1987 Plymouth Horizon StandardFACTORY OEM SERVICE PROCEDURE

Test Code 96

The radiator fan should be turning on and off. If radiator fan is turning on and off, press and hold the ATM button until next test code appears. If fan does not turn on and off, check if relay is clicking. If relay is clicking, repair wiring to the radiator cooling fan motor as required. If relay does not click, proceed to TEST 26Β  .

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.