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Circuit/System Verification

WARNING: This page is about a different car, the 2010 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, observe the scan tool Brake Pedal Position Sensor parameter while applying and releasing the brake pedal. The value should be 0.2 V with the pedal pressed and 0 V with the pedal released.
    • If the value does not change, refer to the Brake Pedal Position Sensor Malfunction below.
  2. Observe function of the E5L stop lamp- left while commanding the Left Brake Lamp ON and OFF with a scan tool. The E5L stop lamp- left should turn ON and OFF when changing between the selected states.
    • If the E5L stop lamp- left is always ON or always OFF, refer to Left Brake Lamp Malfunction below.
  3. Observe function of the E5R stop lamp- right while commanding the Right Brake Lamp ON and OFF with a scan tool. The E5R stop lamp- right should turn ON and OFF when changing between the selected states.
    • If the E5R stop lamp- right is always ON or always OFF, refer to Right Brake Lamp Malfunction below.
  4. Observe function of the E6 center high mounted stop lamp while commanding the Center Brake Lamp ON and OFF with a scan tool. The E6 center high mounted stop lamp should turn ON and OFF when changing between the selected states.
    • If the E6 center high mounted stop lamp is always ON or always OFF, refer to Center High Mount Stop Lamp Malfunction below.
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