TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.035

SFTE/SFI System 2JZ-GTE — Sub–Throttle Actuator, Sub–Throttle Valve and Throttle Position Sensor, page 36

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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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Page text (OCR transcript)
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.