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How to test a asd relay on a 2003 dodge caravan with a e.el engine

How do i test the asd relay to see if is is okay?

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Unplug the relay. The terminals are labeled on the bottom of the relay. 85 and 86 are the coil, the other 3 are the contacts. 87 NO 87A NC 30 COMMON. If you can't test with tools, just find another, identical relay in the power panel (horn, headlights, starter, etc.) and swap. Try the other thing. If it works, the relay you swapped in works.

Posted on Mar 31, 2014

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Wont start2004 dodge grand caravan sxt code p0685 show on dash


P0685 DODGE - Auto Shutdown Relay Control Circuit Failure
Possible causes - Faulty Engine Control Module (ECM) power relay
- ECM power relay harness is open or shorted
- ECM power relay circuit poor electrical connection
- Faulty (ECM
Possible symptoms:
Engine Light ON (or Service Engine Soon Warning Light) P0685 Dodge Description: Short or open in Auto Shutdown (ASD) relay circuit, this relay is under the hood in the relay center.

Oct 14, 2016 | 2004 Dodge Grand Caravan

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2001Dodge caravan 3.8L engine cranks but won't start, and dash lights and gauges go wacky


05 Dodge Caravan No Start P0688 bad wire - YouTube

? 10:49
www.youtube.com/watch?v=yshodC_crqo
Sep 22, 2012 - Uploaded by Brian Mann 2005 dodge caravan crank no start p0688 asd relay circuit ... butdoing the voltage drop on the back of the connector to the ipm to.... ECM PCM STARTER 2003 DODGE GRAND CARAVAN 3.3L V6 WONT START ... 1996, 97, 98 Dodge Caravan Starter install3.8L V6 - Duration: 8:39. by Gary O 4,364 views.

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1 Answer

How to test the asd relay on a 2003 dodge caravan 3.3l engine


This can be done with a ohm meter, but you need a chart of the internal wiring. Better, if there is another exactly the same relay you could swap them to test.

Mar 31, 2014 | 2003 Dodge Caravan

1 Answer

2003 dodge grand caravan turns over but wont start


Someone will need to trace that circuit to find the short.
There are a dozen or more components controlled by that relay.
You may need a wiring diagram and/or repair manual to troubleshoot it.

Aug 12, 2012 | 2003 Dodge Grand Caravan AWD

1 Answer

I have a 2003 dodge dakota. 4.7l. I get codes p0685 and p0688. No start no spark. Relay is good. But voltage drops when using a voltage meter on one of the grounds in the pdc. Any live wire and that ground...


P0685 DODGE - Auto Shutdown Relay Control Circuit Failure
Symptoms - Engine Light ON (or Service Engine Soon Warning Light)

Possible causes - ASD relay circuit is open or shorted
- Failed Auto Shutdown relay
- Failed ECM
Tech notes Check all the ECM fuses, if the fuses are OK try replacing the ASD relay. P0685 DODGE Description Short or open in Auto Shutdown (ASD) relay circuit

P0688 DODGE - Auto Shutdown Relay Control Circuit Low
Symptoms - Engine Light ON (or Service Engine Soon Warning Light)

Possible causes - ASD relay circuit is open or shorted
- Failed Auto Shutdown relay
- Failed ECM
Tech notes Check all the ECM fuses, if the fuses are OK try replacing the ASD relay. P0688 DODGE Description The Front Control Module (FCM) has detected the supply voltage below an acceptable value

Jun 24, 2011 | 2003 Dodge Dakota Club Cab

1 Answer

What is the fault codes 1388 and 1389 for a 2002 Dodge Grand caravan? My engine stops while driving and won't start. It will usually start later but seems to be starved for fuel.


No voltage sensed at the PCM (powertrain control module) when the ASD (auto shut down) relay is energized. It could be the ASD relay, the PCM, possibly their relays.
If you are interested in further diagnosing the problem, I will be happy to assist you.

Mar 28, 2011 | 2002 Dodge Grand Caravan

2 Answers

1999 dodge caravan 3.0 liter. fuel pump relay not getting voltage


Have you checked the ASD (Automatic Shut Down) Relay? Check to see if that is getting power. Then check to see if the ASD Relay itself is good. You do not have to use any special tools/knowledge to check this. You can change this Relay out with another Relay that is the same shape and type on a function that is known working. For example: Check to see if your Front Windshield Wipers are working. Change out the ASD Relay with this Front Windshield On/Off Relay. Check the Wipers again. If it does not work, then the ASD Relay is bad. With the Front Wiper Relay in the ASD now check for power to the Fuel Pump Relay.
One additional fact: IF the Crankshaft Position Sensor is bad the Engine will not operate at all, meaning there will be no power sent to anything including the fuel pump relay!

Nov 25, 2009 | 1999 Dodge Caravan

1 Answer

On 1996 dodge grand caravan code 42 from blinks from chedk engine light.


A code 42 is the Auto Shutdown Relay Control Circuit....The ASD relay is located under the hood in the Power Distribution Center next to the battery. Change the ASD relay, that should fix you up. If that doesn't work...you might have to check the PCM. But replacing the ASD relay should do it.

Bryon

Oct 11, 2009 | 1996 Dodge Caravan

1 Answer

Engine won't start


Sounds like an AUTOMATIC SHUTDOWN (ASD) RELAY problem. Fairly common on the Caravan.
Heres a brief overview of the ASD.
The Powertrain Control Module (PCM) operates the Auto Shutdown (ASD) relay by switching the ground path on and off.
The ASD relay supplies battery voltage to the fuel injectors, electronic ignition coil and the heating elements in the oxygen sensors.
The PCM controls the relay by switching the ground path for the solenoid side of the relay on and off. The PCM turns the ground path off when the ignition switch is in the Off position unless the 02 Heater Monitor test is being run. Refer to On-Board Diagnostics. When the ignition switch is in the On or Crank position, the PCM monitors the crankshaft position sensor and camshaft position sensor signals to determine engine speed and ignition timing (coil dwell). If the PCM does not receive the crankshaft position sensor and camshaft position sensor signals when the ignition switch is in the Run position, it will de-energize the ASD relay.
The ASD relay is located in the Power Distribution Center (PDC). The PDC is located on the driver's side inner fender well Power Distribution Center . A label on the underside of the PDC cover identifies the relays and fuses in the PDC
Check for good ground.
Good luck...i hope this helps, please rate me a fixya.

Jun 25, 2009 | 1994 Dodge Caravan

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