Post #1
Does the immobiliser cut the power to the fuel pump, or the 12V feed to the injectors/ignition or both ?
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displaying posts 1 to 14 of 14
| Author | Subject: immobiliser question |
 bas_306gti
Regular  Location: Eindhoven Registered: 06 Sep 2012 Posts: 108 Status: Offline |
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 Posted 8th Jun 2013 at 18:56
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Rich E
Forum Admin Location: Hertfordshire Registered: 27 Apr 2005 Posts: 7,757 Status: Offline |
Post #2
Injectors and ignition, but not the fuel pump.________________________________________ Rich |
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Posted 8th Jun 2013 at 19:01
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bas_306gti
Regular Location: Eindhoven Registered: 06 Sep 2012 Posts: 108 Status: Offline |
Post #3
So if I have a locked ECU, the fuel pump should run upon startup? |
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Posted 8th Jun 2013 at 19:08
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #4
bas_306gti wrote: So if I have a locked ECU, the fuel pump should run upon startup?  ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone  |
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Posted 8th Jun 2013 at 19:13
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welshpug!
Capt Pedantic  Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #5
no, given it wont start  ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 8th Jun 2013 at 19:35
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #6
I think he meant starting the ignition switching on process... ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
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Posted 8th Jun 2013 at 22:12
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bas_306gti
Regular Location: Eindhoven Registered: 06 Sep 2012 Posts: 108 Status: Offline |
Post #7
stan_306gti6 wrote: I think he meant starting the ignition switching on process... Yes I meant not hearing the fuel pump when switching the ignition on. I don't know if it makes any difference but the engine involved is the XU10J4R engine (306 XSI 2.0 16V) it uses the Bosch motronic MP5.2 ecu. The ECU seems to be completly dead, there's no spark, no fuel and no 12V feed to the fuel pump. |
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Posted 9th Jun 2013 at 10:41
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #8
Have you checked the fuel cut-off switch and the multi-function relay.  ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
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Posted 9th Jun 2013 at 12:55
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bas_306gti
Regular Location: Eindhoven Registered: 06 Sep 2012 Posts: 108 Status: Offline |
Post #9
Yes changed the double relay with another one and tested the fuel cut off switch (resistance between pins 0 ohm) |
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Posted 9th Jun 2013 at 20:09
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #10
It does seem like the ECU isn't well, can you try another ECU on yours or perhaps yours on another car?________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
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Posted 9th Jun 2013 at 20:51
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bas_306gti
Regular Location: Eindhoven Registered: 06 Sep 2012 Posts: 108 Status: Offline |
Post #11
I'm having the ECU tested next week. |
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Posted 11th Jun 2013 at 21:33
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bas_306gti
Regular Location: Eindhoven Registered: 06 Sep 2012 Posts: 108 Status: Offline |
Post #12
ECU was unlocked and in good working order.However I found out that the connector of the crank sensor was switched with the connector of the speed sensor (both 3 pin connectors). When the ECU does not find the crank sensor during startup (the ECU checks all sensors), the fuel pump is not activated because dual relay is not activated by the ECU  |
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Posted 16th Jun 2013 at 18:01
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #13
So is it all up and running now then? ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
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Posted 16th Jun 2013 at 20:41
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bas_306gti
Regular Location: Eindhoven Registered: 06 Sep 2012 Posts: 108 Status: Offline |
Post #14
Yep, it's running fine now (engine is placed in a 205 Griffe)I was suprised how easy these connectors can be switched actually, they are the same 3 pin connectors and are in the same place in the cable loom |
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Posted 16th Jun 2013 at 21:12
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