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)ENGINE MECHANICALSTARTERBENCH TESTINGFIELD COIL TEST
1990 Toyota 4Runner 2D Utility, 2.4 R, Automatic
Field Coil Test
1990 Toyota 4Runner 2D Utility, 2.4 R, AutomaticSECTION Field Coil Test
Check field coil for open circuits. There should be continuity between lead wire and field coil brush lead. If not, replace field coil. Check for continuity between field coils and end frame. If continuity exists, replace field coil.
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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.