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Home >> Nissan-Datsun >> 1994 >> Sentra SE-R, Standard >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> A/C-Heater System - Manual >> Trouble Shooting >> Power & Ground Circuit Check >> Push-Button Control Module

Push-Button Control Module

  1. Turn ignition on. Disconnect electrical connector from push-button control module on back of A/C-heater control panel. Measure voltage at Green/White wire terminal. If battery voltage is not present, repair Green/White wire.
  2. If battery voltage is present, turn ignition off. Check continuity between ground and Black wire terminal. If there is continuity, the power and ground circuits are okay. If there is no continuity, repair Black wire.
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