Frontier 2WD L4-2.5L (QR25DE) (2005)
Throttle Position Sensor: Testing and Inspection
Component Inspection
THROTTLE POSITION SENSOR
1. Reconnect all harness connectors disconnected.
2. Perform EC-92, "Throttle Valve Closed Position Learning" See: Computers and Control Systems/Testing and Inspection/Programming and
Relearning/Throttle Valve Closed Position Learning.
3. Turn ignition switch ON.
4. Set shift lever to 1st position.
5. Check voltage between ECM terminals 50 (TP sensor 1 signal), 69 (TP sensor 2 signal) and ground under the given conditions.
6. If NG, replace electric throttle control actuator and go to the next step.
7. Perform EC-92, "Throttle Valve Closed Position Learning" See: Computers and Control Systems/Testing and Inspection/Programming and
Relearning/Throttle Valve Closed Position Learning.
8. Perform EC-93, "Idle Air Volume Learning" See: Computers and Control Systems/Testing and Inspection/Programming and Relearning/Idle Air
Volume Learning.