What is ASD fuse jeep?
The function of the automatic shutdown (ASD) relay is, to shut off power to major systems. When the key is turned off, as a safety feature.
What causes a jeep ASD relay to stop working?
Can be 50 causes, but in macro form is, bad engine bad spark plugs and wires, bad fueling, which can be flooding or lost fuel pressure (stavation) Stalls for bad engine are lost compression hot. Some engine can do that, even stuck open head valves now or only HOT. (and many more issues inside the actual engine)
How does the ASD work on a jeep?
The system and how it works. The ASD has engine startup logic that is unique to JEEPs. You must crank with in seconds or the key on, is ignored by many jeeps. You crank the engine, and the above list of logic checks, must not fail, during the start event or it cuts the ASD.
Why is my skim light not working on my Jeep?
Immobilizer active. (failing or bad IMMO key, etc,) SKIM module is unhappy see dash light glowing telling you, SKIM failure. Any security failures, at all will glow the idiot lamps. The operators guide is clear there, read that. or hit home above and see SKIM
What is the automatic shut down relay on a jeep?
ASD relay “Automatic Shut Down relay” used on all EFI jeeps. 1990 to present. What is it? It is a safety device, that exists by LAW and for good reasons. It CAN prevent FUEL fires (the Classic Crash and burn reason) and engine hyrdolocking.
Where are the fuses on a Jeep Cherokee?
Jeep Cherokee (XJ) 1997 – 2001 Fuse & Relay Information FUSE NUMBER FUSE CURRENT RATING CIRCUIT INFORMATION (What the fuse is fo 1 25 Amp Power outlet – Located top left column i 2 25 Amp Cigar lighter 3 10 Amp Left headlamp
Why is the fuse blowing on the ASD relay?
If the fuse is blowing, it has to be because there is too much of a current draw somewhere in the circuit. The purpose of the ASD relay is to cut the power to the fuel pump if there is no Crank signal such as in the case of an accident.
What causes a jeep ASD relay to drop?
If the ASD relay drops driving and stalls the engine, or even parked idling, one of the above caused it. (older cars have, less checks) Stalls caused by ASD drop are in the 8 point list above. Stalls caused by ASD not dropping first!
What is the fuse for the oxygen sensor?
Fuse #12 (10amp) provides 12 volts to the coil side of both the relays and the ignition switch. Fuse #6 (30 amps) supplies 12 volts to the output side of the relay. Fuse #16 (15 amp) from the relay output to the Oxygen Sensors and Fuse #26 (15 amp) relay output to the PCM.