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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Steering Wheel And Steering Column) >> Adjustments >> BTSI & Park Lock System >> System Check

System Check

WARNING: This page does not describe the selected car, but rather 20 other vehicles, including the 2001 Pontiac Firebird, 2001 Pontiac Bonneville, 2001 Chevrolet Monte Carlo, 2001 Chevrolet Impala, and 2001 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Place shift lever in Park. Turn lock cylinder to OFF-LOCK position. Remove key. If lock cylinder cannot be turned to OFF-LOCK position or key cannot be removed, perform appropriate adjustment procedure.
  2. With lock cylinder in OFF-LOCK position, try to move shift lever out of Park. If shift lever can be moved out of Park, perform appropriate adjustment procedure.
  3. Turn lock cylinder to RUN position. Try to move shift lever out of Park. If shift lever can be moved out of Park, perform appropriate adjustment procedure. Depress brake pedal, move shift lever out of Park. If shift lever cannot be moved out of Park, perform appropriate adjustment procedure.
  4. Try to turn lock cylinder to OFF-LOCK position. Ignition switch should stop turning before reaching the OFF-LOCK position, and the key should not be able to be removed. If system does not operate as specified, perform appropriate adjustment procedure.
  5. With key in same position as in previous step (just before OFF-LOCK position), place shift lever in Park. Turn lock cylinder toward RUN position, and then to OFF-LOCK position. Remove key. If system does not operate as specified, perform appropriate adjustment procedure.
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