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Air Flow Meter Potentiometer

AIR FLOW METER RESISTANCE

Terminal No. Exc. Toyota Toyota Resistance (Ohms)
34 & 35 E(2) & Vb 200-500
32 & 34 1 E(1) & Fc Exc. 0 or Infinity
33 & 34 E(2) & Vc 100-400
  E(2) & Vs 20-40
  (2) Infinity
(1) Moving air flow measuring flap.
(2) Between any terminal and air flow case (ground).

Turn ignition switch off. Disconnect electrical connector from air flow meter and connect ohmmeter between terminals shown in table and note readings. If readings are not to specifications, replace air flow meter.