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Home >> Nissan-Datsun >> 2014 >> Versa Note S Plus >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction) >> Ecu Diagnosis Information >> ECM >> Reference Value >> Physical Values
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Physical Values

NOTE:
  • Connect a break-out box and harness adapter between the ECM and ECM harness connector.
    • Use extreme care not to touch 2 pins at one time.
    • Data is for comparison and may not be exact.
  • Specification data are reference values and are measured between each terminals.
  • Pulse signal is measured by CONSULT.
Terminal No. Description Condition Value (Approx.)
+ - Signal name Input/Output
1 (L) 108 (B) Throttle control motor (Open) Output [Ignition switch: ON]
  • Engine stopped
  • Shift lever: D (CVT), 1st (M/T)
  • Accelerator pedal: Fully depressed
 2.6 V(1)
G08199496
2 (L/W) 108 (B) Throttle control motor power supply Input [Ignition switch: ON] BATTERY VOLTAGE (11 - 14 V)
3 (G/W) 108 (B) A/F sensor 1 heater Output [Engine is running]
  • Warm-up condition
  • Idle speed (More than 140 seconds after starting engine)
 2.9 - 8.8 V(1)
G08199497
4 (P) 108 (B) Throttle control motor (Close) Output [Ignition switch: ON]
  • Engine stopped
  • Shift lever: D (CVT), 1st (M/T)
  • Accelerator pedal: Fully released
 1.8 V(1)
G08199498
5 (BR/W) 59 (L/Y) 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)
G08199499
[Ignition switch: ON]
  • Engine stopped

    [Engine is running]

  • Engine speed: Above 3, 600 rpm
 BATTERY VOLTAGE (11-14 V)
9 (SB) 108 (B) EVAP canister purge volume control solenoid valve Output [Engine is running]
  • Idle speed
 BATTERY VOLTAGE (11-14 V)(1)
G09617621
[Engine is running]
  • Engine speed: About 2, 000 rpm (More than 100 seconds after starting engine.)
 BATTERY VOLTAGE (11-14 V)(1)
G08199501
10 (B) - ECM ground - - -
11 (B/Y) - ECM ground - - -
12 (L/W) 108 (B) Fuel injector No. 1 (Rear) 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)
G08199502
16 (G) Fuel injector No. 3 (Rear)
20 (O/W) Fuel injector No. 2 (Rear)
24 (R) Fuel injector No. 4 (Rear)
25 (R) Fuel injector No. 4 (Front) [Engine is running]
  • Warm-up condition
  • Engine speed: 2, 000 rpm
 BATTERY VOLTAGE (11-14 V)(1)
G08199503
29 (G) Fuel injector No. 3 (Front)
30 (O) Fuel injector No. 2 (Front)
31 (L) Fuel injector No. 1 (Front)
15 (G/W) 108 (B) Throttle control motor relay Output [Ignition switch: OFF] BATTERY VOLTAGE (11-14 V)
[Ignition switch: ON] 0-1.0V
17 (V) 108 (B) Ignition signal No. 1 Output [Engine is running]
  • Warm-up condition
  • Idle speed
NOTE: The pulse cycle changes depending on rpm at idle
 0-0.3V(1)
G08199504
18 (Y/B) Ignition signal No. 2
21 (W) Ignition signal No. 4 [Engine is running]
  • Warm-up condition
  • Engine speed: 2, 500 rpm
 0.2-0.5 V(1)
G08199505
22 (BR) Ignition signal No. 3
23 (GR) 108 (B) Fuel pump relay Output [Ignition switch: ON]
  • For 1 second after turning ignition switch ON

    [Engine is running]

