Ecu mne101070

Yes: a 101070 is an ECU without immobilizer

Yes: behind the Radio (if equipped) is the location of the Lucas 5AS immobilizer

If you would like getting rid of the immobilizer (in your case), connect pin 23 of the immobilizer to ground (Pin 2)

I can also convert any MNE101170 to a MNE101070 or a MNE101150 to a MNE101050

PS: english language is preferred!

Hi,

can you hear the fuel pump for a few seconds by putting the ignition lock into ON (not starting)?

If not: There is a knob under the bonnet (inertia switch.) Press it. If it's clicking, then it was triggered (e.g. by wind) and you can try to start the engine again. If the fuel pump is still not running, the relaybox is probably not working. Test it.

Zitat von crazymao09

What color is the immobilizer wire 23?

white/pink

Gruß, Diddi

.... I'm afraid this is going into the wrong direction.

First of all, the Injector is supplied with 12V permanently when ignition is switched on. The ECU triggers the Injector to ground, when signals from crankshaft sensor are received by the ECU.

If you don't get signals from crankshaft sensor, the fuel pump does not run when starting the engine and there are no sparks! Easy to check.

The immobilizer has no connection or influence to this! So please check why you can't measure 12V at the Injector when ignition is on.

Other things:

The Fuel Pump gets a signal for priming the system for about 3 seconds.... not 10! If the Fuel pump is running for 10 seconds, there's something wrong.

If you can engage the starter motor, there's nothing wrong with your immobilizer. No need to change any wiring.

Injector is No. 87 in the upper right corner.

As Dougie writes, the Immobilizer is not the problem if you can engage the starter.

Here is a list of sensors:

Messwerte SPI Sensoren - Das große Mini Forum (mini-forum.de)

If there are no 12V on the Yellow/Brown cable of the injector when ignition is switchted on, check the same cable at the MFU (Multi Function Unit or Relay Box)

See picture I attached before.

Sometimes a missing Ground/Chassis connection is giving weired symptoms. So check for proper chassis ground as well.

In that case you don't have a SPI from 1995 but earlier ... I assume 1994 ...


I assume your ECU has a defect and needs repair.

The ECU MNE101070 is normally from early SPIs and has 1 connector.

Later SPIs come with 2 connectors.

But...why do you have an immobilizer?

Normally they are used with the ECU MNE101170

Very early SPI -> MEMS 1.2 (without catalytic converters, very rare) - One big Plug 36pin

Early SPI -> MEMS 1.3 - One big (36 pin) & one small Plug (18 pin)... approx 1992 - 1994

Later SPI -> MEMS 1.6 - One big Plug (36 pin) ... approx 1994 - 1996

I assume we have a MEMS 1.3 in this case, otherwise the injector wiring does not fit - or something has been modified.

Did the car run before?

This is really strange. However, its a Mini...

Never the less: without Power at the Injector, its clear the engine won't start.

You can tempoary try providing 12V directly to the Yellow/Brown Cable and check if this works.

On ECU you need to measure:

Pin 11: Ignition +12V

Pin 28: Main Power +12V when ignition is on

Pin 29: ECU Ground