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I need a ecu wiring diagram - I have an Almera 1500 2002 reg No: SM52 EVF- the number on ecu is 8J with No: MEC32-210 C1 2 x 16 It has 8 spade ends on one side plus pins and 5 spade ends on other side plus pins

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Posted on Jan 02, 2017

Benimur
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SOURCE: electrical diagram

Hi,

Might this help?

They were originally posted here and here.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Posted on Aug 16, 2008

michigan man
  • 3533 Answers

SOURCE: need a timing chain diagram for y reg nissan

try autozone.com to see if they have your car listed for diagrams pictures and step by step instructions if your car is not listed then try your local library they have all the car manuals and even copy them for you

Posted on Mar 20, 2009

emissionwiz
  • 75117 Answers

SOURCE: nissan almera ecu light

disconnect the battery negative cable for 5 minutes

Posted on Mar 05, 2010

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Does the ECM control the alternator charging amperage/voltage on a 2004 Suzuki aerio? New alternator only charges @12.5. Won't charge enough to keep ahead of necessary power draw.


Some vehicles are fitted with a smart charging system that is designed to prevent the alternator charging during acceleration to free a few horsepower to help.

My experience of these is very limited but there is an ECU that controls them and the battery, charging or ignition light using information from the engine management system.
The alternator generally has an extra plug with about four or five wires which when disconnected render the alternator a standard machine sensed type.

Japanese vehicles used separate voltage regulators longer than most types. You either need experience or a wiring diagram for good fault diagnosis but mostly it is unnecessary to check the charging current of an alternator which bears little significance unless being tested with a graduated load or adjustable carbon pile.

The current output of a healthy alternator is dependent on the terminal voltage of the battery which in turn is dependent on the electrical load placed upon it. Switching on the lights should lower the voltage and increase the alternator output. If the battery is particularly good the voltage won't fall very much and the current won't increase as much as expected...

Measuring the battery voltage with the engine running at about 2000/2500 rpm is sufficient for most purposes. With nothing switched on and a fully charged battery it should be around 14.5 volts and with everything switched on (lights, HRW, heater fan, etc.) a healthy alternator should continue to maintain a voltage above that of a healthy fully charged battery (13.2 volts).

If the voltage isn't maintained on load the charging system, probably the alternator, is faulty and should be independently tested.

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I have a BMW 525 td I have had the engine replaced


Onb German cars, brown wires are grounds. You are right, you need a wiring schematic to see where that wire is supposed to go.

Suscribe to alldata .com, for about 12 bucks or so you can get your car enroled for the year and it will include wiring diagrams.

What does not work in the car? This might give you a clue to what that ground wire is about. Note that if a componenet is looking for a ground, you will have battery voltage in that wire.

Loook nharder for where that spade connector goes also

good luck

Good Luck

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