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Home >> Infiniti >> 2017 >> QX30 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Wiring Diagrams And Basic Inspection) >> Ecu Diagnosis Information >> ECM >> Reference Value >> Physical Values
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Physical Values

NOTE:

Pulse signal is measured by CONSULT.

Terminal No.
(Wire color)
Description Condition Value
(Approx.)
+ - Signal name Input/Output
1
(BR/B)
98
(BR)
Fuel injector (No. 1) Output [Ignition switch: ON] 0.5 V
[Engine is running]
  • Idle speed
GNSJSBIA5286GB-286Courtesy of NISSAN NORTH AMERICA, INC.
2
(GY)
98
(BR)
Fuel injector (No. 1) Output [Ignition switch: ON] 0.5 V
[Engine is running]
  • Idle speed
 
GNSJSBIA9608GB-608Courtesy of NISSAN NORTH AMERICA, INC.
3
(Y/BR)
98
(BR)
Partial load operation crankcase ventilation valve Output [Ignition switch: ON] 0 V
[Engine is running]
  • Idle speed
Battery voltage
4
(G/W)
98
(BR)
Coolant thermostat heater element Output [Ignition switch: ON]
Coolant temperature: Approx. 24°C (75.2°F)*1
3.42 V
7
(L)
98
(BR)
Ignition coil (No. 2) Output [Engine is running]
  • Warm-up condition
  • Idle speed
    NOTE:

    The pulse cycle changes depending on RPM at idle

GNSJSBIA9609GB-609Courtesy of NISSAN NORTH AMERICA, INC.
[Engine is running]
  • Warm-up condition
  • Engine speed: 2, 000 RPM
GNSJSBIA9610GB-610Courtesy of NISSAN NORTH AMERICA, INC.
10
(R/Y)
- Sensor ground (Intake camshaft position sensor, exhaust camshaft position sensor) - - -
11
(G/Y)
- Sensor ground (Engine coolant temperature sensor, charge air temperature sensor downstream of throttle valve, charge air temperature sensor upstream of throttle valve, pressure sensor upstream of throttle valve, pressure sensor downstream of air filter) - - -
12
(R/V)
- Sensor ground (Crankshaft position sensor, fuel pressure and temperature sensor, pressure sensor downstream of throttle valve) - - -
13
(BR)
- Sensor ground (Heated oxygen sensor) - - -
14
(BR/G)
- Sensor ground (Throttle valve actuator) - - -
16
(W/B)
98
(BR)
Sensor power supply (Pressure sensor upstream of throttle valve, pressure sensor downstream of air filter, intake camshaft position sensor, exhaust camshaft position sensor) Output [Ignition switch: ON] 5 V
17
(BR/W)
98
(BR)
Sensor power supply (Throttle valve actuator) Output [Ignition switch: ON] 5 V
18
(W/V)
98
(BR)
Sensor power supply (Crankshaft position sensor, fuel pressure and temperature sensor, pressure sensor downstream of throttle valve) Output [Ignition switch: ON] 5 V
23
(B/BR)
98
(BR)
Divert air switchover valve Output [Ignition switch: ON] Battery voltage
[Ignition switch: ON]
Perform "CHECK DECELERATION AIR SWITCHOVER VALVE" in "ACTIVE TEST" mode.*1
Touch "START" and select "OPEN".
0.5 V
24
(L/R)
98
(BR)
Throttle valve motor (+) Output [Ignition switch: ON] 0 V
[Ignition switch: ON]
  • Engine stopped
  • Accelerator pedal: Fully depressed
2 V
[Ignition switch: ON]
  • Engine stopped
  • Accelerator pedal: For few seconds after depressing fully.
10 V
25
(L/G)
98
(BR)
Fuel injector (No. 4) Output [Ignition switch: ON] 0.5 V
[Engine is running]
  • Idle speed
GNSJSBIA5286GB-286Courtesy of NISSAN NORTH AMERICA, INC.
26
(W/L)
98
(BR)
Fuel injector (No. 4) Output [Ignition switch: ON] 0.5 V
[Engine is running]
  • Idle speed
GNSJSBIA9608GB-608Courtesy of NISSAN NORTH AMERICA, INC.
28
(W/R)
98
(BR)
Engine oil pump valve Output [Ignition switch: ON]
Cold condition
Battery voltage
[Ignition switch: ON]
Warm-up condition
1.6 V
[Engine is running]
  • Idle speed
1.9 VSTARF
STARFGNSJSBIA9611GB-611Courtesy of NISSAN NORTH AMERICA, INC.
29
(B)
98
(BR)
Intake camshaft actuator Output [Ignition switch: ON] Battery voltage
[Engine is running]
  • Idle speed
Battery voltageSTARF
STARFGNSJSBIA9612GB-612Courtesy of NISSAN NORTH AMERICA, INC.
31
(V/L)
98
(BR)
Ignition coil (No. 4) Output [Engine is running]
  • Warm-up condition
  • Idle speed
    NOTE:

