TSRM/MK3 Supra/Repair Manual
Repair ManualWiring Diagrams
p.101
FI/EFI System102 / 126
p.103
(7M-GTE) — MK3 Supra EFI System, page 102
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(7M-GTE) 1. DRAIN COOLANT FROM THROTTLE BODY 2. DISCONNECT ACCELERATOR ROD 3. REMOVE AIR INTAKE CONNECTOR (See steps 3 to 5 on page EM-12) 4. DISCONNECT VACUUM HOSES 5. DISCONNECT THROTTLE POSITION SENSOR CONNECTOR 6. REMOVE THROTTLE BODY (a) Disconnect the two water by-pass hoses from the ISC valve and water pipe. (b) Remove the four bolts, throttle body and gasket. (c) Remove the two water by-pass hoses. (d) Remove the VTV. INSPECTION OF THROTTLE BODY 1. CLEAN THROTTLE BODY BEFORE INSPECTION (a) Wash and clean the cast parts with a soft brush and carburetor cleaner. (b) Using compressed air, blow all passages and apertures in the throttle body. CAUTION: To prevent deterioration, do not clean the throttle position sensor and dash pot. 2. CHECK THROTTLE VALVE Check that there is no clearance between the throttle stop screw and throttle lever when the throttle valve is fully closed. Throttle Lever No Clearance Throttle Stop Screw