Throttle Position Sensor: Adjustment

Turn ignition switch to OFF.
Loosen throttle position sensor holding screws.

Fig 1: Loosen Throttle Position Sensor Holding Screws
When using voltage meter;
1. Take out ECM.
2. Turn ignition switch to ON.
3. Adjust throttle position sensor to the proper position to allow the voltage signal to ECM to be in specification.
  Connector & terminal / Specified voltage
  1. (B136) No. 15 - (B136) No. 17/0.45 - 0.55 V
  2. Fully Closed.
  Fig 2: Adjusting Voltage Signal To ECM To Specification
4. Tighten throttle position sensor holding screws.
  Tightening torque:
  1. 2.2+/-0.2 N.m (0.22+/-0.02 kg-m, 1.6+/-0.1 ft-lb)
  Fig 3: Tightening Fasteners To Specification
When using Subaru Select Monitor;
1. Turn ignition switch to OFF.
2. Loosen throttle position sensor holding screws.
  
  Fig 4: Loosen Throttle Position Sensor Holding Screws
  
  NOTE: For detailed operation procedures, refer to the Subaru Select Monitor Operation Manual.
3. Insert the cartridge to Subaru Select Monitor.
  
  Fig 5: Inserting Cartridge Into Subaru Select Monitor
4. Connect Subaru Select Monitor to the data link connector.
Turn ignition switch to ON, and Subaru Select Monitor switch to ON.
Select {2. Each System Check} in Main Menu.
Select {Engine Control System} in Selection Menu.
Select {1. Current Data Display & Save} in Engine Control System Diagnosis.
Select {1.12 Data Display} in Data Display Menu.
Adjust throttle position sensor to the proper position to match with the following specifications.
Condition: Throttle fully closed.
1. Throttle opening angle 0.00%.
2. Throttle sensor voltage 0.50 V.