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Home >> Nissan-Datsun >> 2014 >> Rogue SL, FWD >> 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:
  • ECM is located in the engine room left side near battery.
  • Specification data are reference values and are measured between each terminal and ground.
  • Pulse signal is measured by CONSULT.
Terminal No. (Wire color) Description Condition Value (Approx.)
+ - Signal name Input/Output
1 (G) 128 (BR) Throttle control motor (Close) Output [Ignition switch: ON]
  • Engine stopped
  • Selector lever: D
  • Accelerator pedal: Fully released
 1.8 V(1)
G06932946
2 (GR) 128 (BR) Throttle control motor power supply Input [Ignition switch: ON] Battery voltage (11 - 14 V)
3 (L) 128 (BR) Throttle control motor (Open) Output [Ignition switch: ON]
  • Engine stopped
  • Selector lever: D
  • Accelerator pedal: Fully depressed
 3.2 V(1)
G06932945
4 (W) 8 (-) Knock sensor Input [Engine is running]
  • Idle speed
 2.5 V
8 (-) - Sensor ground (Knock sensor shield circuit) - - -
9 (Y)
10 (P)
13 (L)
14 (G)		 128 (BR) Fuel injector No. 4
Fuel injector No. 3
Fuel injector No. 1
Fuel injector No. 2		 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)
G04886964
[Engine is running]
  • Warm-up condition
  • Engine speed: 2, 000 RPM
 Battery voltage (11 - 14 V)(1)
G04886965
16 (BR) - ECM ground - - -
17 (BG) 128 (BR) 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)
G04886962
[Engine is running]
  • Engine speed: About 2, 000 RPM (More than 100 seconds after starting engine.)
 Battery voltage (11 - 14 V)(1)
G04886963
18 (P) 128 (BR) Fuel pump relay Output [Ignition switch: ON]
  • For 1 second after turning ignition switch ON

[Engine is running]		 0 - 1.0 V
[Ignition switch: ON]
  • More than 1 second after turning ignition switch ON
 Battery voltage (11 - 14 V)
21 (V) 128 (BR) Throttle control motor relay Output [Ignition switch: OFF] Battery voltage (11 - 14 V)
[Ignition switch: ON] 0 - 1.0 V
22 (Y) 23 (B) 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
23 (B) - Sensor ground (Heated oxygen sensor 2) - - -
25 (P) 26 (BR) Engine oil temperature sensor Input [Engine is running] 0 - 4.8 V
Output voltage varies with engine oil temperature.
26 (BR) - Sensor ground (Engine oil temperature sensor) - - -
27 (L) - Sensor ground (Engine coolant temperature sensor) - - -
28 (G) 27 (L) Engine coolant temperature sensor Input [Engine is running] 0 - 4.8 V
Output voltage varies with engine coolant temperature.
30 (R) - Sensor ground [Camshaft position sensor (PHASE)] - - -
31 (W) 30 (R) 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 - 2.0(1)
G06932951
[Engine is running]
  • Engine speed is 2, 000 RPM
 1.0 - 2.0(1)
G06932952
32 (B) - Sensor power supply [Camshaft position sensor (PHASE)] - [Ignition switch: ON] 5.0 V
33 (V) 34 (GR) Intake air temperature sensor Input [Engine is running] 0 - 4.8 V
Output voltage varies with intake air temperature.
34 (GR) - Sensor ground (Mass air flow sensor, intake air temperature sensor) - - -
35 (BR) 34 (GR) Mass air flow sensor Input [Ignition switch: ON]
  • Engine stopped
 1.3 V
[Engine is running]
  • Warm-up condition
  • Idle speed
 1.3 - 1.6 V
[Engine is running]
  • Warm-up condition
  • Engine is revving from idle to about 4, 000 RPM
 1.3 - 1.6 to 2.5 V (Check for linear voltage rise in response to engine being increased to about 4, 000 rpm.)
