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© 2006 Directed Electronics
step 7
Engine monitoring (voltage—default setting)—optional
During remote start the system will need to know if the engine
is running. The module does this by monitoring the voltage of
the vehicle’s electrical system (or the tachometer-see next topic).
When the vehicle is not running the electrical system is approx-
imately 12 volts. The system detects the engine running when
the voltage increases by 1 volt above the resting battery voltage.
The remote start system monitors the increase to prevent the
starter from cranking when the vehicle is already running.
If the remote start system sees the voltage drop by 1/2V the
system assumes the engine is not running and will shut down the
Ignition/Accessory circuit.
➜
H2/2
H2/3
H2/4
H2/5
H2/6
H2/7
LOCK
RELAY
UNLOCK
RELAY
#87
#87A
#30
#87
#87A
#30
TO CHASSIS
GROUND
BCM
15A
GREEN/BLACK LOCK #30 COMMON (OUTPUT)
WHITE/BLACK NOT USED
VIOLET/BLACK LOCK #87A NORMALLY OPEN (INPUT)
BROWN/BLACK NOT USED
BLUE/BLACK UNLOCK #30 COMMON (OUTPUT)
VIOLET UNLOCK #87 NORMALLY OPEN (INPUT)
VIOLET & VIOLET/BLACK ARE COMMON AT FUSE HOLDER
LOCK RESISTOR
(IF REQUIRED)
UNLOCK RESISTOR
(IF REQUIRED)
DOOR LOCK SWITCH/
KEY CYLINDER
UNLOCK
CHASSIS
GROUND
LOCK