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© 2005 Directed Electronics, Inc.
step 6
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 equals or exceeds 13.5 volts. The remote start system
monitors the increase to prevent the starter from cranking when
the vehicle is already running.
If the voltage is too low, the system assumes the engine is not
running and will shut down the Ignition/Accessory circuit.
➜
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