Inspection Procedure 3: Theft-alarm horn does not sound while the theft-alarm system is triggered: Notes

CAUTION: Before replacing the ECU, ensure that the power supply circuit, the ground circuit and the communication circuit are normal.

Fig 1: Theft-Alarm Horn Circuit Diagram

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Fig 2: Identifying Theft-Alarm Horn Connector A-58

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Fig 3: Identifying Connector C-312

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Fig 4: Identifying ETACS-ECU Connector C-312

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