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Home >> Chrysler >> 1989 >> LeBaron Base, 4D Hatchback, 2.2 D, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> 2.2L Turbo Tests W/Codes >> Testing & Diagnosis >> Entering On-Board Diagnostics >> Engine Running Test Mode

Engine Running Test Mode

  1. Engine Running Test Mode can be performed with engine at idle, transmission in Neutral and parking brake on, or while driving the car. Connect DRB-II to engine harness connector. Set DRB-II to Engine Running Test Mode.
  2. To select a test code, press "Read/Hold" key until "READ" is displayed. When the oxygen sensor is at operating temperature, the DRB-II will display "0" for a lean signal and "1" for a rich signal.
  3. When the engine is running in Park or Neutral and O2 switching is displayed, the AIS motor can be checked by pressing "Read/Hold" key until "HOLD" is displayed. Engine speed should increase to 1500 RPM.
  4. With engine running, O2 switching and "READ" displayed on DRB-II, select Engine Running Test codes by pressing "F3" key. To enter desired Engine Running Test code, press "Enter" key. Press "Read/Hold" key until "HOLD" is displayed.
  5. The SMEC will now use DRB-II to display the output of a selected sensor or run engine in a specific mode for diagnosis. To select another Engine Running Test code, press "Read/Hold" key until "READ" is displayed and press "F3" key.
  6. To return to O2 sensor switching, press "Read/Hold" key until "READ" is displayed. Press and hold "ATM" key until "0" or "1" appears on display.
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