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.

1992 Toyota Paseo AutomaticFACTORY OEM SERVICE PROCEDURE

Air Control Valve

Remove air control valve, located on end of intake chamber on passenger's side. Air control valve may also be identified by appropriate illustration in THEORY/OPERATION article in the ENGINE PERFORMANCE Section or wire color. See appropriate wiring diagram in WIRING DIAGRAMS article in the ENGINE PERFORMANCE Section.

Using ohmmeter, measure resistance between electrical terminals of air control valve. Replace air control valve if resistance is not within specification. See AIR CONTROL VALVE RESISTANCE SPECIFICATIONS table.

AIR CONTROL VALVE RESISTANCE SPECIFICATIONS

Application	Ohms
Paseo	30-33

Check that no continuity exists between each electrical terminal and air control valve body. Test air control valve by applying air pressure to designated area and checking air passage, and then applying battery voltage and retesting. See Fig 1. Replace air control valve if defective.

Fig 1: Testing Air Control Valve (Paseo)

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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.

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