lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

Mass Air Flow Meter <--> [Air Flow Meter/Sensor]|Specifications|Page 1654 > < EFI Main Relay <--> [Main Relay (Computer/Fuel System)]|Description and Operation
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Mass Air Flow Meter: Specifications

Resistance Value

Terminals THA - E2

-4°F (-20°C) ............................................................................................................................................................................................  10 - 20k ohms
32°F (0°C) ...................................................................................................................................................................................................  4 - 7k ohms
68°F (20°C) .................................................................................................................................................................................................  2 - 3k ohms
104°F (40°C) .........................................................................................................................................................................................  0.9 - 1.3k ohms
140°F (60°C) .........................................................................................................................................................................................  0.4 - 0.7k ohms

Terminals VS - E2

Fully closed ...........................................................................................................................................................................................  200 - 600 ohms
Fully open .............................................................................................................................................................................................  20 - 1,200 ohms

Terminals FC - E1

Fully closed ..............................................................................................................................................................................................  No continuity
All other positions .........................................................................................................................................................................................  Continuity

Terminals VC - E2

Resistance value ....................................................................................................................................................................................  200 - 400 ohms

Mass Air Flow Meter <--> [Air Flow Meter/Sensor]|Specifications|Page 1654 > < EFI Main Relay <--> [Main Relay (Computer/Fuel System)]|Description and Operation