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Transmitter/Module Isolation Test

  1. Connect Tech 1 to Data Link Connector (DLC). Using Tech 1 RAC data list function select TRANSMITTER 1 and TRANSMITTER 2. Press any transmitter button. If Tech 1 does not indicate signal received by Remote Accessory Control (RAC) module, go to next step. If Tech 1 does indicate signal received by RAC module, check RAC module connector for good terminal contact. If terminal contact is okay, replace RAC module.
  2. Repeat test using second transmitter supplied with vehicle. If Tech 1 indicates signal received by RAC module, replace suspect transmitter. If Tech 1 does not indicate signal received, check RAC module connector for good terminal contact. If terminal contact is okay, replace RAC module.
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