Test Z: Air Ride Control (Arc) System Functions With Switch Off

1996 Ford Explorer 4D Utility, 4.0 X, 4WD, AutomaticSECTION Test Z: Air Ride Control (Arc) System Functions With Switch Off

  1. Check Dark Green/Yellow Wire For Short To Power

    Turn ignition off. Disconnect air suspension switch connector. Air suspension switch is located on left side of luggage compartment in jack storage area. Measure voltage at Dark Green/Yellow wire terminal of air suspension switch harness connector. If voltage exists, go to next step. If battery voltage does not exist, replace air suspension switch and retest system operation.
  2. Check Dark Green/Yellow Wire For Short To Power With ARC Module Disconnected

    Disconnect ARC module harness connector. Turn ignition on. Measure voltage at ARC module Black harness connector terminal No. 21. See Figure . If voltage exists, repair Dark Green/Yellow as necessary. If voltage does not exist, replace ARC module and perform riding height adjustment. See RIDE HEIGHTΒ  under ADJUSTMENTS. After repair, retest system operation.
RENDER: 1.0x

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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.