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Firing Order

FIRING ORDER

Application Firing Order
ES300 & RX300 (1) (2) 1-2-3-4-5-6
GS300 & IS300 (3) 1-5-3-6-2-4
GS430, GX470, LS430, LX470 & SC430 (1) (4) 1-8-4-3-6-5-7-2
(1) System uses a Distributorless Ignition System (DIS) with ignition coil for each cylinder.
(2) Cylinder No. 1 is front cylinder on right side of engine when viewed from flywheel end of engine. Cylinder No. 2 is front cylinder on left side of engine when viewed from flywheel end of engine. Cylinders No. 1, 3 and 5 are on right side of engine. Cylinders No. 2, 4 and 6 are on left side of engine.
(3) System uses a Distributorless Ignition System (DIS) with 3 ignition coils. Each coil fires 2 cylinders. Cylinders are paired as follows: No. 1-6, 2-5, and 3-4.
(4) Cylinder No. 1 is front cylinder on left side of engine when viewed from flywheel end of engine. Cylinder No. 2 is front cylinder on right side of engine when viewed from flywheel end of engine. Cylinders No. 1, 3, 5 and 7 are on left side of engine. Cylinders No. 2, 4, 6 and 8 are on right side of engine.
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