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Charging Inoperative

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 OFF, disconnect the X1 and X2 connector at the K82 Mobile Telephone Control Module.
  2. Ignition OFF, test for less than 5 Ω between the low reference circuit terminal 2 X1 and ground.
    • If greater than the specified range, test the low reference circuit for an open/high resistance. If the circuit tests normal, replace the K82 Mobile Telephone Control Module.
  3. Ignition ON, test for greater than 11 V between the 12 V reference circuit terminal 1 X1 and ground.
    • If less than the specified range, test the 12 V reference circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the K82 Mobile Telephone Control Module.
  4. Ignition ON, test for less than 0.3 V between the low reference circuit terminal 8 X2 at the K82 Mobile Telephone Control Module and ground.
    • If greater than the specified range, test the low reference circuit terminal 8 X2 at the K82 Mobile Telephone Control Module for a short to voltage.
  5. Ignition ON, test for less than 0.3 V between the signal circuit terminal 16 X2 at the K82 Mobile Telephone Control Module and ground.
    • If greater than the specified range, test the signal circuit terminal 16 X2 at the K82 Mobile Telephone Control Module for a short to voltage.
  6. Ignition OFF, test for infinite resistance between the low reference circuit terminal 8 X2 at the K82 Mobile Telephone Control Module and ground.
    • If less than the specified range, test the low reference circuit terminal 8 X2 at the K82 Mobile Telephone Control Module for a short to ground.
  7. Ignition OFF, test for infinite resistance between the signal circuit terminal 16 X2 at the K82 Mobile Telephone Control Module and ground.
    • If less than the specified range, test the signal circuit terminal 16 X2 at the K82 Mobile Telephone Control Module for a short to ground.
  8. Ignition OFF, test for less than 5 Ω between the signal circuit terminal 8 X2 at the K82 Mobile Telephone Control Module and the signal circuit terminal 4 X1 at the X91 Mobile Telephone Connector.
    • If less than the specified range, test the signal circuit terminal 8 X2 at the K82 Mobile Telephone Control Module for an open/high resistance.
  9. Ignition OFF, test for less than 5 Ω between the signal circuit terminal 16 X2 at the K82 Mobile Telephone Control Module and the signal circuit terminal 8 X1 at the X91 Mobile Telephone Connector.
    • If less than the specified range, test the signal circuit terminal 16 X2 at the K82 Mobile Telephone Control Module for an open/high resistance.
  10. If all circuits test normal, replace the X91 Mobile Telephone Connector and verify that the customer concern is not still present.
    • If the customer concern is still present, replace the K82 Mobile Telephone Control Module.
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