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Circuit/System Testing

  1. Ignition OFF, disconnect the X1 harness connector at the K84 keyless entry control module.
  2. Ignition ON, test for less than 1 V between the signal circuit terminal 11 and ground.
    • If greater than the specified range, test the signal circuit for a short to voltage.
  3. Ignition OFF, connect the X1 harness connector at the K84 keyless entry control module. Disconnect the harness connector at the S38 ignition mode switch.
  4. Wait 2 minutes, test for less than 15 Ω between the low reference circuit terminal 7 and ground.
    • If greater than specified range, test the low reference circuit for an open/high resistance. If the circuit tests normal, replace the K84 keyless entry control module.
  5. Verify that a test lamp illuminates between signal circuit terminal 3 and ground.
    • If the test lamp does not illuminate, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the K84 keyless entry control module.
  6. If all circuits test normal, test or replace the S38 ignition mode switch.
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