Hello! Log in or Register   |  Help  |  Donate  |  Buy Shirts See all banner ads | Advertise on TheSamba.com  
TheSamba.com
 
Fuel Injection Diagrams Collection FAQ
Page: 1, 2  Next
Forum Index -> Bay Window Bus Share: Facebook Twitter
Reply to topic
Print View
Quick sort: Show newest posts on top | Show oldest posts on top View previous topic :: View next topic  
Author Message
Mal evolent
Samba Member


Joined: March 31, 2009
Posts: 2912
Location: San Antonio, Nuevo Mexico
Mal evolent is offline 

PostPosted: Sat May 26, 2012 9:51 am    Post subject: Fuel Injection Diagrams Collection FAQ Reply with quote

To link to this thread copy and paste
Code:
[url=https://www.thesamba.com/vw/forum/viewtopic.php?t=513607&start=0&postdays=0&postorder=asc&highlight=]Fuel Injection Diagrams Collection FAQ[/url]


1978 FI System:
Image may have been reduced in size. Click image to view fullscreen.


FI Wiring simplified:
Image may have been reduced in size. Click image to view fullscreen.


AFM (air flow meter)
7 pin AFM
Image may have been reduced in size. Click image to view fullscreen.


From AMSkeptics Double Relay Tutorial

Double Relay simplified
Image may have been reduced in size. Click image to view fullscreen.


Double Relay Ignition on, engine off:
Image may have been reduced in size. Click image to view fullscreen.


Double Relay Start:
Image may have been reduced in size. Click image to view fullscreen.


Double Relay Run:
Image may have been reduced in size. Click image to view fullscreen.


Double Relay Wire Colors:
Image may have been reduced in size. Click image to view fullscreen.


Double Relay Plugs:
Image may have been reduced in size. Click image to view fullscreen.


Image may have been reduced in size. Click image to view fullscreen.


White wire is a bonus wire found on a 79 Calif?
Image may have been reduced in size. Click image to view fullscreen.


The Fuel Flow

Image may have been reduced in size. Click image to view fullscreen.


Injector Leak Down Test
Image may have been reduced in size. Click image to view fullscreen.


______________________________________________________________________________________________________________________

--VACUUM HOSE DIAGRAMS

Vacuum Hoses 73-74 Carbureted
Image may have been reduced in size. Click image to view fullscreen.

Image may have been reduced in size. Click image to view fullscreen.

Image may have been reduced in size. Click image to view fullscreen.


Vacuum Hoses 75
DVDA
Image may have been reduced in size. Click image to view fullscreen.

SVDA
Image may have been reduced in size. Click image to view fullscreen.


Vacuum Hoses to 76 1/2
Image may have been reduced in size. Click image to view fullscreen.

Vacuum Hoses to 76 1/2 with EGR
Image may have been reduced in size. Click image to view fullscreen.


Vacuum hoses 76 1/2 to 79 Federal:
Image may have been reduced in size. Click image to view fullscreen.


Vacuum hose 75-76.5 and 79 CA models DVDA
Image may have been reduced in size. Click image to view fullscreen.





From RATWells vacuum hose page
Vacuum Hoses 1
Image may have been reduced in size. Click image to view fullscreen.


Vapor Hoses Overview

Image may have been reduced in size. Click image to view fullscreen.


Vapor hoses T:
Image may have been reduced in size. Click image to view fullscreen.


Aux Air regulator:
Image may have been reduced in size. Click image to view fullscreen.


vapor hoses to carbon canister:
Image may have been reduced in size. Click image to view fullscreen.


Pressure Regulator:
Image may have been reduced in size. Click image to view fullscreen.


SVDA:
Image may have been reduced in size. Click image to view fullscreen.


Breather and Decel valve:
Image may have been reduced in size. Click image to view fullscreen.


ECU CONTROL UNIT BLOCK DIAGRAM:
https://www.thesamba.com/vw/forum/viewtopic.php?p=8575116#8575116
"The Bosch L-Jetronic Technical Instruction manual has a really good overview on that. You can find it as a PDF online and read pages 16 and 17 for more info, but it all boils down to this diagram and the fact that a basic injector time is calculated and then corrected by a given factor that is a combination of the engine condition read from the sensors."
http://www.cardiagnostics.be/-now/Educational_site...Manual.pdf
Image may have been reduced in size. Click image to view fullscreen.

Image may have been reduced in size. Click image to view fullscreen.


"The best block diagram of an L-Jetronic ECU I've found does not come from Bosch, but from a 1977 Datsun 280Z manual. It's for 6 cylinders, but the logic is exactly the same (just think 4 cylinders and engine temp instead): "
Image may have been reduced in size. Click image to view fullscreen.

_________________
73 Beetle Baja, Ghia front brakes, Type 3 rear brakes, 2220 ( 94 X 80 ), Weber Progressive, Bosch SVDA, '97 Mustang seats

Baja Bugs for Volkswagen Virgins: Index


Last edited by Mal evolent on Mon May 28, 2012 5:56 pm; edited 1 time in total
Back to top
View user's profile Send private message Gallery Classifieds Feedback
Collie
Samba Member


Joined: April 03, 2006
Posts: 1285
Location: Virginia
Collie is offline 

PostPosted: Sat May 26, 2012 9:53 am    Post subject: Reply with quote

Now THATS a sticky candidate right there!! Applause
Back to top
View user's profile Send private message Visit poster's website Gallery Classifieds Feedback
Air_Cooled_Nut
Samba Member


Joined: March 27, 2004
Posts: 3040
Location: Portland, Oregon
Air_Cooled_Nut is offline 

