TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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SFTE/SFI System 2JZ-GTE36 / 71
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Sub–Throttle Actuator, Sub–Throttle Valve and Throttle Position Sensor — MK4 Supra SFI System 2JZ-GTE, page 36
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ENGINE – SFI SYSTEM (2JZ–GTE) EG–293 Turn (d) Gradually turn the sensor clockwise until the ohmmeter deflects, and secure it with the 2 set screws. 0.54 or 0.70 mm (e) Recheck the continuity between terminals IDL and E2. Clearance between lever and stop screw | Continuity (IDL–E2) 0.54 mm (0.021 in.) | Continuity 0.70 mm (0.028 in.) | No continuity (f) Reconnect the vacuum hose to the throttle body. Ohmmeter E2 IDL Ohmmeter BCM B– B A– A ACM Sub–Throttle Actuator, Sub–Throttle Valve and Throttle Position Sensor 1. INSPECT SUB–THROTTLE ACTUATOR Using an ohmmeter, measure the resistance between the terminals (ACM to A and A–, BCM to B and B–). Resistance: 0.82–0.98 Ω at 20°C (68°F) If the resistance is not as specified, replace the actuator. 2. REMOVE SUB–THROTTLE ACTUATOR Remove the 4 screws and sub–throttle actuator.