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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 25 (Steering Wheel And Column) >> Diagnostic Information and Procedures >> Steering Column Tilt/Telescoping Malfunction >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify the scan tool Steering Column Direction Switch parameter changes between Inactive, Forward, Rearward, Up, and Down when exercising the S71 Steering Column Tilt Wheel and Telescope Switch.
    • If the parameter does not change 

      Refer to Circuit/System Testing - Switch Malfunction.

    • Go to next step: If the parameter changes 
    3. NOTE:

    Operate the steering column switch in each direction for more than 1 s.

    NOTE:

    When performing the following tests, make sure that the steering column is not already in the position the test is attempting to produce.

  3. Verify the steering column directional motors listed below operate while operating the S71 Steering Column Tilt Wheel and Telescope Switch in all directions.
    • M65 Steering Column Telescope Actuator
    • M68 Steering Column Tilt Wheel Actuator
    • If the M65 Steering Column Telescope Actuator moves for only.5 s FORWARD or REARWARD 
    1. Wait 5 s.
    2. Operate the S71 Steering Column Tilt Wheel and Telescope Switch FORWARD and REARWARD.
      • If the M65 Steering Column Telescope Actuator moves for only.5 s FORWARD or REARWARD, replace the M65 Steering Column Telescope Actuator
    • If the M65 Steering Column Telescope Actuator does not operate FORWARD and REARWARD 

      Refer to Circuit/System Testing - Telescope Actuator Malfunction

    • If the M68 Steering Column Tilt Wheel Actuator moves for only.5 s UP and DOWN 
    1. Wait 5 s.
    2. Operate the S71 Steering Column Tilt Wheel and Telescope Switch UP and DOWN.
      • If the M68 Steering Column Tilt Wheel Actuator moves for only.5 s UP or DOWN, replace the M68 Steering Column Tilt Wheel Actuator.
    • If the M68 Steering Column Tilt Wheel Actuator does not operate UP and DOWN 

      Refer to Circuit/System Testing - Tilt Wheel Acutator Malfunction

    • If both the M65 Steering Column Telescope Actuator and the M68 Steering Column Tilt Wheel Actuator do not operate in any direction 

      Refer to Circuit/System Testing - Steering Column Tilt and Telescope Motor Control Circuit Test.

    • Go to next step: If both the M65 Steering Column Telescope Actuator and the M68 Steering Column Tilt Wheel Actuator operate 
  4. All OK.
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