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Home >> Acura >> 2003 >> MDX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 58 (Multiplex Integrated Control System) >> System Description >> Network "Loss of Communication" Error Checking Function >> Security Alarm System
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Security Alarm System

WARNING: This page is about a different car, the 2009 Acura MDX, 2008 Acura MDX, and 2007 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

The MICU controls the lighting system and horn based upon the input signals of each switch and the B-CAN signals.

SECURITY ALARM SYSTEM INPUT AND OUTPUT REFERENCE

  Input Output
MICU IG1 power supply
Ignition key switch
Audio switch
Driver's door switch
Front passenger's door switch
Left rear door switch
Right rear door switch
Inclining sensor
B-CAN Driver's door key cylinder switch (LOCK/UNLOCK)
Front passenger's door lock knob switch (UNLOCK)
Left rear door lock knob switch (UNLOCK)
Right rear door lock knob switch (UNLOCK)
Keyless LOCK/UNLOCK signal
Door lock signal
Relay control module (Hood switch)
Tailgate latch switch
MICU (SET 1) message
MICU (SET 2) message
ALARM (ACTION) message
ALARM (HORN) message
ALARM (H/L LOW) message
ALARM (SMALL LT) message
ALARM (CYCLE) message
ANSWER BACK (SMALL LT) message
ANSWER BACK (BUZZER) message