Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

1997 Lexus LX 450FACTORY OEM SERVICE PROCEDURE

Firing Order

Fig 1: Ignition Wire Routing

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

FIRING ORDER

Application

Firing Order

6-Cylinder ⁽¹⁾

1-5-3-6-2-4

⁽¹⁾	Cylinder No. 1 is located at timing belt or timing chain end of engine. Cylinder No. 6 is located at flywheel end of engine.

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.