RH Side

Disconnect the ground terminal from battery sensor. <Ref. to BATTERY , NOTE, Note.>
Remove the clips (A) and (B) which secure the engine harness and bulkhead harness to the bracket, and remove the bolt which secures the engine control module (ECM) to the bracket.

Fig 1: Locating Battery Sensor Clips
Courtesy of SUBARU OF AMERICA, INC.
Pull out the engine control module (ECM) from the bracket, and move it to a location that does not interfere operation.
NOTE: When performing the pulling out operation, pay attention not to apply excessive load to the breather filter portion (a) in order to avoid the damage.

Fig 2: Identifying Breather Filter Portion
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector from ignition coil.
NOTE: While pressing the spring (a) shown in the figure, slide it in the direction of the arrow with a clip remover.

Fig 3: Locating Spring
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Remove the ignition coil.

Fig 4: Locating Ignition Coil Bolt
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Remove the spark plug with a spark plug socket.