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, 3.0 V, AUTOMATICREPAIR AND DIAGNOSISBODY & FRAMEPOWER WINDOWS
1990 Toyota 4Runner 2D Utility, 3.0 V, Automatic
Power Windows
1990 Toyota 4Runner 2D Utility, 3.0 V, AutomaticSECTION Power Windows
- Description
- Component Testing
- Master Switch Continuity Inspection (2-Door)
- Illumination Check (2-Door)
- One Touch Power Window System (2-Door)
- Master Switch Continuity Inspection (4-Door)
- Illumination Check (4-Door)
- One Touch Power Window System (4-Door)
- Power Window Switch
- Notes
- Motor Operation Inspection (Left Side Door Motor)
- Circuit Breaker Operation (Left Side Door Motor)
- Motor Operation Inspection (Right Side Door Motor)
- Circuit Breaker Operation (Right Side Door Motor)
- Motor Operation Inspection (Left Side Door)
- Passenger's Door
- Motor Operation Inspection (Right Side Door)
- Back Door Power Window Control System
- Backdoor Warning Light
- Power Window Regulator Switch
- Back Door Control Switch
- Back Door Window Lock Switch
- Door Lock Detection Switch
- Back Door Unlock Warning Switch
- Window Limit Switch
- Power Window Motor (Motor Operation)
- Relay (Power Window & Wiper Relay/Relay Circuit)
- Driver's Door Lock Control Switch (2-Door)
- Driver's Door Lock Control Switch (4-Door)
- Passenger's Door Lock Control Switch
- Door Key Lock & Unlock Switch
- Door Lock Solenoid (Solenoid Operation)
- Inspect Door Lock Control Relay (Relay Circuit)
- Door Lock Signal
- Key-Off Power Window Signal
- Power Window Connector Diagrams
RENDER: 1.0x
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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.