    The pulse cycle changes depending on RPM at idle

0.04 VSTARF
STARFGNSJSBIA9609GB-609Courtesy of NISSAN NORTH AMERICA, INC.
[Engine is running]
  • Warm-up condition
  • Engine speed: 2, 000 RPM
0.04 VSTARF
STARFGNSJSBIA9610GB-610Courtesy of NISSAN NORTH AMERICA, INC.
33
(BR/O)
98
(BR)
Intake camshaft valve lift switchover actuator Output [Ignition switch: ON] 2 V
[Engine is running]
  • Warm-up condition
  • Engine speed: 2, 000 RPM
2 VSTARF
STARFGNSJSBIA9624GB-624Courtesy of NISSAN NORTH AMERICA, INC.
[Ignition switch: ON]
Perform "Check intake camshaft valve lift switching actuator" in "ACTIVE TEST" mode.*
Touch "START"
2.6 V
During operation
34
(Y/L)
98
(BR)
Exhaust camshaft position sensor Input [Engine is running]
  • Warm-up condition
  • Idle speed
    NOTE:

    The pulse cycle changes depending on RPM at idle

GNSJSBIA5290GB-290Courtesy of NISSAN NORTH AMERICA, INC.
[Engine is running]
  • Warm-up condition
  • Engine speed: 2, 000 RPM
GNSJSBIA5291GB-291Courtesy of NISSAN NORTH AMERICA, INC.
36
(O/B)
98
(BR)
EVAP control system pressure sensor Input [Ignition switch: ON] 1.8 - 4.8 V
37
(GY/L)
98
(BR)
Heated oxygen sensor Input [Ignition switch: ON]
Cold condition
1.5 V
[Engine is running]
  • Warm-up condition
  • Idle speed
0.8 V
38
(GY/R)
98
(BR)
Throttle position sensor 2 Input [Ignition switch: ON]
  • Engine stopped
  • Accelerator pedal: Fully released
0.74 V
[Ignition switch: ON]
  • Engine stopped
  • Accelerator pedal: Fully depressed
4.3 V
40
(BR/GY)
98
(BR)
Charge air temperature sensor downstream of throttle valve Input [Ignition switch: ON]
  • Charge air temperature: 21°C (69.8°F)*
3.8 V
[Ignition switch: ON]
  • Charge air temperature downstream of throttle valve: 27°C (80.6°F)*
3.6 V
41
(Y/B)
98
(BR)
Pressure sensor upstream of throttle valve Input [Ignition switch: ON] 1.96 V
[Engine is running]
  • Engine speed: 2, 000 RPM
2 V
45
(L/W)
98
(BR)
LIN Input/Output [Ignition switch: ON] 11 V
48
(G/V)
98
(BR)
Throttle valve motor (-) Output [Ignition switch: ON] 0 V
[Ignition switch: ON]
  • Engine stopped
  • Accelerator pedal: Fully depressed
0.1 V
[Ignition switch: ON]
  • Engine stopped
  • Accelerator pedal: For few seconds after depressing fully.
12 V
49
(BR/L)
98
(BR)
Fuel injector (No. 3) Output [Ignition switch: ON] 0.5 V
[Engine is running]
  • Idle speed
GNSJSBIA5286GB-286Courtesy of NISSAN NORTH AMERICA, INC.
50
(B/Y)
98
(BR)
Fuel injector (No. 3) Output [Ignition switch: ON] 0.5 V
[Engine is running]
  • Idle speed
 
