Jeep Auto Shutdown Relay Location

Auto shutdown relay circuit location2 wiring diagram answered by a verified jeep mechanic we use cookies to give you the best possible experience on our website.
Jeep auto shutdown relay location. By bob o neill and bob lincoln. Access our liberty wrangler 1997 2005 auto shut down relay repair guide description and operation by creating an account or signing into your autozone rewards account. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.
It supplies battery voltage 12 volts to the fuel injectors and ignition coil s. It does that by cutting fuel spark and injection. Powerprobe 4 https amzn to 2ggmxpl in canada power probe 4 https amzn to 2rohibj i should have actually mentioned this in the video but when you first tu.
If there s an issue with the asd relay or the wiring to the asd relay you ll get a no start jeep condtion. It can prevent fuel fires the classic crash and burn reason and engine hyrdolocking. One of these components is the automatic shutdown relay commonly referred to as the asd relay.
The power supplied to the fuel pump ignition coil fuel injectors and parts of the power module is controlled by the logic module through the automatic shutdown relay asd. Automatic shutdown asd relay function failure testing the function of the automatic shutdown asd relay is to shut off power to major systems. The asd relay is responsible for supplying switched 12 volt power to the vehicle s injectors and ignition coils allowing them to provide fuel and produce spark.
When the key is turned off as a safety feature. The idea is to shut off fuel pressure and the ignition systems when the key is turned off to prevent fires dieseling and other problems. So when the automatic shutdown asd relay is on.
It is a safety device that exists by law and for good reasons. Asd relay automatic shut down relay used on all efi jeeps. If so the pcm provides ground to the auto shutdown relay asd also called the main relay which then operates to provide power to the totally integrated power module tipm which provides power to the fuel injectors and ignition coils.