infiniti Workshop Repair Guides

Infiniti Workshop Service and Repair Manuals

Sensors and Switches - Ignition System > < Diagram Information and Instructions|Page 2052
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Throttle Position Sensor: Testing and Inspection

Component Inspection

THROTTLE POSITION SENSOR

1. Reconnect all harness connectors disconnected.
2. Perform EC-88, "Throttle Valve Closed Position Learning".  See: Powertrain Management/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 D (A/T) or 1st (M/T) 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-88, "Throttle Valve Closed Position Learning".  See: Powertrain Management/Computers and Control Systems/Testing and

Inspection/Programming and Relearning/Throttle Valve Closed Position Learning

8. Perform EC-89, "Idle Air Volume Learning".  See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Programming

and Relearning/Idle Air Volume Learning

Sensors and Switches - Ignition System > < Diagram Information and Instructions|Page 2052