GNSJSBIA9608GB-608Courtesy of NISSAN NORTH AMERICA, INC.
51
(BR/Y)
98
(BR)
Boost pressure control vacuum transducer Output [Ignition switch: ON] Battery voltage
[Engine is running]
  • Idle speed
Battery voltageSTARF
STARFGNSJSBIA9613GB-613Courtesy of NISSAN NORTH AMERICA, INC.
53
(P/Y)
98
(BR)
Exhaust camshaft actuator Output [Ignition switch: ON] Battery voltage
[Engine is running]
  • Idle speed
Battery voltageSTARF
STARFGNSJSBIA9614GB-614Courtesy of NISSAN NORTH AMERICA, INC.
[Engine is running]
  • Engine speed: 2, 000 RPM
Battery voltageSTARF
STARFGNSJSBIA9615GB-615Courtesy of NISSAN NORTH AMERICA, INC.
54
(BR/B)
98
(BR)
Coolant pump switchover valve Output [Ignition switch: ON] Battery voltage
[Engine is running]
  • Coolant temperature: 85°C
  • Idle speed
  • A/C switch off
0 V
55
(G)
98
(BR)
Ignition coil (No. 3) Output [Engine is running]
  • Warm-up condition
  • Idle speed
    NOTE:

    The pulse cycle changes depending on RPM at idle

GNSJSBIA9609GB-609Courtesy of NISSAN NORTH AMERICA, INC.
[Engine is running]
  • Warm-up condition
  • Engine speed: 2, 000 RPM
GNSJSBIA9610GB-610Courtesy of NISSAN NORTH AMERICA, INC.
58
(R/B)
98
(BR)
Intake camshaft position sensor Input [Engine is running]
  • Warm-up condition
  • Idle speed
    NOTE:

    The pulse cycle changes depending on RPM at idle

GNSJSBIA9616GB-616Courtesy of NISSAN NORTH AMERICA, INC.
[Engine is running]
  • Warm-up condition
  • Engine speed: 2, 000 RPM
GNSJSBIA9617GB-617Courtesy of NISSAN NORTH AMERICA, INC.
59
(V/GY)
98
(BR)
Knock sensor 2 Input [Ignition switch: ON] 1.63 V
[Engine is running]
  • Idle speed
1.63 VSTARF
STARFGNSJSBIA9618GB-618Courtesy of NISSAN NORTH AMERICA, INC.
[Engine is running]
  • Engine speed: 2, 000 RPM
1.45 VSTARF
STARFGNSJSBIA9619GB-619Courtesy of NISSAN NORTH AMERICA, INC.
60
(G/B)
98
(BR)
Knock sensor 1 Input [Ignition switch: ON] 1.63 V
[Engine is running]
  • Idle speed
1.63 VSTARF
STARFGNSJSBIA9620GB-620Courtesy of NISSAN NORTH AMERICA, INC.
[Engine is running]
  • Engine speed: 2, 000 RPM
1.45 VSTARF
STARFGNSJSBIA9622GB-622Courtesy of NISSAN NORTH AMERICA, INC.
61
(BR/R)
98
(BR)
Charge air temperature sensor upstream of throttle valve Input [Ignition switch: ON]
  • Charge air temperature upstream of throttle valve: 21°C (69.8°F)*1
3.87 V
[Ignition switch: ON]
  • Charge air temperature upstream of throttle valve: 27°C (80.6°F)*1
3.6 V
62
(Y/GY)
98
(BR)
Throttle position sensor 1 Input [Ignition switch: ON]
  • Engine stopped
  • Accelerator pedal: Fully released
0.58 V
[Ignition switch: ON]
  • Engine stopped
  • Accelerator pedal: Fully depressed
4.24 V
63
(L/R)
98
(BR)
Air fuel ratio (A/F) sensor Input [Ignition switch: ON] 2.7 V
64
(B/Y)
98
(BR)
Air fuel ratio (A/F) sensor Input [Ignition switch: ON] 2.5 V
65
(Y/R)
98
(BR)
Fuel temperature signal Input Fuel temperature: Approx. 24°C (75.2°F)*1 3.8 V
Fuel temperature: Approx. 31°C (87.8°F)*1 3.5 V
67
(W/L)
98
(BR)
Fuel pressure signal Input [Ignition switch: ON] 2.5 V
[Engine is running]
  • Idle speed
3.33 V
72
(R/GY)
98
(BR)
Intake camshaft valve lift switchover position sensor 2 Output [Ignition switch: ON] 12 V
[Engine is running]
  • Idle speed
12 VSTARF
STARFGNSJSBIA9625GB-625Courtesy of NISSAN NORTH AMERICA, INC.
[Engine is running]
  • Perform "Check intake camshaft valve lift switching actuator" in "ACTIVE TEST" mode.*1

