Operation CHARM: Car repair manuals for everyone.

Automatic Shut Down Relay

The Automatic Shut-Down (ASD) relay is located in the Power Distribution Center (PDC). Power for the coil and contact side of the relay is provided by circuit A14. This circuit is HOT at all times and protected by a 20 amp fuse located in cavity 5 of the PDC.

The Powertrain Control Module (PCM) controls the ground path for the relay on circuit K51. This circuit connects to cavity 67 of the PCM connector.

When the relay is energized, the contacts internal to the relay close connecting circuits A14 and Al 42. The A142 circuit is spliced and provides power to the fuel injectors, generator, electronic EGR transducer solenoid, and the ignition coil.