- Engine: After warming up
- Driving for 3 minutes at a speed of 80 km/h (50 MPH) or more (Keep the vehicle speed as steady as possible during the cruising.)

0 - 1.0 V

35 (L)

Sensor ground (Heated oxygen sensor 2, Heated oxygen sensor 3)

36 (R)

Sensor ground (Throttle position sensor)

37 (W)

36 (R)

Throttle position sensor 1

Input

[Ignition switch: ON]

Engine stopped
Shift lever: D
Accelerator pedal: Fully released

More than 0.36 V

[Ignition switch: ON]

Engine stopped
Shift lever: D
Accelerator pedal: Fully depressed

Less than 4.75 V

38 (G)

36 (R)

Throttle position sensor 2

Input

[Ignition switch: ON]

Engine stopped
Shift lever: D
Accelerator pedal: Fully released

Less than 4.75 V

[Ignition switch: ON]

Engine stopped
Shift lever: D
Accelerator pedal: Fully depressed

More than 0.36 V

39 (Y)

40 (W)

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

40 (W)

Sensor ground (Refrigerant pressure sensor)

45 (V)

49 (LGP)

A/F sensor 1 (bank 1)

Input

[Ignition switch: ON]

2.2 V

46 (P)

52 (O)

Engine coolant temperature sensor

Input

[Engine is running]

0 - 4.8 V Output voltage varies with engine coolant temperature.

47 (B)

36 (R)

Sensor power supply (Throttle position sensor)

[Ignition switch: ON]

5 V

49 (LG)

112 (B)

A/F sensor 1

Input

[Engine is running]

Warm-up condition
Engine speed: 2, 000 rpm

1.8 V Output voltage varies with air fuel ratio.

50 (BR)

56 (R)

Intake air temperature sensor

Input

[Engine is running]

0 - 4.8 V Output voltage varies with intake air temperature.

52 (O)

Sensor ground (Tumble control valve position sensor, Engine coolant temperature sensor)

54 (W)

52 (O)

Tumble control valve position sensor

Input

[Ignition switch OFF → ON]

For a few seconds after turning ignition switch ON

0 V
↓
0.7 V

[Ignition switch ON → OFF]

For a few seconds after turning ignition switch OFF

0.7 V
↓
3.5 V
↓
0 V

56 (R)

Sensor ground (Mass air flow sensor, Intake air temperature sensor)

58 (L)

56 (R)

Mass air flow sensor

Input

[Engine is running]

Warm-up condition
Idle speed

0.8 - 1.2 V

[Engine is running]

Warm-up condition
Engine speed: 2, 500 rpm

1.4 - 1.8 V

59 (V)

64 (Y)

Sensor power supply [Camshaft position sensor (PHASE)]

[Ignition switch: ON]

5 V

60 (B)

Sensor ground [Crankshaft position sensor (POS)]

61 (W)

67 (-)

Knock sensor

Input

[Engine is running]

Idle speed

2.5 V

64 (Y)

Sensor ground [Camshaft position sensor (PHASE)]

65 (R)

60 (B)

Crankshaft position sensor (POS)

Input

[Engine is running]

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

3.0 V⁽¹⁾

Courtesy of NISSAN NORTH AMERICA, INC.

[Engine is running]

Engine speed: 2, 000 rpm

3.0 V⁽¹⁾

Courtesy of NISSAN NORTH AMERICA, INC.

67 (-)

Sensor ground (Knock sensor)

69 (G)

64 (Y)

Camshaft position sensor (PHASE)

Input

[Engine is running]

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

1.0 - 4.0 V⁽¹⁾

Courtesy of NISSAN NORTH AMERICA, INC.

[Engine is running]

Engine speed is 2, 000 rpm

1.0 - 4.0 V⁽¹⁾

Courtesy of NISSAN NORTH AMERICA, INC.

72 (L)

40 (W)

Sensor power supply (Tumble control valve position sensor, PD sensor)

[Ignition switch: ON]

5 V

76 (P)

60 (B)

Sensor power supply [Crankshaft position sensor (POS)]

[Ignition switch: ON]

5 V

77 (R)

112 (B)

Power supply for ECM (Back-up)

Input

[Ignition switch: OFF]

BATTERY VOLTAGE (11 - 14 V)

78 (O)

112 (B)

Intake valve timing control solenoid valve

Output

[Engine is running]

Warm-up condition
Idle speed

0 V

[Engine is running]

Warm-up condition
Engine speed: 2, 000rpm

7 - 10 V⁽¹⁾

Courtesy of NISSAN NORTH AMERICA, INC.

81 (SB)

84 (Y)

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

82 (G)

100 (W)

Accelerator pedal position sensor 2

Input

[Ignition switch: ON]

Engine stopped
Accelerator pedal: Fully released

0.25 - 0.5 V

[Ignition switch: ON]

Engine stopped
Accelerator pedal: Fully depressed

2.0 - 2.5 V

83 (R)

84 (Y)

Sensor power supply (Accelerator pedal position sensor 1)

[Ignition switch: ON]

5 V

84 (Y)

Sensor ground (Accelerator pedal position sensor 1)

85 (R)

92 (W)

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

86 (BR)

96 (P)

EVAP control system pressure sensor

Input

[Ignition switch: ON]

1.8 - 4.8 V

87 (V)

100 (W)

Sensor power supply (Accelerator pedal position sensor 2)

[Ignition switch: ON]

5 V

88 (L)

112 (B)

Data link connector

Input/Output

[Ignition switch: ON]

GST: Disconnected

BATTERY VOLTAGE (11 - 14 V)

91 (Y)

96 (P)

Sensor power supply (EVAP control system pressure sensor)

[Ignition switch: ON]

5 V

92 (W)

Sensor ground (ASCD steering switch)

93 (O)

112 (B)

Ignition switch

Input

[Ignition switch: OFF]

0 V

[Ignition switch: ON]

BATTERY VOLTAGE (11 - 14 V)

95 (O)

104 (B)

Fuel tank temperature sensor

Input

[Engine is running]

0 - 4.8 V Output voltage varies with fuel tank temperature.

96 (P)

Sensor ground (EVAP control system pressure sensor)

97 (P)

CAN communication line

98 (L)

CAN communication line

100 (W)

Sensor ground (Accelerator pedal position sensor 2)

102 (LG)

112 (B)

PNP switch

Input

[Ignition switch: ON]

Shift lever: P or N

BATTERY VOLTAGE (11 - 14 V)

[Ignition switch: ON]

Shift lever: Except above

0 V

104 (B)

Sensor ground (Fuel tank temperature sensor)

105 (R)

112 (B)

Power supply for ECM

Input

[Ignition switch: ON]

BATTERY VOLTAGE (11 - 14 V)

106 (Y)

112 (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)

107 (B)
108 (B)

ECM ground

109 (W)

112 (B)

EVAP canister vent control valve

Output

[Ignition switch: ON]

BATTERY VOLTAGE (11 - 14 V)

110 (GR)

112 (B)

ASCD brake switch

Input

[Ignition switch: ON]

Brake pedal: Slightly depressed

0 V

[Ignition switch: ON]

Brake pedal: Fully released

BATTERY VOLTAGE (11 - 14 V)

111 (B)
112 (B)

ECM ground

⁽¹⁾	Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)