ASD Relay

Tiny
JAYFORBES
  • MEMBER
  • 1995 JEEP WRANGLER
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 115,000 MILES
What is a ASD Relay? Where is it located on my Jeep? What does it do? Thanks, Jay
Monday, May 16th, 2011 AT 7:38 PM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,762 POSTS
PURPOSE
A 12 volt signal at this input indicates that the Automatic Shutdown (ASD) relay has been activated.

OPERATION
This input is used only to sense that the ASD relay is energized. If the Powertrain Control Module (PCM) does not see 12 volts when the ASD relay should be activated, it will set a Diagnostic Trouble code.

Supplies power to the fuel pump relay as well.

See the diagram below to visually get an idea of how it is wired into the system
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Monday, May 16th, 2011 AT 7:47 PM

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