    Touch "START"

  • Change cam (small valve lift ==> normal valve lift)
  • Move small valve lift
GNSJSBIA9627GB-627GNSJSBIA9628GB-628Courtesy of NISSAN NORTH AMERICA, INC.NISSAN NORTH AMERICA, INC.
  • Move return normal valve lift
GNSJSBIA9627GB-627GNSJSBIA9628GB-628Courtesy of NISSAN NORTH AMERICA, INC.NISSAN NORTH AMERICA, INC.
73
(B/R)
98
(BR)
Fuel injector (No. 2) Output [Ignition switch: ON] 0.5 V
[Engine is running]
  • Idle speed
GNSJSBIA5286GB-286Courtesy of NISSAN NORTH AMERICA, INC.
74
(B/W)
98
(BR)
Fuel injector (No. 2) Output [Ignition switch: ON] 0.5 V
[Engine is running]
  • Idle speed
 
GNSJSBIA9608GB-608Courtesy of NISSAN NORTH AMERICA, INC.
75
(V)
98
(BR)
Quantity control valve (LOW) Output [Ignition switch: ON] 0.72 V
[Engine is running]
  • Idle speed
GNSJSBIA9631GB-631Courtesy of NISSAN NORTH AMERICA, INC.
[Engine is running]
  • Engine speed: 2, 000 RPM
GNSJSBIA9632GB-632Courtesy of NISSAN NORTH AMERICA, INC.
76
(G/B)
98
(BR)
Quantity control valve (HIGH) Output [Ignition switch: ON] 0.72 V
[Engine is running]
  • Idle speed
GNSJSBIA9633GB-633Courtesy of NISSAN NORTH AMERICA, INC.
[Engine is running]
  • Engine speed: 2, 000 RPM
GNSJSBIA9634GB-634Courtesy of NISSAN NORTH AMERICA, INC.
77
(R/B)
98
(BR)
Air fuel ratio (A/F) sensor heater Output [Ignition switch: ON] Battery voltage
[Engine is running]
  • Warm-up condition
  • Idle speed
Battery voltageSTARF
STARFGNSJSBIA5302GB-302Courtesy of NISSAN NORTH AMERICA, INC.
78
(V/G)
98
(BR)
Full-load operation vent line heater element Output [Ignition switch: ON] Battery voltage
79
(P)
98
(BR)
Ignition coil (No. 1) Output [Engine is running]
  • Warm-up condition
  • Idle speed
    NOTE:

