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My ASD fuse is making a clicking noise and vibrating. What is the function of this fuse?

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ASD fuse is called an AUTOMATIC SHUT DOWN FUSE. The ASD sense circuit informs the PCM when the ASD relay energizes. A 12 volt signal at this input indicated to the PCM that the ASD has been activated. This input is used only to sense that the ASD relay is energized.
When energized, the ASD relay supplies battery voltage to the fuel injectors, ignition coils, and the heating element in each oxygen sensor. If the PCM does not receive 12 volts from this input after grounding the ASD reley, it sets a Diagnostic Trouble Code (DTC).

Posted on May 18, 2011

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Thats an Automatic Shutdown fuse The ASD relay supplies power to the fuel injectors, ignition coil and oxygen sensor. It gets energized with a ground input on terminal 85 from the PCM. If the relay is defective the truck won''''t get fuel to the injectors nor will the other parts receive voltage and the truck won''''t start. You should also get a check engine code from the PCM when and if the relay is bad. It might have code P1388 or P1389 for ASD problem.

Posted on May 18, 2011

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1 Answer

Why asd fuse keeps blown


You have a Chrysler , dodge , or Plymouth ? ASD Fuse supplies power to ASD relay ,if you have a Dodge , Chrysler or Plymouth vehicle . You have a short to ground , videos on you tube , how to find a electrical short ! ASD - auto shut down , this powers Ignition system , fuel injectors , O2 sensors . A short in any one of these systems will blow the fuse . O2 sensor wires get melted on exhaust pipes an manifolds ! That is if you have one of these make vehicles !

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Where is the ASD relay located


In the fuse and relay box in engine compartment

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Asd fuse making a clicking noise


Doubt that it is a fuse clicking but rather a relay.. fuses normally cut power to an overloaded circuit.

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My 2001 neon wont start and the asd relay in the fuse box is making a clicking noise. i replaced the starter , new battery tested the alternator what could be the problem


have you checked for voltage at the starter for each terminal when there is to be voltage at each terminal.also you could have a bad asd relay that is working only on one half of the circuit but still makes a clicking noise.

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Will not start. have jumped battery. will get enough juice to make the key in ignigtion warnig bell but will not turn orver


when you cycle the key.do you hear a fuel pump noise it will be on for 3 seconds, cycle it. you should hear it, if you dont go to the battery junction box fuse area, and check the fuses. and make sure the fuel pump fuse is not shorted out. also when you cycle the key to ACC do you hear a click in that box area? This vehicle is ASD relay control ill keep my eye on this post if you repond to me i ll respond if some one else you respond to let them help you

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1 Answer

2005 Dodge Durango, clicking noise coming from the engine (sounds like it is coming from the fuel injectors and the fuse box) car starts, runs fine, no warning indicators. Remove ASD fuse??? and it stops.


ASD relay faulty? Try swapping it with same number from other relays & see if clicking stops. I believe there is others same # in there, but might not be. Get back to me if not.

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1 Answer

Describe your 2007 Jeep Wrangle2007 Wrangler


USA car
what engine???????????
wiki
2.8L VM Motori RA 428 Diesel I4
Complete engine specs[show] 3.6L Pentastar V6
Complete engine specs[24][show] 3.8 L EGH V6
times the starter will continue to run until key is turned off.
that is starter relay bad or the puter running it gone nuts.
or bad starter
next time when starter latches up, pull the relay
if it kills the cranking its bad relay or puter
if not, bad starter. all in 1min work..
and a very very serious first ORDER fix first problem
runs on test fuel. but you failed to keep it running for the 2 -3 second JEEP RULE.
if you had here is the results. (logic) hard.
1: i can keep it running with spray need a video?
yes, means ASD is not dropping out
2: no? ASD is killing the engine on purpose. and scan tool told you.

cranks no start
you said,
"No codes." if really true , there is no fuel pressure.!
if not true, its done wrong. so scan correctly THIS time.
is the skim light glowing in the dash cluster, if yes, it will not start
by DESIGN. SKIM is the immobilizer and DOES!

you must scan WHILE l its failing, not after, WHILE.
HOW TO SCAN correctly on JEEPS, (no starts)
key on, see scanner working? now, it must, if not ask.
crank or 5 seconds, (1 potato , 2 potata, 3,4,5.
release key, ( 4 and 5 are overkill but why not?)
do not turn key off or say 2 minutes, get PCM time to REPORT.

scan (2008 or newer scan tools work, CAN-BUS certified)
the tool then tells you why the ASD RELAY dropped killing starting (by DESIGN)
try to know SKIM is and option, so.... me blind can see car
http://jeepdied.com/ASD.html

runs on test fuel longer that 3 seconds, by hand, means.
all is working mostly, the fuel pressure gauge needs a jeep hose kit to work so/....... the pump needs power to work,



now the acid tests
i have 2. acid tests lacking a real scan too;..
spark timing light connected up.
you crank and spark dies, AFTER 2-3 seconds into crank/start
cycle means ASD dropped.
connect meter to injector 12vdc power feed its a daisy chain
12vdc dies, at 3seconds of crank, or dies
at 3 seconds of running,
if true PCM did that , and is ASD drop doing that
running any jeep for 1 second on test fuel is a waste of time
it tells too little
learn that jeeps can drop a ASD at 100mph
any time it wants. and only scanning while it drops
tells you why, unless the SKIM lamp glows,

Mar 03, 2017 | Jeep Wrangler Cars & Trucks

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