Galant V6-3.0L SOHC (2003)
STEP 10. Check the input signal by using the pulse check mode of the monitor.
Check the input signals from the following switches:
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Key reminder switch
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Driver's, front passenger's and rear door lock actuator switch
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Driver's and front passenger's door lock key cylinder switch
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Food switch
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Trunk lid latch switch
Operate scan tool MB991502 according to the procedure below to display "PULSE CHECK."
1. Select "SYSTEM SELECT."
2. Select "SWS."
3. Select "PULSE CHECK."
Check if scan tool MB991502 sounds or not.
Q: When the key reminder switch, driver's, front passenger's and rear door lock actuator switches, driver's and front passenger's door look key cylinder
switches, hood switch, trunk lid latch switch and trunk lid lock key cylinder switch are operated, does scan tool MB991502 sound in all cases?
YES: Replace the ETACS-ECU. The theft-alarm indicator light should illuminate, and the theft-alarm system should be set normally.
NO:
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Scan tool MB991502 does not sound when the key reminder switch is operated: Refer to Inspection Procedure N-1 "ETACS-ECU does not
receive a signal from the key reminder switch."
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Scan tool MB991502 does not sound when the driver's or the front passenger's, the rear and the back door lock actuator switches are operated:
Refer to Inspection Procedure N-6 "ETACS-ECU does not receive signals from the driver's or the front passenger's door lock actuator switches."
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Scan tool MB991502 does not sound when the driver's and the front passenger's door lock actuator switches are operated: Refer to Inspection
Procedure N-5 "ETACS-ECU does not receive signals from the driver's and the front passenger's door lock key cylinder switches."
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Scan tool MB991502 does not sound when the hood switch is operated: Refer to Inspection Procedure N-8 "ETACS-ECU does not receive any
signal from the hood switch."
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Scan tool MB991502 does not sound when the trunk lid latch switch is operated: Refer to Inspection Procedure N-9 "ETACS-ECU does not
receive any signal from the trunk lid latch switch."
Inspection Procedure L-2
Theft-alarm System: Horn does not sound when the theft-alarm is triggered.
