Nissan Note [1674/1872] Ec 1674

Nissan Note [1674/1872] Ec 1674
EC-1674
[K9K]
TROUBLE DIAGNOSIS
ECM INSPECTION TABLE
Remarks: 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 dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
TERMI-
NAL
NO.
WIRE
COLOR
ITEM CONDITION
DATA
(DC Voltage and Pulse Signal)
1 L CAN communication line [Ignition switch ON]
Approximately 2.6V
Output voltage varies with the
communication status.
2 LG Data link connector
[Ignition switch ON]
CONSULT-II is disconnected.
Approximately 2.6V
5R Stoplampswitch
[Ignition switch OFF]
Brake pedal: Fully released
Approximately 0V
[Ignition switch OFF]
Brake pedal: Slightly depressed
BATTERY VOLTAGE
(11 - 14V)
6L/R
Sensor ground
(Accelerator pedal position
sensor 2)
[Engine is running]
Warm-up condition
Idle speed
Approximately 0.3V
7 Y CAN communication line [Ignition switch ON]
Approximately 2.4V
Output voltage varies with the
communication status.
12 L/W
Accelerator pedal position
sensor 2
[Ignition switch ON]
Engine stopped
Accelerator pedal: Fully released
Approximately 0.4V
[Ignition switch ON]
Engine stopped
Accelerator pedal: Fully depressed
Approximately 2.0V
18 L
Sensor power supply
(Accelerator pedal position
sensor 2)
[Ignition switch ON] Approximately 4.6V
22 O Ignition switch [Ignition switch ON]
BATTERY VOLTAGE
(11 - 14V)
25
26
27
B
B
B
ECM ground
[Engine is running]
Warm-up condition
Idle speed
Approximately 0V
28 B
Sensor ground
(Accelerator pedal position
sensor 1)
[Engine is running]
Warm-up condition
Idle speed
Approximately 0.24V
29 R
Sensor power supply
(Accelerator pedal position
sensor 1)
[Ignition switch ON] Approximately 5.0V
30 W
Accelerator pedal position
sensor 1
[Ignition switch ON]
Engine stopped
Accelerator pedal: Fully released
Approximately 0.76V
[Ignition switch ON]
Engine stopped
Accelerator pedal: Fully depressed
Approximately 4.2V

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