FixVault

Air Flow Meter Potentiometer

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.

Air Flow Meter Resistance

Terminal No. Resistance (Ohms)
280ZX Turbo Toyota All Others  
  33 & 26 E2 & Vb 34 & 35 200-500
  31 & 33(1) E1 & Fc 32 & 34(1) Continuity
  ..... E2 & Vc 33 & 34 100-400
  ..... E2 & Vs ..... 20-100
  (2) ..... (2) 0-Infinity
(1) Moving air flow measuring flap.
(2) Between any terminal and air flow case (ground).