Question about 1996 Mitsubishi Galant

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Ecu part mr578505

Is this the part number mr578505 or the housing number. the other number on the box is e6t35479 Hoozc 2104 204. what I need to know if I replace the ecu must I also replace the Relay located in the main fuse box. Car is Mitzibishi Galant 2002, ES 2.4 L

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No only if it is defective or you know that you had a short, it is common for a shop to replace both but only after testing to see if there is more than .2 ohms resistance on any of the two prongs on the relay or from the computer to ground.

Posted on Sep 11, 2009

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My Alfa 2004 computer box one of the pins is burnt what can I do?


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find a used or referbished unit with same numbers on the outer casing as your damaged ECU
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26276064-fffxrszzok1qni30eqtcokfe-1-0.jpg

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1 Answer

Where is the ecu located on a 2004 nissan maxima 3.5 sl


This is a copy/paste from a Nissan forum:

C/P

The ECU is located on the floor directly behind the radio. You do NOT need to remove any glove box, dash, or vents to access it. There is a black plastic cover with 2 round plastic snaps that cover the ECU. From the driver's side, the cover is directly beside the gas pedal. Pull on the cover to remove it, and there is the ECU. The ECU has (4) 8mm screws that hold it to the mounting bracket. Then it slides out towards the passenger's side.

As for the part number, you need the Consult-II to get it. But you also need a code that is written on top of the ECU if you are looking for a junkyard spare. You can see this code from the passenger's side without removing the ECU from the mounting bracket (You will need a flashlight). The number should be A56-***-** or something like that.

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Where is the computer box located in a 97 avallon


Instructions
    • 1

      Remove the battery cover to access the battery terminals. Disconnect the negative (-) battery cable with the pliers.

    • 2

      Open the glove box door and squeeze the outer part to remove the door. Locate the two screws behind the door to remove the glove box.

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    • 3

      Access the ECU behind the glove box. Remove the electrical connectors by hand; remove the bolts mounting the ECU to the inner dash.

    • 4

      Install the new ECU in the same position. Replace the bolts and reconnect the electrical connectors.

    • 5

      Replace the glove box and the glove box door. Reconnect your battery.

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Read more: How to Replace a Toyota Avalon ECU ' eHow.com http://www.ehow.com/how_6170111_replace-toyota-avalon-ecu.html#ixzz289jiGlka

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Hi. My Jag head lights have started this blinking thing. As I am driving they will blink for no apparent reason. There doesn't appear to be anything going on otherwise. Any ideas where to start?


I had an S-Type too, I found this blinking when battery charge was low. So my opinion is something wrong with charging, you have to check battery contacts, measure battery voltage and check alternator. A possible case, contact problem at ECU. THe ECU under the house of pollen filter at engine end. You need some car mechanic ambition to remove the house of pollen filter and to clean ECU connectors with contact cleaner spray.
Of course this is just my experience, no guarantee, this works at you.

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1 Answer

How do I wire a remote door lock to my 1995 mitsubishi eclipse , what are the wire colors for the power door locks?


Hope this helps. It's for a 2004 eclipse remote start.

12volts white/red (40A) + ignition harness
Starter black/red + ignition harness
Second Starter N/A
Ignition green + ignition harness
Second Ignition N/A
Third Ignition N/A
Accessory blue/red + ignition harness
Second Accessory blue/black + ignition harness
Keysense blue/red ignition harness
Notes: This wire rests at ground, and goes to an open circuit when the key is inserted into the ignition cylinder.
Power Lock purple - pin 33 at ETACS ECU
Notes: The ETACS ECU is attached to the back of the fuse box.
Power Unlock lt. green/red - pin 34 at ETACS ECU
Notes: The ETACS ECU is attached to the back of the fuse box.
Lock Motor lt. green 5wi pin 19, 28 pin plug below fuses
Unlock Motor green/red 5wi pin 22 at ETACS ECU
Notes: The ETACS ECU is attached to the back of the fuse box.
Parking Lights+ green/white + pin 2, 15 pin plug above fuses
Parking Lights- N/A
Hazards green - pin 55 at ETACS ECU
Notes: The ETACS ECU is attached to the back of the fuse box.
Turn Signal(L) green/blue + pin 8, 15 pin plug above fuses
Turn Signal(R) green/yellow + pin 13, 15 pin plug above fuses
Reverse Light red/blue + pin 9, 43 pin plug in driver kick
Door Trigger see notes - see notes
Notes: The driver door trigger is lt. green, pin 6, in a 15 pin plug above the fuses. The passenger door is lt. green/black in pin 65 at the ETACS ECU. Use both wires and diode isolate each.

