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Home >> Eagle >> 1992 >> Summit Base, 2D Hatchback, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Self-Diagnostic System >> Retrieving Codes (Using DRB-II) >> State Displays
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State Displays

  1. This allows technician to view conditions at signal level. The 2 types of signals are analog and digital. Analog signals are monitored at pins corresponding to vehicle harness splices (e.g., fuel pump relay).
  2. Digital signals correspond to data transmitted by system controllers. Both signals are displayed in common units (e.g., temperature). Use up and down arrow keys on DRB-II to scroll through displays available.
  3. Following ENGINE state displays are available on DRB-II:
    • Module Information:  This mode allows technician to read ECU part number and application.
    • Engine Sensors:  This mode allows technician to look at various engine sensors during engine operation.
    • Inputs/Outputs:  This mode allows technician to read input and output states of various switches and sensors.
    • Custom Display:  This screen allows technician to set up his/her own custom display. Two custom display screens can be programmed into DRB-II.
    • Minimum/Current/Maximum:  MIN/CURRENT/MAX display shows a history of conditions for a specific sensor. When this option is selected, maximum, current (static) and minimum values can be displayed for a specific sensor. To reset sensors to a zero value, simply press ENTER key. This display may be used to isolate intermittent faults. MIN/CURRENT/MAX display allows technician to observe operation of 6 different sensor values. Information is displayed as a 3-digit number. First value displayed is the minimum reading, second number is current reading and third value is the maximum reading. Typically sensors range between 2 and 252. Values less than 2 or greater than 252 will usually indicate that a sensor is shorted or disconnected. Watch minimum and maximum values to help diagnose intermittent problems.
    • Monitors:  This screen shows technician sensors and system controllers which affect fuel control, spark advance, RPM and A/C relay. There are 4 different screens available. For example, screen No. 1 will show: airflow sensor, O2 sensor, battery and fuel injector. All of these inputs affect fuel control.
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