1990 Plymouth Voyager LE, 2.5 J, Automatic, A604FACTORY OEM SERVICE PROCEDURE

Select Module Menu

Menu will display body control systems available for technician to diagnose. Select appropriate body system to be tested. DRB-II will then display a menu for specific system being tested. Following functions are accessible from each system menu:

  • System Tests

    This function allows technician to determine whether Single Board Engine Controller (SBEC) is active over CCD bus.
  • Read Faults

    This functions allows technician to read faults. If no faults exist, NO FAULTS DETECTED will be displayed. If faults exist, DRB-II will display number of faults, fault code and message.
  • State Display

    This functions allows technician to read states or values of a variety of sensors, inputs/outputs and components.
  • Actuator Tests

    This function allows technician to activate various outputs, motors and relays to test their operation.
  • Adjustments

    This function allows the technician to change vehicle theft alarm system mode from disarmed to armed, or to put alarm system in self-diagnostics mode. Adjustments function is not available for testing of other body control modules.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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