LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 1996 >> Roadmaster Base >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Anti-Theft System >> Trouble Shooting >> Pass-Key II(R) System

Pass-Key II(R) System

  1. Look into key opening and check key pellet sensing contacts in ignition key lock cylinder. If contacts are damaged, or not Silver in color, replace ignition key lock cylinder. Ensure ignition key lock cylinder wiring is properly routed and not twisted when replacing lock cylinder. Cut off wire retainer leg on original connection when replacing ignition key lock cylinder. See Fig 1 . Using PASS-Key II(R) Interrogator (J 35628-A), check ignition keys. If key code window displays "E" for error, or display is erratic, replace key.
  2. Check ignition key for cracked, dirty or coated resistor pellet. Ensure key does not have excess plastic around resistor pellet contacts. Check PASS-Key II(R) system fuses. If system is intermittent, check component connectors for tight connections and clean terminals.
  3. If theft deterrent relay must be replaced, check for short in Yellow wire between theft deterrent relay and starter solenoid. A short in Yellow wire may cause theft deterrent relay to fail.
Fig 1: Ignition Key Lock Cylinder Wiring Routing (Caprice, Impala SS & Roadmaster)
G94C31890Courtesy of GENERAL MOTORS CORP.
Pass Key Resistance Values

Key Resistance Number Ohms Value
1 402
2 523
3 681
4 887
5 1130
6 1407
7 1870
8 2370
9 3010
10 3740
11 4750
12 6040
13 7500
14 9530
15 11800