Fuel Injector: Wiring Diagram

For PG references, see POWER SUPPLY, GROUND & CIRCUIT ELEMENTS

Fig 1: EC-INJECT-01 - Wiring Diagram

Courtesy of NISSAN MOTOR CO., U.S.A.

Specification data are reference values and are measured between each terminal and ground.

Pulse signal is measured by CONSULT-II.

CAUTION: Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in damage to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.

ECM SPECIFICATION DATA AND REFERENCE VALUES

TERMINAL NO.

WIRE COLOR

ITEM

CONDITION

DATA (DC Voltage)

21
22
23
40
41
42

L/W
R/Y
R/B
V/W⁽¹⁾
P/R⁽²⁾
R/L
R/W

Fuel injector No. 5
Fuel injector No. 3
Fuel injector No. 1
Fuel injector No. 6
Fuel injector No. 4
Fuel injector No. 2

[Engine is running]

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

BATTERY VOLTAGE (11 - 14V)⁽¹⁾

Courtesy of NISSAN MOTOR CO., U.S.A.

[Engine is running]

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

BATTERY VOLTAGE (11 - 14V)⁽¹⁾

Courtesy of NISSAN MOTOR CO., U.S.A.

⁽¹⁾	4-speed A/T models

⁽²⁾	5-speed A/T models

⁽³⁾	Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)