Inspection Procedure 4: Horns do 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: Horn Circuit Diagram

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 2: Identifying Connector C-312

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 3: Identifying Horn (LO) Connector A-45

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 4: Identifying Horn (HI) Connector A-45

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 5: Identifying ETACS-ECU Connector C-312

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.