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.
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HOMESERVICE MANUALSTOYOTA19904RUNNER 2D UTILITY, 2.4 R, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONENGINE PERFORMANCEELECTROSTATIC DISCHARGE WARNING - GENERAL INFORMATIONHANDLING STATIC-SENSITIVE CIRCUITS/DEVICES
1990 Toyota 4Runner 2D Utility, 2.4 R, Automatic
Handling Static-Sensitive Circuits/Devices
1990 Toyota 4Runner 2D Utility, 2.4 R, AutomaticSECTION Handling Static-Sensitive Circuits/Devices
NOTE:
This article is intended for general information purposes only. Contents are generic in nature and all information may or may not apply to all vehicles.
When handling an electronic part that is ESD sensitive, the technician should follow these guidelines to reduce any possible electrostatic charge build-up on the technician's body and the electronic part.
- Always touch a known good ground source before handling the part. This should be repeated while handling the part and more frequently after sitting down from a standing position, sliding across the seat or walking a distance.
- Avoid touching electrical terminals of the part, unless instructed by a diagnostic procedure.
- DO NOT open the package of a new part until it is time to install the part.
- Before removing the part from its package, ground the package to a known good ground source.
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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.