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Home >> Cadillac >> 2012 >> Escalade Base, AWD >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Antilock Brake System - Non-Hybrid Less Than 3900 Kg (8600 Lb) GVW >> Diagnostic Information and Procedures >> DTC C0287 >> Circuit/System Testing

Circuit/System Testing

  1. Ignition ON, verify that DTC U1826, C0186, C0196 or C0292 is not set.
  2. Inspect the yaw/lateral accelerometer sensor for correct installation.
    • If loose or incorrect installation is diagnosed, correct the installation of the component.
  3. Ignition OFF, disconnect the harness connector at the yaw/lateral accelerometer sensor.
  4. Ignition OFF and all vehicle systems OFF. It may take up to 2 minutes for all vehicle systems to power down. Test for less than 10 Ω between the ground circuit terminal 6 and ground.
    • If greater than the specified value, test the ground circuit for an open/high resistance.
  5. Ignition ON, test for greater than 11 V between the 12 V reference circuit terminal 1 and ground.
    • If less than the specified value, test the 12 V reference circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the EBCM.
  6. If all circuits test normal, replace the yaw/lateral accelerometer sensor and verify the DTC does not reset.
    • If the DTC resets, replace the EBCM.
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