Date: Wed, 16 Apr 2008 13:21:10 -0700
Reply-To: Scott Daniel - Shazam <scottdaniel@TURBOVANS.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Scott Daniel - Shazam <scottdaniel@TURBOVANS.COM>
Subject: Re: Jetta Power Supply relay questions (Vanagon conversion) PIC
of wiring diagram.
In-Reply-To: <c4e7c5f90804161250w69022b29jf3ca53058a04eb46@mail.gmail.com>
Content-Type: text/plain; charset="us-ascii"
Here's what I'm wondering.
Is the fuel pump energized by the ECU supplying ground to it, to energize it
? ( like waterboxer vanagons have, and like subaru's have ) .
If so, temporarily supply your own ground to make the fuel pump run,
Then see if the engine starts.
OR....just hot wire the fuel pump temporarily and see if the engine then
runs.
But as long as the ECU is supplying ground to energize the fp relay, the
other contacts sure should not be hard to figure out or get right.
'3/86' and the '2' don't make sense to me.
The J16 relay looks like a regular 4 contact relay to me, with nothing
mysterious about it.
Are you resisting moving to the next step ?
Any time I think it's fuel pump control that's keeping something from
running, I just jumper the relay or hot wire the fuel pump to get things
running, and it all is fine that way, then there's only one thing to work
on, fuel pump control.
It the power supply to your fp relay correct ?
Scott
-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
neil N
Sent: Wednesday, April 16, 2008 12:51 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Jetta Power Supply relay questions (Vanagon conversion) PIC of
wiring diagram.
Hi all.
I still have a no start on my conversion, so am double checking the
wiring to added relays for Jetta ABA OBD1 into my Vanagon.
In this image from Bentley (Jetta):
http://tubaneil.googlepages.com/jettafinal1.jpg/jettafinal1-full;init:.jpg
there are two connections " 3/86 " and " 2 " near relay, that I'm curious
about.
2 appears to connect with "malfunction" light on dash.
+ from ignition switch (15) goes to 3/86, but 86A is negative from
ECU. There is only an 86 on relay.
I would think that they don't shard the connection!
And..... it appears that 30 is supplying + to 85 of relay internally,
so why would there be a need for "keyed" + to relay?? Relay should be
"turned on" by negative from ECU.
I'm confused.
I guess the simple question is, as per the diagram, do 3/86 and 2
actually connect to the relay?
Thanks for any help!
Neil.
--
Neil Nicholson. 1981 Air Cooled Westfalia - "Jaco"
http://web.mac.com/tubaneil
http://tubaneil.googlepages.com/
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