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Home >> Chevrolet >> 2024 >> Camaro SS, 2D Convertible, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Manual Transmission - TREMEC 6-Speed (M13 MJK Mm6 MH3) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Rev Match Switch Malfunction >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different variant/trim than selected.
    NOTE:

    It may take up to 2 min for all vehicle systems to power down before an accurate ground or low reference circuit continuity test can be performed.

  1. Ignition/Vehicle & All vehicle systems - Off
  2. Disconnect the electrical connector: X1@X85 Steering Wheel Air Bag Coil
  3. Test for greater than 7 V between the test points: Signal circuit terminal 8 & Ground
    • If 7 V or less 
    1. Disconnect the appropriate electrical connector: K9 Body Control Module
    2. Test for infinite resistance between the test points: Signal circuit terminal 8 (component side) & Ground
      • If less than infinite resistance - Repair the short to ground on the circuit. -
      • Go to next step: If infinite resistance
    3. Test for less than 2 ohms between the test points: If 2 ohms or greaterSignal circuit terminal 1 (component side) & The other end of the circuit (harness side)
      • If 2 ohms or greater - Repair the open/high resistance in the circuit.
      • If less than 2 ohms - Replace the component: K9 Body Control Module
    • Go to next step: If greater than 7 V 
  4. Connect the electrical connector: X1@X85 Steering Wheel Air Bag Coil
  5. Disconnect the electrical connector: X2@X85 Steering Wheel Air Bag Coil
  6. Test for 7.0 to 8.4 V between the test points: Signal circuit terminal 3 & Ground
    • If less than 7.0 V 

      Replace the component: X85 Steering Wheel Air Bag Coil

    • If greater than 8.4 V 

      Repair the short to voltage on the circuit.

    • Go to next step: If between 7.0 and 8.4 V 
  7. Connect the electrical connector: X2@X85 Steering Wheel Air Bag Coil
  8. Disconnect the electrical connector: S147R Manual Transmission Shift Anticipate Switch - Right
  9. Test for 7.0 to 8.4 V between the test points: Signal circuit terminal 1 & Ground
    • If less than 7.0 V 
  10. Test for infinite resistance between the test points: Signal circuit terminal 1 (component side) & Ground
    • If less than infinite resistance - Repair the short to ground on the circuit.
    • Go to next step: If infinite resistance
  11. Test for less than 2 ohms between the test points: If 2 ohms or greaterSignal circuit terminal 1 (component side) & The other end of the circuit (harness side)
    • If 2 ohms or greater - Repair the open/high resistance in the circuit.
    • If less than 2 ohms - Replace the component: K9 Body Control Module
    • If greater than 8.4 V 

      Repair the short to voltage on the circuit.

    • Go to next step: If between 7.0 and 8.4 V 
  12. Disconnect the electrical connector: S147L Manual Transmission Shift Anticipate Switch - Left
  13. Test for less than 2 ohms between the test points: Ground circuit terminal 1 & Ground
    • If 2 ohms or greater 
    1. Disconnect the ground connection: Ground terminal
    2. Test for less than 2 ohms between the test points: Ground circuit terminal 1 & The other end of the circuit
      • If 2 ohms or greater - Repair the open/high resistance in the circuit.
      • If less than 2 ohms - Repair the open/high resistance in the ground connection.
    • Go to next step: If less than 2 ohms 
  14. Disconnect the electrical connector: S147R Manual Transmission Shift Anticipate Switch - Right
  15. Test for less than 2 ohms between the test points: Ground circuit terminal 2 & Ground
    • If 2 ohms or greater 
    1. Disconnect the ground connection: Ground terminal
    2. Test for less than 2 ohms between the test points: Ground circuit terminal 2 & The other end of the circuit
      • If 2 ohms or greater - Repair the open/high resistance in the circuit.
      • If less than 2 ohms - Repair the open/high resistance in the ground connection.
    • Go to next step: If less than 2 ohms 
  16. Test for less than 2 ohms between the test points: Signal circuit terminal 2@S147L Manual Transmission Shift Anticipate Switch - Left (harness side) & Signal circuit terminal 3@S147R Manual Transmission Shift Anticipate Switch - Right (harness side)
    • If 2 ohms or greater 

      Repair the open/high resistance in the circuit.

    • Go to next step: If less than 2 ohms 
  17. Test or replace the component: S147 Manual Transmission Shift Anticipate Switch
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