Exhaust Side

Disconnect the ground cable from battery.

Fig 1: Disconnecting Ground Cable From Battery - Exhaust Side
Courtesy of SUBARU OF AMERICA, INC.
Remove the under cover. < Ref. to REMOVAL , Front Under Cover. >
Disconnect the connector (A) from the camshaft position sensor, and remove the camshaft position sensor from the chain cover.
- RH side
  
  Fig 2: Identifying Camshaft Position Sensor Connector With Bolt (RH Side)
  Courtesy of SUBARU OF AMERICA, INC.
- LH side
  
  Fig 3: Identifying Camshaft Position Sensor Connector With Bolt (LH Side)
  Courtesy of SUBARU OF AMERICA, INC.