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Home >> Mazda >> 1989 >> RX-7 Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> System/Component Tests >> Engine Sensors & Switches >> Throttle Position Sensor
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Throttle Position Sensor

  1. Remove sensor connector. Connect ohmmeter to terminals "A" and "B". See Fig 1 . Open throttle valve and note resistance readings.
  2. Repeat procedure on terminals "E" and "D". Resistance readings must be within specification. See TPS RESISTANCE table. Install sensor connector.
TPS RESISTANCE

Terminal Ohms - Fully Closed Ohms - Fully Open
A & B 800-1000 4000-6000
E & D 600-900 3400-5100
Fig 1: TPS Terminal Identification
G117779Courtesy of MAZDA MOTORS CORP.