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 ES 300FACTORY OEM SERVICE PROCEDURE

Ignition Timing

IGNITION TIMING (Degrees BTDC @ RPM)

Application

⁽¹⁾ Base Timing

⁽²⁾ Controlled Timing

ES300

8-12 @ 650-750

7-24 @ 650-750

⁽¹⁾	Jumper wire connected between terminals TE1 and E1 of DLC No. 1.

⁽²⁾	Jumper wire disconnected from DLC No. 1.

Factory Service Tools

Use the Manual With the Right Hardware

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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.