TSRM/MK3 Supra/Repair Manual
Repair ManualWiring Diagrams
p.094
FI/EFI System95 / 126
p.096
REMOVAL OF AIR FLOW METER — MK3 Supra EFI System, page 95
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EFI SYSTEM — Air Induction System FI-95 REMOVAL OF AIR FLOW METER 1. DISCONNECT AIR FLOW METER CONNECTOR 2. DISCONNECT NO.2 AIR CLEANER HOSE 3. REMOVE AIR CLEANER CAP Remove the two bolts and cap. 4. REMOVE AIR FLOW METER Pry off the lock plates, and remove the four nuts, and air flow meter. FI1682 INSPECTION OF AIR FLOW METER INSPECT RESISTANCE OF AIR FLOW METER Using an ohmmeter, measure the resistance between each terminal by moving the measuring plate. Terminals Resistance Ω Measuring plate opening FC — E1 Infinity Fully closed Zero Other than closed position VS — E2 200 — 600 Fully closed 20 — 1,200 Fully open HINT: Resistance between VS and E2 will change in a wave pattern as the measuring plate slowly opens. If the resistance is not as specified, replace the meter. F1546 F2043 INSTALLATION OF AIR FLOW METER 1. INSTALL AIR FLOW METER Install the air flow meter with the two new lock plates and four nuts. Pry the lock plates on to the nuts. 2. INSTALL AIR CLEANER CAP Install the cap with two bolts. 3. CONNECT NO.2 AIR CLEANER HOSE 4. INSTALL AIR FLOW METER CONNECTOR FI1682