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Home >> Cadillac >> 1993 >> Seville Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Anti-Theft System >> Testing >> Pass-Key System Testing - All Models >> PASS-Key Diagnostic System Check
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PASS-Key Diagnostic System Check

  1. Check for diagnostic codes. See appropriate G - TEST W/CODES article in the ENGINE PERFORMANCE Section. Check SECURITY light while attempting to start vehicle.
  2. If engine cranks but does not start, see ENGINE CRANKS BUT DOES NOT START. If engine does not crank or start, check SECURITY light function. If light flashed or stayed on at all times, see SECURITY LIGHT EITHER FLASHES OR STAYS ON ALL THE TIME. If light never came on, see SECURITY LIGHT DOES NOT COME ON. If light came on, then went off after approximately 5 seconds, see ENGINE DOES NOT CRANK OR START & SECURITY INDICATOR LIGHT COMES ON & WENT OFF AFTER ABOUT 5 SECONDS.
  3. If engine cranks and starts, and SECURITY light came on and went off after about 5 seconds, system operates normally. See SYSTEM TESTING. If light never came on, see SECURITY LIGHT DOES NOT COME ON. If light comes on at all times, see ENGINE CRANKS & STARTS, SECURITY INDICATOR STAYS ON. If light flashes on and off, see SECURITY LIGHT EITHER FLASHES OR STAYS ON ALL THE TIME.
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