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Air Flow Meter & Potentiometer: Toyota

Turn ignition switch off and disconnect air flow meter connector at ECU. Connect ohmmeter between terminals shown in table and note readings. If readings are not to specifications, replace air flow meter.

Air Flow Meter Resistance (Toyota)

Terminal No. Resistance (Ohms)
E2 & Vs 20-100
E2 & Vc 100-300
E2 & Vb 200-400
E1 & Fc Infinity