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Understanding Jeep ASD Relay Functions by oliver leal is a document available to read on EtoBox.

What is Understanding Jeep ASD Relay Functions about?

The document discusses the Automatic Shut Down (ASD) relay used on all electronically fuel injected Jeeps from 1990 to present. The ASD relay is a safety device that cuts fuel, spark, and injection if the PCM detects issues that could cause engine fires or hydrolocking. It monitors for 12 issues like lost power, faulty sensors, or security failures. If an issue is detected while cranking or running, it will log Diagnostic Trouble Codes (DTCs) and drop the ASD relay to shut down fuel/spark. The document prov

Author

oliver leal

Language

EN