LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Saturn >> 2000 >> SC2 Automatic, MP6 >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Anti-Theft System) >> System Tests >> Test E: Steering Column Lock System Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Test E: Steering Column Lock System Check

WARNING: This page is about a different car, the 2000 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect scan tool. Turn ignition on. Steering column should unlock and scan tool should display the following BCM data:
    • Steering Column Lock State - IGN ON UNLOCKED
    • Key In Ignition - ACTIVE
    • Key Out Of Ignition - ACTIVE (will not change)
    • Column Feedback - ACTIVE

    If conditions are met, go to next step. If conditions are not met, see TEST C: STEERING COLUMN LOCK MALFUNCTION  under SYMPTOM TESTS.

  2. Turn ignition off (key in ignition switch). Steering column should remain unlocked and scan tool should display the following BCM data:
    • Steering Column Lock State - IGN OFF UNLOCKED
    • Key In Ignition - ACTIVE
    • Key Out Of Ignition - ACTIVE (will not change)
    • Column Feedback - ACTIVE

    If conditions are met, go to next step. If conditions are not met, see TEST C: STEERING COLUMN LOCK MALFUNCTION  under SYMPTOM TESTS.

  3. Remove key from ignition switch. Steering column should lock and scan tool should display the following BCM data:
    • Steering Column Lock State - IGN OFF LOCKED
    • Key In Ignition - INACTIVE
    • Key Out Of Ignition - ACTIVE (will not change)
    • Column Feedback - INACTIVE

    If conditions are met, go to next step. If conditions are not met, see TEST C: STEERING COLUMN LOCK MALFUNCTION  under SYMPTOM TESTS.

  4. Insert key in ignition switch. Steering column should remain locked and scan tool should display the following BCM data:
    • Steering Column Lock State - IGN OFF LOCKED
    • Key In Ignition - ACTIVE
    • Key Out Of Ignition - ACTIVE (will not change)
    • Column Feedback - INACTIVE

    If conditions are met, go to next step. If conditions are not met, see TEST C: STEERING COLUMN LOCK MALFUNCTION  under SYMPTOM TESTS.

  5. Turn ignition on. Steering column should unlock and scan tool should display the following BCM data:
    • Steering Column Lock State - IGN ON UNLOCKED
    • Key In Ignition - ACTIVE
    • Key Out Of Ignition - ACTIVE (will not change)
    • Column Feedback - ACTIVE

    If conditions are met, system is okay. If conditions are not met, see TEST C: STEERING COLUMN LOCK MALFUNCTION  under SYMPTOM TESTS.