    The pulse cycle changes depending on RPM at idle

GNSJSBIA9609GB-609Courtesy of NISSAN NORTH AMERICA, INC.
[Engine is running]
  • Warm-up condition
  • Engine speed: 2, 000 RPM
GNSJSBIA9610GB-610Courtesy of NISSAN NORTH AMERICA, INC.
81
(Y/W)
98
(BR)
Crankshaft position sensor Input [Ignition switch: ON] 5 V
[Engine is running]
  • Idle speed
4.7 VSTARF
STARFGNSJSBIA9637GB-637Courtesy of NISSAN NORTH AMERICA, INC.
82
(O)
98
(BR)
Engine oil level switch Input Engine oil level: Filled enough 0 V
83
(P/G)
98
(BR)
Knock sensor 2 Input [Ignition switch: ON] 1.63 V
[Engine is running]
  • Idle speed
1.63 VSTARF
STARFGNSJSBIA9638GB-638Courtesy of NISSAN NORTH AMERICA, INC.
[Engine is running]
  • Engine speed: 2, 000 RPM
1.45 VSTARF
STARFGNSJSBIA9639GB-639Courtesy of NISSAN NORTH AMERICA, INC.
84
(W/Y)
98
(BR)
Knock sensor 1 Input [Ignition switch: ON] 1.63 V
[Engine is running]
  • Idle speed
1.63 VSTARF
STARFGNSJSBIA9640GB-640Courtesy of NISSAN NORTH AMERICA, INC.
[Engine is running]
  • Engine speed: 2, 000 RPM
1.45 VSTARF
STARFGNSJSBIA9641GB-641Courtesy of NISSAN NORTH AMERICA, INC.
86
(GY/Y)
98
(BR)
Engine coolant temperature sensor Input Engine coolant temperature: 31°C (87.8°F)* 2.8 V
Engine coolant temperature: 80°C (176°F)* 0.5 V
87
(V)
98
(BR)
Air fuel ratio (A/F) sensor Input [Ignition switch: ON] 2.9 V
88
(GY/B)
98
(BR)
Air fuel ratio (A/F) sensor Input [Ignition switch: ON] 2.8 V
[Engine is running]
  • Warm-up condition
  • Idle speed
2.1 - 2.8 V
Output voltage varies with air fuel ratio.
90
(O/G)
98
(BR)
Pressure sensor downstream of air filter Input [Ignition switch: ON] 4.34 V
[Engine is running]
  • Warm-up condition
  • Idle speed
4.34 V
91
(GY)
98
(BR)
Pressure sensor downstream of throttle valve Input [Ignition switch: ON] 1.96 V
[Engine is running]
  • Warm-up condition
  • Idle speed
0.84 V
[Engine is running]
  • Warm-up condition
  • Engine speed: 2, 000 RPM
0.55 V
95
(R)
98
(BR)
Heated oxygen sensor heater Output [Ignition switch: ON] Battery voltage
[Engine is running]
  • Warm-up condition
  • Idle speed
Battery voltageSTARF
STARFGNSJSBIA9642GB-642Courtesy of NISSAN NORTH AMERICA, INC.
96
(L/Y)
98
(BR)
Intake camshaft valve lift switchover position sensor 1 Output [Ignition switch: ON] 12 V
[Engine is running]
  • Idle speed
12 VSTARF
STARFGNSJSBIA9625GB-625Courtesy of NISSAN NORTH AMERICA, INC.
[Engine is running]
  • Perform "Check intake camshaft valve lift switching actuator" in "ACTIVE TEST" mode.*1

    Touch "START"

