April 5, 2026: LEMON Manuals is launched! Read the announcement.

Throttle Position Sensor

Reconnect all harness connectors disconnected.
Perform "THROTTLE VALVE CLOSED POSITION LEARNING ".
Turn ignition switch ON.
Set shift lever to D position (A/T models) or 1st position (M/T models).

Check voltage between ECM terminals 50 (TP sensor 1), 69 (TP sensor 2) and ground under the following conditions.

Fig 1: Checking Voltage Between ECM Terminals 50, 69 And Ground

G04192205

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

ACCELERATOR PEDAL TERMINAL VOLTAGE SPECIFICATION

Terminal	Accelerator pedal	Voltage
50 (Throttle position sensor 1)	Fully released	More than 0.36V
50 (Throttle position sensor 1)	Fully depressed	Less than 4.75V
69 (Throttle position sensor 2)	Fully released	Less than 4.75V
69 (Throttle position sensor 2)	Fully depressed	More than 0.36V

If NG, replace electric throttle control actuator and go to the next step.
Perform "THROTTLE VALVE CLOSED POSITION LEARNING ".
Perform "IDLE AIR VOLUME LEARNING ".