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Home >> Cadillac >> 2007 >> Escalade ESV >> Repair and Diagnosis >> External Pages >> Different car >> Section 1847 (Antilock Brake System - Non-Hybrid Less Than 3900 Kg (8600 Lb) GVW) >> Diagnostic Information and Procedures >> DTC C0186 or C0196 >> Circuit/System Testing

Circuit/System Testing

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  1. Verify that DTC U2142 is not set.
  2. Verify that DTC C0710 is not set.
  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 1 and ground.
    • If greater than the specified range, test the ground circuit for an open/high resistance.
  5. Disconnect the harness connector at the EBCM.
  6. Test for infinite resistance between the 12 V reference circuit terminal 32 of the EBCM connector and ground.
    • If not the specified value, test the 12 V reference circuit for a short to ground.
  7. Test for less than 2 Ω between the 12 V reference circuit terminal 32 of the EBCM connector and terminal 4 of the yaw/lateral accelerometer sensor connector.
    • If greater than the specified range, test the 12 V reference circuit for open/high resistance.
  8. If all circuits test normal, replace the yaw/lateral accelerometer sensor. If the DTC resets, replace the EBCM.
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