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)STEERINGELECTRONIC STEERINGSTEERING SYSTEM - ELECTRONICTESTINGNOTES
1990 Toyota 4Runner 2D Utility, 2.4 R, Automatic
Steering System - Electronic: Testing: Notes
1990 Toyota 4Runner 2D Utility, 2.4 R, AutomaticSECTION Notes
NOTE:
For wiring diagrams, see Figure-10
. For additional wiring diagrams, see appropriate chassis wiring diagram in WIRING DIAGRAMS:
- WIRING DIAGRAMS - 4Runner
- WIRING DIAGRAMS - Cressida
- WIRING DIAGRAMS - Pickup
- WIRING DIAGRAMS - Supra
RENDER: 1.0x
NO RELATED
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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.