DTC P2138 App Sensor: Wiring Diagram

WARNING: This page is about a different car, the 2006 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: EC-APPS3-01 - Wiring Diagram

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

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

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)
47	R	Throttle position sensor power supply	[Ignition switch: ON]	Approximately 5V
82	B	APP sensor 1 ground	[Engine is running] Warm-up condition Idle speed	Approximately 0V
83	G	APP sensor 2 ground	[Engine is running] Warm-up condition Idle speed	Approximately 0V
90	R/V	APP sensor 1 power supply	[Ignition switch: ON]	Approximately 5V
91	O	APP sensor 2 power supply	[Ignition switch: ON]	Approximately 5V
98	W/B	Accelerator pedal position sensor 2	[Ignition switch: ON] Engine stopped Accelerator pedal: Fully released	0.25 - 0.5V
98	W/B	Accelerator pedal position sensor 2	[Ignition switch: ON] Engine stopped Accelerator pedal: Fully depressed	0.2 - 2.5V
106	W	Accelerator pedal position sensor 1	[Ignition switch: ON] Engine stopped Accelerator pedal: Fully released	0.5 - 1.0V
106	W	Accelerator pedal position sensor 1	[Ignition switch: ON] Engine stopped Accelerator pedal: Fully depressed	4.2 - 4.8V