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Home >> Mazda >> 1989 >> RX-7 GTU, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> System/Component Tests >> Emission Systems & Sub-Systems >> Secondary Air Injection >> Split Air Solenoid Valve (M/T Models)

Split Air Solenoid Valve (M/T Models)

  1. Connect voltmeter at Blue/Black wire terminal and ground of solenoid valve.
  2. Turn ignition on. Place transmission in 5th gear and note voltage. Voltage should be below 2.5 volts in 5th gear and approximately 12 volts in all other gears.