Firing Order & Timing Marks: Notes

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FIRING ORDER

Application

Firing Order

4-Cylinder ⁽¹⁾

Camry CNG & Gasoline Models, & Camry Solara

⁽²⁾ 1-3-4-2

Celica, Corolla, ECHO, Highlander, MR2, Prius, RAV4 & Tacoma

⁽³⁾ 1-3-4-2

V6 ⁽⁴⁾

Avalon

⁽³⁾⁽⁵⁾ 1-2-3-4-5-6

Camry & Camry Solara

⁽⁶⁾ 1-2-3-4-5-6

Highlander

⁽³⁾⁽⁵⁾ 1-2-3-4-5-6

Sienna

⁽³⁾⁽⁵⁾ 1-2-3-4-5-6

Tacoma, Tundra & 4Runner

⁽⁷⁾ 1-2-3-4-5-6

Land Cruiser, Sequoia & Tundra

⁽³⁾⁽⁸⁾ 1-8-4-3-6-5-7-2

⁽¹⁾	Cylinder No. 1 is located at timing belt or timing chain end of engine. Cylinder No. 4 is located at flywheel end of engine.

⁽²⁾	System uses a Distributorless Ignition System (DIS) with 2 ignition coils. Cylinders No. 1 and 4 use the same ignition coil. Cylinders No. 2 and 3 use the same ignition coil. See Figure

⁽³⁾	System uses a Distributorless Ignition System (DIS) with ignition coil on spark plug for each cylinder.

⁽⁴⁾

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.

⁽⁵⁾	See Figure.

⁽⁶⁾	System uses a Distributorless Ignition System (DIS) with 3 ignition coils. Two cylinders fire simultaneously using same ignition coil. See Figure.

⁽⁷⁾	System uses a Distributorless Ignition System (DIS) with 3 ignition coils. Two cylinders fire simultaneously using same ignition coil. See Figure.

⁽⁸⁾

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 on right side of engine. See Figure.