 0-1.0V
[Ignition switch: ON]
  • More than 1 second after turning ignition switch ON
 BATTERY VOLTAGE (11-14 V)
26 (P) 108 (B) EVAP canister vent control valve Output [Ignition switch: ON] BATTERY VOLTAGE (11-14 V)
32 (P) 108 (B) ECM relay (Self shut-off) Output [Engine is running]
[Ignition switch: OFF]
  • A few seconds after turning ignition switch OFF
 0-1.0V
[Ignition switch: OFF]
  • More than a few seconds after turning ignition switch OFF
 BATTERY VOLTAGE (11-14 V)
33 (W) 36 (R) Throttle position sensor 1 Input [Ignition switch: ON]
  • Engine stopped
  • Shift lever: D (CVT), 1st (M/T)
  • Accelerator pedal: Fully released
 More than 0.36 V
[Ignition switch: ON]
  • Engine stopped
  • Shift lever: D (CVT), 1st (M/T)
  • Accelerator pedal: Fully depressed
 Less than 4.75 V
34 (B) 36 (R) Throttle position sensor 2 Input [Ignition switch: ON]
  • Engine stopped
  • Shift lever: D (CVT), 1st (M/T)
  • Accelerator pedal: Fully released
 Less than 4.75 V
[Ignition switch: ON]
  • Engine stopped
  • Shift lever: D (CVT), 1st (M/T)
  • Accelerator pedal: Fully depressed
 More than 0.36 V
36 (R) - Sensor ground (Throttle position sensor) - - -
37 (W) 40 (L) Knock sensor Input [Engine is running]
  • Idle speed
 2.5 V
38 (LG/V) 44 (P) Engine coolant temperature sensor Input [Engine is running] 0 - 4.8 V
Output voltage varies with engine coolant temperature.
39 (L) 68 (R) Battery temperature sensor Input [Engine is running]
  • Battery temperature: 25°C (°F)
  • Idle speed
 3.5 V
40 (L) - Sensor ground (Knock sensor shield circuit) - - -
42 (L) 51 (P) Fuel tank temperature sensor Input [Engine is running] 0 - 4.8 V
Output voltage varies with fuel tank temperature.
43 (SB) 68 (R) EVAP control system pressure sensor Input [Ignition switch: ON] 0.5 - 4.6 V
44 (P) - Sensor ground (Engine coolant temperature sensor) - - -
45 (G/B) 52 (LG) Mass air flow sensor Input [Ignition switch ON]
  • Engine stopped
 0.4 V
[Engine is running]
  • Warm-up condition
  • Idle speed
 0.8 - 1.3 V
[Engine is running]
  • Warm-up condition
  • Engine is revving from idle to about 4, 000 rpm
 0.8 - 1.3 to 2.4 V (Check for linear voltage rise in response to engine being increased to about 4, 000 rpm.)
46 (V) 55 (G/L) Intake air temperature sensor Input [Engine is running] 0 - 4.8 V
Output voltage varies with intake air temperature.
47 (Y) 60 (L) Engine oil pressure sensor Input [Engine is running]
  • Warm-up condition
  • Idle speed
 1.0 - 2.0 V
[Engine is running]
  • Warm-up condition
  • Engine speed: 2, 000 rpm
 1.5 - 3.5 V
48 (W/R) 63 (W) Exhaust valve timing control position sensor Input [Engine is running]
  • Warm-up condition
  • Idle speed
NOTE: The pulse cycle changes depending on rpm at idle
 4.3 V(1)
G08199506
[Engine is running]
  • Engine speed: 2, 000 rpm
 4.3 V(1)
G08199507
49 (G/W) 108 (B) A/F sensor 1 Input [Ignition switch: ON] 2.2 V
50 (L/R) 59 (L/Y) 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
51 (P) - Sensor ground (Fuel tank temperature sensor) - - -
52 (LG) - Sensor ground (Mass air flow sensor) - - -
53 (L) 108 (B) A/F sensor 1 Input [Engine is running]
  • Warm-up condition
  • Engine speed: 2, 500 rpm
 1.8 V
Output voltage varies with air fuel ratio.
54 (BR) - Sensor ground (Engine oil temperature sensor) - - -
55 (G/L) - Sensor ground (Intake air temperature sensor) - - -
57 (P) 54 (BR) Engine oil temperature sensor Input [Engine is running] 0 - 4.8 V
Output voltage varies with engine oil temperature.
58 (BR) 68 (R) Battery current sensor Input [Engine is running]
  • Battery: Fully charged(2)
  • Idle speed
 2.6 - 3.5 V
59 (L/Y) - Sensor ground (Heated oxygen sensor 2) - - -
60 (L) - Sensor ground (Engine oil pressure sensor) - - -
61 (L/O) 62 (G) Crankshaft position sensor Input [Engine is running]
  • Warm-up condition
  • Idle speed
NOTE: The pulse cycle changes depending on rpm at idle
 4.0 V(1)
G06537902
[Engine is running]
  • Engine speed: 2, 000 rpm
 4.0 V(1)
G06537903
62 (G) - Sensor ground (Crankshaft position sensor) - - -