The ETACS ECU is attached to the back of the fuse box.
Dome Supervision green/orange - pin 1, 3 pin plug above fuses
Trunk/Hatch Pin red - pin 62 or 37 at ETACS ECU
Notes: It is in pin 62 on the coupes, and in pin 37 on the convertible spyders.

The ETACS ECU is attached to the back of the fuse box.
Hood Pin green/red - pin 24 at ETACS ECU
Notes: The ETACS ECU is attached to the back of the fuse box.
Trunk/Hatch Release green/white 5wi pin 32 at ETACS ECU
Notes: The ETACS ECU is attached to the back of the fuse box.
Power Sliding Door N/A
Factory Alarm Arm lt. green/black - pin 42 at ETACS ECU
Notes: Meter this wire while turning the key in the driver door key cylinder.

The ETACS ECU is attached to the back of the fuse box.
Factory Alarm Disarm orange - pin 25 at ETACS ECU
Notes: Meter this wire while turning the key in the driver door key cylinder.

The ETACS ECU is attached to the back of the fuse box.
Disarm No Unlock blue/red - pin 27 at ETACS ECU
Notes: Meter this wire while turning the key in the hatch/trunk key cylinder.

The ETACS ECU is attached to the back of the fuse box.
Tachometer white or black/white ac engine speed detection connector
Notes: The engine speed detection connector is a single pin connector in the fuse/relay box under the hood.

Can also go to one of the ignition coils or the distributor assembly and use the black/blue or white/green wire.
Wait to start N/A
Brake Wire green/orange + brake pedal switch
Parking Brake yellow/green - parking brake switch
Horn Trigger lt. green/black - pin 44 at ETACS ECU
Notes: The ETACS ECU is attached to the back of the fuse box.
Memory Seat 1 N/A
Memory Seat 2 N/A
Memory Seat 3 N/A
Interface Module: Category:
Immobilizer Bypass Required:
Yes Type:
Transponder
Part #: 556UW
Alternate Part1 #: DesignTech 20402
Alternate Part2 #: DesignTech 29402
Notes: Standard on all models.

Good luck.

Mar 02, 2010 | 1995 Mitsubishi Eclipse

1 Answer

Sometimes i get lack of power,this seems tobe intermittent?its as if there is a delay of about 3 seconds,sometimes i smell fuel.ive changed plugs and air filter.please can u help?


is the check engine light on?
this could be a number of different sensors(mass air flow, crankshaft position sensor etc), or even a wet ECU.

I have a 99 M3 (new to 400,000 kms), had to change the ECU twice now. ecu compartment gets wet. Wet circuit boards do lots of different things. If you've checked most of the standard stuff plus, coils, check the ECU box area below the windshield passenger side.

mine started with a replacement windshield, grounded off area never retouched with paint and rusted out, water off the windshield drained into the ecu compartrment and soaked the ECU slightly different results when things got wet,

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My 1993 LC Prado wont shift to high gear.


the gearbox bearings will be different so you will have to change the ecu and the gearbox to get the jeep back to its original state

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ECU location


If it is in there check also on the drivers side of the engine block. Often , on new models the ECU is mounted behind the fuel filter housing.
Another way to find the ECU is following the wiring that are coming from the fuse box, on one way they go toward the device, on the other they go to the car computer

Here is the ECU:
1f4bce1.jpg

If you need replacement you can buy here :
Dodge Sprinter Auto Parts & More
Here you can also buy the Chilton repair manual with illustrations for all car parts and all step-by-step iillustrated procedures, this is a must if you want to DIY your vehicle.
Dodge Sprinter Repair Manual - Partstrain.com
Here is a cheaper manual, with immediate download, I do not know if it is good: MANUAL, SERVICE - Downloads

I see If I can find a precise schematic, or a picture, in case I will post it tomorrow, as now I am going offline.

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