Intake Side

Remove the collector cover.
1. Carefully pull up the rear of collector cover at two positions (A).
2. Carefully pull up the front of collector cover at two positions (B) while moving it forward.
  
  Fig 1: Removing Collector Cover
  Courtesy of SUBARU OF AMERICA, INC.
Disconnect the ground terminal from battery sensor. < Ref. to BATTERY , NOTE, Repair Contents. >
Remove the fuel injector. < Ref. to REMOVAL , Fuel Injector. >
Disconnect the connector (A) from the camshaft position sensor, and remove the camshaft position sensor.
- RH side
  
  Fig 2: Identifying Camshaft Position Sensor With Bolt (RH Side)
  Courtesy of SUBARU OF AMERICA, INC.
- LH side
  
  Fig 3: Locating Camshaft Position Sensor With Bolt (LH Side)
  Courtesy of SUBARU OF AMERICA, INC.