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Mitsubishi
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2014
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Lancer ES Sportback
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Repair and Diagnosis
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Body & Frame
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Door Locks
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Theft Alarm - Lancer
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Symptom Procedures
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Inspection Procedure 3: Horns do not normally sound while the theft-alarm system is triggered
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Troubleshooting Hints
Troubleshooting Hints
Horns may be defective
Horn relay may be defective
The ETACS-ECU may be defective
The wiring harness or connectors may have loose, corroded, or damaged terminals, or terminals pushed back in the connector