63 (W) - Sensor ground (Camshaft position sensor) - - -
65 (R/W) 63 (W) Camshaft position sensor Input [Engine is running]
  • Warm-up condition
  • Idle speed
NOTE: The pulse cycle changes depending on rpm at idle
 4.3 V(1)
G08199510
[Engine is running]
  • Engine speed is 2, 000 rpm
 4.3 V(1)
G08199511
68 (R) - Sensor ground (EVAP control system pressure sensor, battery current sensor, battery temperature sensor) - - -
69 (BR) 108 (B) Park/Neutral position signal Input [Ignition switch: ON]
  • Shift lever: Neutral
 BATTERY VOLTAGE (11 - 14 V)
[Ignition switch: ON]
  • Shift lever: Except above position
 0 V
70 (L/Y) - Engine communication line Input/Output - -
71 (Y) 68 (R) Sensor power supply (EVAP control system pressure sensor, battery current sensor, battery temperature sensor) - [Ignition switch: ON] 5 V
72 (W/R) 36 (R) Sensor power supply (Throttle position sensor) - [Ignition switch: ON] 5 V
73 (P) 108 (B) Intake valve timing control solenoid valve Outpu [Engine is running]
  • Warm-up condition
  • Idle speed
 BATTERY VOLTAGE (11 - 14 V)
[Engine is running]
  • Warm-up condition
  • When revving engine up to 2, 000rpm quickly
 7 - 10 V(1)
G08199512
74 (O) 60 (L) Sensor power supply (Engine oil pressure sensor) - [Ignition switch: ON] 5 V
75 (O) 62 (G) Sensor power supply (Crankshaft position sensor) - [Ignition switch: ON] 5 V
77 (P/W) 108 (B) Exhaust valve timing control solenoid valve 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 2, 000rpm quickly
 7 - 10 V(1)
G08199512
78 (BR) 63 (W) Sensor power supply (Camshaft position sensor) - [Ignition switch: ON] 5 V
81 (V) 108 (B) Power supply for ECM (Back-up) Input [Ignition switch: OFF] BATTERY VOLTAGE (11 - 14 V)
83 (P) - CAN-L Input/Output - -
84 (L) - CAN-H Input/Output - -
85 (V) 98 (LG) Refrigerant pressure sensor Input [Engine is running]
  • Warm-up condition
  • Both A/C switch and blower fan switch: ON (Compressor operates)
 1.0 - 4.0 V
88 (GR) - Data link connector Input/Output - -
92 (R) - Clutch pedal position switch Input [Ignition switch: ON]
  • Clutch pedal: Fully released
 0 V
[Ignition switch: ON]
  • Clutch pedal: Fully depressed
 BATTERY VOLTAGE (11 - 14 V)
93 (L) 108 (B) Ignition switch Input [Ignition switch: OFF] 0 V
[Ignition switch: ON] BATTERY VOLTAGE (11 - 14 V)
94 (Y) 95 (B) 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]
  • ACCEL/RES switch: Pressed
 3 V
[Ignition switch: ON]
  • COAST/SET switch: Pressed
 2 V
95 (B) - Sensor ground (ASCD steering switch) - - -
98 (LG) - Sensor ground (Refrigerant pressure sensor) - - -
99 (LG) 108 (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)
100 (G) 108 (B) Brake pedal position switch Input [Ignition switch: OFF]
  • Brake pedal: Fully released
 BATTERY VOLTAGE (11 - 14 V)
[Ignition switch: OFF]
  • Brake pedal: Slightly depressed
 0 V
101 (W) 98 (LG) Sensor power supply (Refrigerant pressure sensor) - [Ignition switch: ON] 5 V
102 (BR) 104 (Y) Sensor power supply (Accelerator pedal position sensor 2) - [Ignition switch: ON] 5 V
103 (GR) 104 (Y) Accelerator pedal position sensor 2 Input [Ignition switch: ON]
  • Engine stopped
  • Accelerator pedal: Fully released
 0.3 - 0.6 V
[Ignition switch: ON]
  • Engine stopped
  • Accelerator pedal: Fully depressed
 1.95 - 2.4 V
104 (Y) - Sensor ground (Accelerator pedal position sensor 2) - - -
105 (G) 108 (B) Power supply for ECM Input [Ignition switch: ON] BATTERY VOLTAGE (11 - 14 V)
106 (V) 111 (P) Sensor power supply (Accelerator pedal position sensor 1) - [Ignition switch: ON] 5 V
108 (B) - ECM ground - - -
110 (SB) 111 (P) Accelerator pedal position sensor 1 Input [Ignition switch: ON]
  • Engine stopped
  • Accelerator pedal: Fully released
 0.6 - 0.9 V
[Ignition switch: ON]
  • Engine stopped
  • Accelerator pedal: Fully depressed
 3.9 - 4.7 V
111 (P) - Sensor ground (Accelerator pedal position sensor 1) - - -
(1) Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
(2) Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to "WORK FLOW ".
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