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 |