TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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SFTE/SFI System 2JZ-GTE33 / 71
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Throttle Opener — MK4 Supra SFI System 2JZ-GTE, page 33
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EG–290 ENGINE – SFI SYSTEM (2JZ–GTE) Throttle Opener 1. WARM UP ENGINE Allow the engine to warm up to normal operating temperature. 2. CHECK IDLE SPEED Idle speed (Transmission in neutral position): 650 ± 50 rpm 3. CHECK THROTTLE OPENER SETTING SPEED (a) Disconnect the throttle opener vacuum hose from the throttle body, and plug the throttle body port. (b) Maintain the engine speed at 2,500 rpm. (c) Release the throttle valve. (d) Check that the throttle opener is set. Throttle opener setting speed: 1,500 ± 200 rpm (e) Adjust the throttle opener setting speed by turning the throttle opener adjusting screw. (f) Reconnect the throttle opener vacuum hose to the throttle body. Throttle Opener Adjusting Screw Disconnect Plug P11326 213303 COMPONENTS FOR REMOVAL AND INSTALLATION Cruise Control Actuator Cable Accelerator Cable Throttle Body Sub-Throttle Position Sensor Connector Air Hose PS Air Hose Water Bypass Hose ♦ Gasket Throttle Position Sensor Connector EVAP Hose Sub-Throttle Actuator Connector ♦ Non-reusable part P16724