Question about 1995 Honda Civic

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What is the ecm fuse

I need to resite the ecm fuse because the engine light is on.

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ECM = Engine Control Module, Computer for short
If its blowing then there is a short in the system someplace, prolly a wire that has been wore bare and is grounding when it shouldnt.

Since they replaced the batt. check your terminal connections, it might have been tightened enough to drive it but now is lose, it takes more to start a vehicle than it does to run one.

The ECM could cause it to stall cause it controls electronics, but it could be the terminals being lose as well, your radio and lights will work beacuse they dont draw as much voltage so theres not as big of a need for a good connection, not that thats good but thats how it works.

Posted on Jan 22, 2013

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1 Answer

Chevy code P1682?


P1682 Chevrolet - Ignition 1 Switch Circuit 2

Possible causes
- Faulty ignition switch
- Ignition Switch harness is open or shorted
- Ignition Switch circuit poor electrical connection
- Faulty Engine Control Module (ECM)
What does this mean? What does this mean?
When is the code detected?
The ECM has detected a voltage deifference between two circuits
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Possible no crank or start
P1682 Chevrolet Description

There are 2 ignition 1 voltage circuits supplied to the Engine Control Module (ECM). The first ignition circuit is provided by the powertrain relay, through a fuse. This ignition 1 voltage circuit supplies power to all the internal ECM circuits associated with the throttle actuator control (TAC) operation. The second ignition 1 voltage circuit is supplied by the run/crank relay through a fuse, and is used to power the remaining internal ECM circuits. If the ECM detects a voltage difference between the 2 ignition 1 voltage circuits, DTC P1682 will set

Read more: http://engine-codes.com/p1682_chevrolet.html#ixzz3dr4CYBUT

Jun 22, 2015 | Cars & Trucks

1 Answer

Were is a ecm fuse locaed on a1993 s10 chevdolet truck


Service engine light may be wanting you to simply change the oil and reset the code.
You don't need to locate the ECM (what would you do if you found it???)

Feb 13, 2015 | 1993 Chevrolet S-10

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Whats the codes p0685 an p0688 on a 2004 chrysler pacifica mean


P0685 CHRYSLER - Auto Shutdown Relay Control Circuit Failure

Short or open in Auto Shutdown (ASD) relay circuit
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 CHRYSLER - Auto Shutdown Relay Control Circuit Low

The Front Control Module (FCM) has detected the supply voltage below an acceptable value
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.

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Where is the ECM located on a 2006 Chevy truck with a v-6


the ECM is near the fuse box. open you hood. stand in front of you drivers side headlights and look down. itll be between the head lights and the fuse box and its under the radiator hose IIRC. the ecm is covered by a black cover. you need to remove that to see the actual ecm. Here is a helpfull site also before you buy a new ECM. http://www.ehow.com/how_7315090_reset-ecm-chevy-truck.html

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Ecu box passat


ecm goes bad it will go in limp mode, vechicle will run poorly check engine light will stay on vechicle wont start.you need to use a code scanner check for ecm fault code, if check engine light not turning on when you start vechicle could have blowed ecm fuse or wiring problem, could have loose connection at ecm electrical connector or ecm getting poor ground but first check for a defective ecm using a code scanner.

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Where is the ECM located on 05 gmc Duramax ? Looking to replace it with a programed ECM


The ECM is near the fuse box. It will be between the head lights and the fuse box and its under the radiator hose IIRC. The ECM is covered by a black cover,you need to remove that cover to see the actual ECM. Here you can find more quality auto parts http://www.autopartspoint.com/products/engine-control-module.html

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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

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Blower fan has no output. Temp guage not working


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Oct 03, 2009 | 1999 Chevrolet Blazer

1 Answer

Engine light came on and now power windows won't work


Whenever the "Check Engine" light comes on, there is always a DTC (Diagnostic Trouble Code) stored in the ECM (Engine Control Module). You'll need an OBDII (On-Board-Diagnostics) scanner to retrieve any codes recorded/set in ECM. Research of the wiring diagrams indicate there is no relationship/connection between the Check Engine light (Engine Management System - EMS) and the Power Windows circuit. Check all your fuses (Passenger compartment) fuses 16 & 20 & fusible link (30 amp) supply power to the power windows (as well as to Stop lamp switch(cruise), head lamp, A/C relay.

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