Engine removal is not required for this procedure.
Remove the engine cover(A).
Remove the RH front wheel.
Remove the 2 bolts(B) and RH side cover(A).
Temporarily loosen the water pump pulley bolts.
Remove the alternator drive belt(A). (Refer to EE group - alternator)
Remove the air conditioner compressor drive belt(B).
(Refer to HA group - air conditioner compressor)
Remove the 4 bolts and water pump pulley.
Remove the 4 bolts(B) and timing belt upper cover(A).
Turn the crankshaft pulley, and align its groove with timing mark "T" of the timing belt cover. Check that the timing mark of camshaft sprocket is aligned with the timing mark of cylinder head cover. (No.1 cylinder compression TDC position)
Remove the crankshaft pulley bolt and crankshaft pulley(A).
Remove the crankshaft flange(A).
Remove the 4 bolts(B) and timing belt lower cover(A).
Remove the timing belt tensioner(A) and timing belt.
If the timing belt reused, make an arrow indicating the turning direction to make sure that the belt is reinstalled in the same direction as before.
Remove the bolt(B) and timing belt idler(A).
Remove the crankshaft sprocket(A).
Remove the cylinder head cover.
Remove the ignition coil.
Remove the PCV (Positive Crankcase Ventilation) hose(A) and the breather hose(B) from the cylinder head cover.
Loosen the cylinder head cover bolts(B) and then remove the cover(A) and gasket.
Remove the camshaft sprocket.
Hold the portion(A) of the camshaft with a hexagonal wrench, and remove the bolt(C) with a wrench(B) and remove the camshaft sprocket.
Be careful not to damage the cylinder head and valve lifter with the wrench.