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Code 27

  1. Disconnect ETACS-ECU harness connector. Check voltage between ground and ETACS-ECU harness-side connector terminal No. 2. See WIRING DIAGRAMS  . If battery voltage is present, replace ETACS-ECU. If battery voltage is not present, go to next step.
  2. Check circuit between ignition switch and ETACS-ECU. See WIRING DIAGRAMS  . Repair as necessary.
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