36 (L) - Sensor power supply (Mass air flow sensor, intake air temperature sensor) - [Ignition switch: ON] 5.0 V
37 (-) - Shield - - -
38 (SB) - Sensor ground (Engine oil pressure sensor) - - -
39 (P) 38 (SB) Engine oil pressure sensor Input [Engine is running]
  • Warm-up condition
  • Idle speed
 1.3 V(1)
G06932943
[Engine is running]
  • Warm-up condition
  • Engine speed is 2, 000 RPM
 2.7 V(1)
G06932944
40 (W) 38 (SB) Sensor power supply (Engine oil pressure sensor) - [Ignition switch: ON] 5.0 V
41 (Y) 128 (BR) A/F sensor 1 Input [Ignition switch: ON] 2.2 V
42 (B) - Sensor ground [Exhaust valve timing control position sensor] - - -
43 (LG) 42 (B) 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
 1.0 - 2.0(1)
G06932955
[Engine is running]
  • Engine speed is 2, 000 RPM
 1.0 - 2.0(1)
G09155606
44 (Y) - Sensor power supply [Exhaust valve timing control position sensor] - [Ignition switch: ON] 5 V
45 (G) 128 (BR) A/F sensor 1 Input [Engine is running]
  • Engine speed is 2, 000 RPM
 1.8 V
Output voltage varies with air fuel ratio.
49 (G) 128 (BR) Intake manifold runner control valve motor (Close) Output [Ignition switch ON]
  • Engine coolant temperature: Between -7°C (19°F) and 60°C (140°F)
  • Accelerator pedal: Depressed → fully released
 Battery voltage appears for about 1 second.
50 (V) 128 (BR) Intake manifold runner control valve motor power supply Input [Ignition switch: ON] Battery voltage (11 - 14 V)
51 (Y) 128 (BR) Intake manifold runner control valve motor (Open) Output [Ignition switch ON]
  • Engine coolant temperature: Between -7°C (19°F) and 60°C (140°F)
  • Accelerator pedal: Fully released → depressed
 Battery voltage appears for about 1 second.
52 (B) - ECM ground - - -
53 (P) 128 (BR) A/F sensor 1 heater Input [Engine is running]
  • Warm-up condition
  • Idle speed (More than 140 seconds after starting engine)
 2.9 - 8.8 V(1)
G06932962
54 (V) 128 (BR) 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)
G06932963
[Ignition switch: ON]
  • Engine stopped

[Engine is running]
  • Engine speed: Above 3, 600 RPM
 Battery voltage (11 - 14 V)
56 (GR) 128 (BR) Intake valve timing intermediate lock control solenoid valve 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)
70 (BR) - Sensor ground [Crankshaft position sensor (POS)] - - -
71 (GR) 70 (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 V(1)
G09155609
[Engine is running]
  • Engine speed: 2, 000 RPM
 4.0 V(1)
G06932954
72 (L) - Sensor power supply [Crankshaft position sensor (POS)] - [Ignition switch: ON] 5.0 V
73 (-) - Shield - - -
77 (W) 78 (B) Throttle position sensor 2 Input [Ignition switch: ON]
  • Engine stopped
  • Selector lever: D
  • Accelerator pedal: Fully released
 Less than 4.75 V
[Ignition switch: ON]
  • Engine stopped
  • Selector lever: D
  • Accelerator pedal: Fully depressed
 More than 0.36 V
78 (B) - Sensor ground (Throttle position sensor 1, 2) - - -
79 (G) 78 (B) Throttle position sensor 1 Input [Ignition switch: ON]
  • Engine stopped
  • Selector lever: D
  • Accelerator pedal: Fully released
 More than 0.36 V
[Ignition switch: ON]
  • Engine stopped
  • Selector lever: D
  • Accelerator pedal: Fully depressed
 Less than 4.75 V
80 (R) - Sensor power supply (Throttle position sensor) - [Ignition switch: ON] 5.0 V
81 (R) 128 (BR) Power supply for ECM (Backup) Input [Ignition switch: OFF] Battery voltage (11 - 14 V)
