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Home >> Jeep >> 1995 >> Wrangler S, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Body Control Computer >> Diagnostic Procedure >> Entering On-Board Diagnostics
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Entering On-Board Diagnostics

NOTE: While using Chrysler Diagnostic Readout Box (DRB) scan tool, if an error is made or technician is unaware of correct procedures, enter "F1" (Help) or HOW TO USE DRB III from various menus. If using generic scan tool, refer to manufacturer's instruction manual.
  1. Before entering on-board diagnostics, see PRETEST INSPECTION . Turn all accessories off. Turn ignition off. Attach appropriate 1995 cartridge to scan tool. Connect scan tool Data Link Connector (DLC). DLC is located under left side of dash. See Figure. Turn ignition on.
  2. Start engine (if possible). With foot on brake, move transmission shift lever through all positions, ending in Park (A/T) or Neutral (M/T). Turn A/C switch on and then off (if equipped).
  3. Turn engine off. Without starting engine again, turn ignition on. Enter selection No. 1, STANDALONE. Enter selection No. 1, CHRYSLER DOMESTIC. Enter selection No. 1, ENGINE. Proceed until READ DTCS selection is offered. After the DTCs are accessed, proceed to TEST 1A - IDENTIFYING VEHICLE EQUIPMENT & SYSTEM PROBLEMS  to diagnose problem.
  4. To erase DTCs while in this mode, press BACK key. At scan tool display, scroll to YES - ERASE FAULTS. A confirmation message should then appear: FAULTS ERASED.
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