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Remote Keyless Entry Lock/Unlock Isolation Test

  1. Connect Tech 1 scan tool to Data Link Connector (DLC). Command Tech 1 to unlock left front door. If door does not unlock, see LEFT FRONT DOOR ISOLATION RELAY TEST  . If door unlocks, command Tech 1 to unlock all doors. If all doors do not unlock, see REMOTE DOOR LOCKING TEST  .
  2. If all doors unlock, set Tech 1 to monitor transmitter signal received by Remote Accessory Control (RAC) module. Press all transmitter buttons. If Tech 1 recognizes some but not all buttons, replace transmitter. If Tech 1 recognizes all buttons, replace RAC module. See REMOVAL & INSTALLATION  . Program new RAC. Refer to PROGRAMMING  .
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