83 (L) 92 (LG) Intake manifold runner control valve position sensor Input [Ignition switch ON]
  • Engine coolant temperature: Between -7°C (19°F) and 60°C (140°F)
  • Accelerator pedal: Fully released
 Less than 1.4 V
[Ignition switch ON]
  • Engine coolant temperature: Between -7°C (19°F) and 60°C (140°F)
  • Accelerator pedal: Slightly depressed
 More than 2.8 V
84 (V) - Sensor power supply (Intake manifold runner control valve position sensor) - [Ignition switch: ON] 5.0 V
85 (G) - Lin communication line Input/Output - -
86 (Y) 128 (BR) Ignition signal No. 1 Output [Engine is running]
  • Warm-up condition
  • Idle speed
    NOTE: The pulse cycle changes depending on RPM at idle
 0 - 0.1 V(1)
G04886958
87 (BR) Ignition signal No. 2
90 (W) Ignition signal No. 3 [Engine is running]
  • Warm-up condition
  • Engine speed: 2, 000 RPM
 0 - 0.2 V(1)
G04886959
91 (SB) Ignition signal No. 4
89 (P) 128 (BR) 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)
92 (LG) - Sensor ground (Intake manifold runner control valve position sensor) - - -
93 (L) 128 (BR) Intake valve timing control solenoid valve 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)(1)
G09140151
94 (BR) 128 (BR) Exhaust 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, 000 RPM
 Battery voltage (11 - 14 V)
97 (GR) 128 (BR) EVAP canister vent control valve Output [Ignition switch: ON] Battery voltage (11 - 14 V)
99 (P) - CAN communication line (CAN-L) Input/Output - -
100 (L) - CAN communication line (CAN-H) Input/Output - -
103 (Y) 124 (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
104 (R) - Sensor power supply (Refrigerant pressure sensor) - [Ignition switch: ON] 5.0 V
109 (LG) 128 (BR) Ignition switch Input [Ignition switch: OFF] 0 V
[Ignition switch: ON] Battery voltage (11 - 14 V)
110 (G) 111 (BR) 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
111 (BR) - Sensor ground (ASCD steering switch) - - -
113 (R) - Sensor power supply (EVAP control system pressure sensor) - [Ignition switch: ON] 5.0 V
114 (BR) 124 (W) EVAP control system pressure sensor Input [Ignition switch: ON] 0.5 - 4.6 V
115 (V) 128 (BR) 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)
116 (GR) 128 (BR) Brake pedal position switch Input [Ignition switch: OFF]
  • Brake pedal: Fully released
 Battery voltage (11 - 14 V)
117 (W) 128 (BR) PNP signal Input [Ignition switch: ON]
  • Selector lever: P or N
 Battery voltage (11 - 14 V)
[Ignition switch: ON]
  • Selector lever: Except above
 0 V
118 (SB) - Sensor power supply (Accelerator pedal position sensor 2) - [Ignition switch: ON] 5.0 V
119 (Y) 120 (LG) 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
120 (LG) - Sensor ground (Accelerator pedal position sensor 2) - - -
121 (BR) 128 (BR) Power supply for ECM Input [Ignition switch: ON] Battery voltage (11 - 14 V)
122 (V) - Sensor power supply (Accelerator pedal position sensor 1) - [Ignition switch: ON] 5.0 V
123 (BR) - ECM ground - - -
124 (W) - Sensor ground (EVAP control system pressure sensor, refrigerant pressure sensor) - - -
125 (BG) 128 (BR) Fuel tank temperature sensor Input [Engine is running] 0 - 4.8 V
Output voltage varies with fuel tank temperature
126 (GR) 127 (L) 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
127 (R) - Sensor ground (Accelerator pedal position sensor 1) - - -
128 (BR) - ECM ground - - -
(1) Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
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