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Home >> Chevrolet >> 2010 >> Traverse LS, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System >> Diagnostic Information and Procedures >> DTC U1500, U1511, U1512, or U1513 >> Circuit/System Testing >> Compass Malfunction Test

Compass Malfunction Test

  1. Ignition OFF, disconnect the harness connector at the electronic compass module.
  2. Ignition OFF, test for less than 5.0 ohm between the ground circuit terminal 2 and ground.
    • If greater than the specified range, test the ground circuit for an open/high resistance.
  3. Ignition ON, verify a test lamp illuminates between the ignition voltage circuit terminal 1 and ground.
    • If the test lamp does not illuminate, test the ignition voltage circuit for a short to ground or an open/high resistance.
  4. Test for 6.0-7.0 volts between the LIN Bus circuit terminal 3 and ground.
    • If greater than the specified range, test the LIN Bus circuit for a short to voltage. If the circuit tests normal, replace the BCM.
    • If less than the specified range, test the LIN Bus circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the BCM.
  5. If all circuits test normal, replace the electronic compass module.
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