LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2020 >> Encore Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Shift Lock Control System >> Diagnostic Information and Procedures >> Transmission Control Lever Malfunction >> Component Testing
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Testing

  1. Ignition/Vehicle - Off
  2. Disconnect the electrical connector: S3 Transmission Shift Lever
  3. Connect a 3 A fused jumper wire between the test points: Control terminal 4 & 12 V
  4. Momentarily connect a jumper wire between the test points: Ground terminal 2 & Ground

    Verify the component produces a clicking sound: M7 Transmission Shift Lock Control Solenoid Actuator

    • If the component does not produce a sound 

      Replace the component: S3 Transmission Shift Lever

    • Go to next step: If the component produces a sound 
  5. All OK.
scientia non olet · About LEMON Manuals