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SJC8A00J46643400000CAAT00
Security Alarm System
Panic Mode
22-128
Keyless/Power Door Locks/Security System
System Description
NOTE: This applies to RTS and RTL (USA) or EXL (Canada).
The security alarm system is armed automatically after the doors, hood, and trunk are closed and locked. For the
system to arm, the ignition switch must be off, the key must be removed, and the MICU must receive signals that the
doors, hood, in-bed trunk are closed and locked. The alarm can be disarmed at any time by unlocking the driver’s door
with the key or pressing the UNLOCK button on the remote transmitter.
When everything is closed and locked, the only inputs that are grounded, and have 0 V, are the driver’s door lock knob
switch (LOCK position), and the audio unit or CD changer. In other words, all of the other switches are open, and have
about 5 V with system awake and 1 V in sleep mode, including the key cylinder switches. The security indicator in the
driver’s door panel begins to flash immediately after the vehicle is completely closed and locked, and 15 seconds later,
the security system arms and the security indicator flashes on for a shorter amount of time than before. If the security
indicator does not flash, the system is not arming. A beep sounds and parking lights flash to confirm the security
alarm system is armed if the LOCK button is pressed a second time within 5 seconds.
If one of the switches is misadjusted or shorted internally, or there is a short in the circuit, the security system will not
arm. As long as the control unit continues to receive a ground signal (0 V), it senses that the vehicle is not closed and
locked, and the system will not arm. A switch that is slightly misadjusted can cause the alarm to sound for no apparent
reason. In this case, a significant change in outside air temperature, the vibration of a passing truck, or someone
bumping into the vehicle could cause the alarm to sound. There is no glass breakage or motion detector feature.
If anything is opened or improperly unlocked after the system is armed, the control unit receives a ground signal from
that switch, and the 1
5 V reference drops to 0 V. If the audio unit or CD changer is disconnected, the input loses its
ground, and the input voltage goes to 1
5 V. The system sounds the alarm when any of these occur:
• A door or the in-bed trunk is forced open
• A door is unlocked without using the key or the remote transmitter
• The hood is opened
• The audio unit or CD changer is disconnected
• The remote panic is operated
When the system sounds the alarm, the horns sound and the exterior lights flash for 2 minutes. The alarm can be
stopped at any time by unlocking the driver’s door with the key or by pressing any button on the remote transmitter.
The panic mode sounds the alarm in order to attract attention. When the PANIC button on the remote transmitter is
pressed and held for 2 seconds, the alarm sounds and the exterior lights flash for about 20 seconds.
The panic mode can be cancelled at any time by pressing any button on the remote transmitter or by turning the
ignition switch ON (II). The panic mode will not function if the ignition switch is ON (II).