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4.
Reading the Connection Points at the 24 pin Main Alarm Connector :
A. When checking the 24 pin main alarm connector, be sure that it is disconnected from the alarm
control module. All other connections to the main alarm harness should remain connected.
PIN 1 - DOOR TRIGGER - BROWN WIRE
Pin 1 to Ground -
Approximately 12 Volts with all doors
closed.
0 Volts with LF or RF door opened.
PIN 2 - HOOD PIN SWITCH - DARK GREEN WIRE
Pin 2 to Ground -
No continuity with hood lid closed.
Continuity with hood lid opened.
PIN 3 - L.E.D. (+) - RED WIRE (Refer to NOTE below)
PIN 4 - L.E.D. (-) - LIGHT BLUE WIRE (Refer to NOTE below)
PIN 5 - ALL DOOR UNLOCK #1 - PINK w/ WHITE STRIPE WIRE
Pin 5 to Ground -
Approximately 12 Volts.
0 Volt pulse when LF door unlock switch
is activated.
PIN 6 - BLANK
PIN 7 - LF DOOR UNLOCK FROM RELAY - DARK BLUE w/ WHITE
STRIPE WIRE
Pin 7 to Ground -
0 Volts.
Approximately 12 Volt pulse when LF door
unlock switch is activated.
PIN 8 - LF DOOR UNLOCK TO SOLENOID - WHITE WIRE
Pin 8 to Ground -
0 Volts.
Approximately 12 Volt pulse when LF door lock
switch is activated.
PIN 9 - DRIVER'S DOOR UNLOCK SOURCE - ORANGE w/ WHITE
STRIPE WIRE
Pin 9 to Ground -
Always approximately 12 Volts.
PIN 10 - HORN RELAY - GREEN w/ RED STRIPE WIRE
Pin 10 to Ground -
Approximately 12 Volts.
0 Volts when horn switch is activated.
PIN 11 - TAILLIGHT RELAY - YELLOW/GREEN STRIPE WIRE
Pin 11 to Ground -
Approximately 12 Volts.
0 Volts when Parking Lamp switch is
activated.
PIN 12 - CTSY LIGHT SOURCE - BLACK w/ WHITE STRIPE WIRE
Pin 12 to Ground -
Always continuity.
PIN 13 - (+) 12 VOLT BATTERY SOURCE - RED WIRE
Pin 13 to Ground -
Always approximately 12 Volts.
TROUBLESHOOTING:
1
2
3
4
5
6
7
8
9 10 11 12
13 14 15 16 17 18 19 20 21 22 23 24
24 PIN MAIN ALARM CONNECTOR
( TERMINAL VIEW )
PIN 14 - CHASSIS GROUND SOURCE - BLACK WIRE
Pin 14 to Ground -
Always continuity.
PIN 15 - (+) 12 VOLT IGNITION SOURCE - YELLOW WIRE
Pin 15 to Ground -
Approximately 12 Volts when ignition key
switched to " RUN " and " START ".
0 Volts when ignition key switched to
" LOCK " and " ACCESSORY ".
PIN 16 - TRUNK TRIGGER - BROWN w/ WHITE STRIPE WIRE
Pin 16 to Ground -
Approximately 12 Volts with trunk lid and all
doors closed.
0 Volts with trunk lid opened.
PIN 17 - ALARM CONTROL SWITCH - GREY WIRE
PIN 18 - ALARM CONTROL SWITCH - BLACK w/ ORANGE STRIPE WIRE
Pin 17 to Pin 18 -
No continuity with alarm control switch in OFF
(OUT ) position.
Continuity with alarm control switch in ON (IN)
position.
PIN 19 - BLANK
PIN 20 - DISARM - PINK w/BLACK STRIPE WIRE
Pin 20 to Ground-
Approximately 12 Volts.
0 Volts when LF door key switch is rotated to
unlock.
PIN 21 - DOOR LOCK WIRE - PINK WIRE
Pin 21 to Ground -
Approximately 12 Volts.
0 Volts when LF door lock switch is activated.
0 Volts when LF door key switch is rotated to
lock position.
PIN 22 - STARTER DISABLE RELAY - ORANGE WIRE
Pin 22 to Ground -
Approximately 12 Volts when ignition key
switched to " RUN " and " START ".
0 Volts when ignition key switched to
" LOCK " and " ACCESSORY ".
PIN 23 - HEADLIGHT RELAY - BLUE WIRE
Pin 23 to Ground -
Approximately 12 Volts.
0 Volts when Headlight switch is activated.
PIN 24 - COURTESY LIGHT - GREEN w/ WHITE STRIPE WIRE
Pin 24 to Ground -
Approximately 12 Volts with all doors closed
0 Volts with LF or RF door opened.
NOTE: The alarm control module must be connected to the
security main harness in order to test pins 3 and 4.