  • Change cam (small valve lift ==> normal valve lift)
  • Move small valve lift
GNSJSBIA9629GB-629GNSJSBIA9630GB-630Courtesy of NISSAN NORTH AMERICA, INC.NISSAN NORTH AMERICA, INC.
  • Move return normal valve lift
GNSJSBIA9629GB-629GNSJSBIA9630GB-630Courtesy of NISSAN NORTH AMERICA, INC.NISSAN NORTH AMERICA, INC.
97
(R)
98
(BR)
Power supply (ECM) Input [Ignition switch: ON] Battery voltage
98
(BR)
- ECM ground - - -
99
(V)
98
(BR)
Power supply (ECM) Input [Ignition switch: ON] Battery voltage
100
(BR)
- ECM ground - - -
101
(R)
98
(BR)
Power supply (ECM) Input [Ignition switch: ON] Battery voltage
102
(B)
- ECM ground - - -
103
(L)
98
(BR)
Cooling fan control signal Output [Ignition switch: ON]
  • Cooling fan: Not operates
GNSJSBIA9643GB-643Courtesy of NISSAN NORTH AMERICA, INC.
[Ignition switch: ON]
  • Perform "CHECK COMBUSTION ENGINE AND AC WITH INTEGRATED CONTROL FAN MOTOR" in "ACTIVE TEST" mode.*1
  • Touch "START"
  • Cooling fan: 60% operates*
GNSJSBIA9644GB-644Courtesy of NISSAN NORTH AMERICA, INC.
104
(R)
106
(BR)
Sensor power supply (Accelerator pedal position sensor 1) Output [Ignition switch: ON] 5 V
105
(G)
119
(GR)
Sensor power supply (Accelerator pedal position sensor 2) Output [Ignition switch: ON] 5 V
106
(BR)
- Sensor ground (Accelerator pedal position sensor 1) - - -
111
(B)
98
(BR)
Ignition signal Input [Ignition switch: ON] 12 V
112
(Y)
98
(BR)
Power supply (Battery) Input - Battery voltage
116
(W)
98
(BR)
Starter relay-L Output [Ignition switch: ON] 3.45 V
During engine cranking 3.45 V → 0 V → 3.45 V
119
(GR)
- Sensor ground (Accelerator pedal position sensor 2) - - -
120*2
(O)
- Sensor ground (Fuel tank pressure sensor) - - -
122
(R)
98
(BR)
Hot start signal Output [Ignition switch: ON] 12 V
123
(GR)
98
(BR)
Motor relay control signal Output [Ignition switch: ON] 12 V
[Ignition switch: OFF]
  • After ECM self shut-off
12 V
127
(O)
98
(BR)
Fuel pump on signal Output [Ignition switch: ON]
  • Fuel pump: Not operates
12 V
[Engine is running]
  • Warm-up condition
  • Idle speed
0 V
132
(G)
106
(BR)
Accelerator pedal position sensor 1 Input [Ignition switch: ON]
  • Accelerator pedal: Fully depressed
4.56 V
[Ignition switch: ON]
  • Accelerator pedal: Released
0.32 V
136
(Y)
- Powertrain sensor CAN-H Input/Output - -
137
(W)
- CAN-H Input/Output - -
138
(GR)
- Powertrain CAN-H Input/Output - -
141
(B)
98
(BR)
Water pump relay control signal Output [Ignition switch: ON] 12 V
145
(W)
119
(GR)
Accelerator pedal position sensor 2 Input [Ignition switch: ON]
  • Accelerator pedal: Fully depressed
2.27 V
[Ignition switch: ON]
  • Accelerator pedal: Released
0.16 V
146*2
(G)
120
(O)
Fuel tank pressure sensor Input [Ignition switch: ON] 2.486 V
[Engine is running]
  • Engine speed: Idle
2.492 V
147
(L)
98
(BR)
Crash signal Input [Ignition switch: ON] 0 V
148
(W)
98
(BR)
Starter relay-H Output [Ignition switch: ON] 3.45 V
During engine cranking 3.45 V → 0 V → 3.45 V
149
(B)
- Powertrain sensor CAN-L Input/Output - -
150
(G)
- CAN-L Input/Output - -
151
(L)
- Powertrain CAN-L Input/Output - -
152*2
(V)
98
(BR)
EVAP canister vent control valve Output [Ignition switch: ON] BATTERY VOLTAGE
(11 - 14 V)
153
(BR)
98
(BR)
EVAP purge control valve Output [Ignition switch: OFF] Battery voltage
[Engine is running]
  • Idle speed
BATTERY VOLTAGESTARF
STARFGNSJSBIA9645GB-645Courtesy of NISSAN NORTH AMERICA, INC.

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

*1: It can be confirmed using CONSULT.

*2: Except for Mexico