Air Flow Meter

1984 Toyota Cressida 4D WagonSECTION Air Flow Meter

Turn ignition off. Disconnect wiring connector from air flow meter. Using an ohmmeter, measure resistance between each terminal. If resistance values do not meet specifications shown in chart, replace air flow meter.

Fig 1: Measuring Air Flow Meter Resistance
G42168Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
AIR FLOW METER RESISTANCE SPECIFICATIONS

Terminals Condition Ohms
E2 - Vs Flap Closed 20-400
E2 - Vs Flap Open (1) 20-1000
E2 - Vc N/A 200-400
E2 - THA 4°F (-20°C) 10,000-20,000
E2 - THA 32°F (0°C) 4000-7000
E2 - THA 68°F (20°C) 2000-3000
E2 - THA 104°F (40°C) 900-1300
E2 - THA 140°F (60°C) 400-700
E1 - Fc Flap Closed Infinity (4)
E1 - Fc Flap Open Zero
(1) Resistance changes with flap position.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.