PostPosted: Sat May 26, 2012 10:24 pm    Post subject: Reply with quote

As always, AWESOME work! Applause
_________________
Toby http://www.aircoolednut.com/
Did I mention that I'm an original Darksider?
'72 VW Squareback, 2007cc, GB 5-speed, rag top; '76 VW Riviera Penthouse Sundowner 2.0L; 2015 Audi S5 Cabby w/Stage II APR; '06 Ducati Sport Classic 1000; '14 Ducati Diavel Strada
The First Invasion
Back to top
View user's profile Send private message Send e-mail Visit poster's website Gallery Classifieds Feedback
timo78
Samba Member


Joined: July 03, 2009
Posts: 931
Location: Overcast and Loving it
timo78 is offline 

PostPosted: Sun May 27, 2012 9:06 am    Post subject: Reply with quote

Nice collection, thank you for compiling these together.
_________________
Green Bay Bus > 78Grµn Westfalia `Donkey`
.
It may be bigger than you and it may be bigger than me, but it’s not bigger than you AND me; can you dig it?
Back to top
View user's profile Send private message Gallery Classifieds Feedback
curtis4085
Samba Member


Joined: July 22, 2011
Posts: 4806
Location: Colorado
curtis4085 is offline 

PostPosted: Sun May 27, 2012 9:39 am    Post subject: Reply with quote

Great work gathering the info. One suggestion would be to post the key as well so others can know what the letters mean.
_________________
Special Thanks to:
Headflow Masters - Vista, CA
www.headflowmasters.com
Back to top
View user's profile Send private message Gallery Classifieds Feedback
onion456
Samba Member


Joined: September 09, 2006
Posts: 674
Location: Houston, TX
onion456 is offline 

PostPosted: Sun May 27, 2012 5:18 pm    Post subject: Reply with quote

found this one in the gallery thought it was cool...
Image may have been reduced in size. Click image to view fullscreen.


i have some stuff on my other computer too ill try n dig it up.
_________________
'76 Sage Green Westy 2.0 FI
'76 Creamsicle 7-passenger 2.0 CS FI
'85 Tan Westy
Back to top
View user's profile Send private message AIM Address Gallery Classifieds Feedback
Wildthings
Samba Member


Joined: March 13, 2005
Posts: 50255

Wildthings is offline 

PostPosted: Sun May 27, 2012 6:09 pm    Post subject: Reply with quote

onion456 wrote:
found this one in the gallery thought it was cool...


Looks like D-jet and not L-jet. Crying or Very sad
Back to top
View user's profile Send private message Gallery Classifieds Feedback
Wildthings
Samba Member


Joined: March 13, 2005
Posts: 50255

Wildthings is offline 

PostPosted: Sun May 27, 2012 6:16 pm    Post subject: Reply with quote

I find the schematic for the FI shown in the standard current track diagram to be the most helpful. Just separating out the FI part of the standard drawing would be quite helpful.

Another thing that would be great to have would be a trouble shooting chart similar to what the Vanagon Bentley has. It takes almost no thought to use the Vanagon chart, whereas using the info in the Bay Window Bentley can be trying.
Back to top
View user's profile Send private message Gallery Classifieds Feedback
onion456
Samba Member


Joined: September 09, 2006
Posts: 674
Location: Houston, TX
onion456 is offline 

PostPosted: Sun May 27, 2012 6:44 pm    Post subject: Reply with quote

Quote:
onion456 wrote:
found this one in the gallery thought it was cool...

Looks like D-jet and not L-jet.

dang, wasnt sure bout that air cleaner =)

heres a few more, probably raped from ratwells, ive found em useful.

Image may have been reduced in size. Click image to view fullscreen.

85 - Ground
86 - Thermo time switch and ECU pin 4
86a - Starter
86b - AFM harness connector #36
86c - Terminal 15 of ignition coil (+12v)
88a - AFM harness connector #39
88b - Series resistors and ECU pin 10
88c - Aux air regulator
88d - Fuel Pump
88y - Battery +12v
88z - Battery +12v

Image may have been reduced in size. Click image to view fullscreen.


Image may have been reduced in size. Click image to view fullscreen.


Image may have been reduced in size. Click image to view fullscreen.


Image may have been reduced in size. Click image to view fullscreen.

_________________
'76 Sage Green Westy 2.0 FI
'76 Creamsicle 7-passenger 2.0 CS FI
'85 Tan Westy
Back to top
View user's profile Send private message AIM Address Gallery Classifieds Feedback
SGKent Premium Member
Samba Member


Joined: October 30, 2007
Posts: 41031
Location: Citrus Heights CA (Near Sacramento)
SGKent is offline 

PostPosted: Sun May 27, 2012 11:59 pm    Post subject: Reply with quote

really nice but too bad you didn't post it in the FI sticky so everyone can find it 2 years from now.
_________________
“Most people don’t know what they’re doing, and a lot of them are really good at it.” - George Carlin
Back to top
View user's profile Send private message Send e-mail Gallery Classifieds Feedback
Tcash
Samba Member


Joined: July 20, 2011
Posts: 12844
Location: San Jose, California, USA
Tcash is offline 

PostPosted: Mon Oct 14, 2013 8:29 pm    Post subject: ECM diagram, schematic, pin out Reply with quote

Image may have been reduced in size. Click image to view fullscreen.

78 Calif. ECU Schematic/thanks ratwell
Image may have been reduced in size. Click image to view fullscreen.

Image may have been reduced in size. Click image to view fullscreen.

Image may have been reduced in size. Click image to view fullscreen.
Image may have been reduced in size. Click image to view fullscreen.


Last edited by Tcash on Thu Jul 07, 2016 4:32 pm; edited 2 times in total
Back to top
View user's profile Send private message Gallery Classifieds Feedback
ser123ser
Samba Member


Joined: February 03, 2008
Posts: 148
Location: PERRIS CA
ser123ser is offline 

PostPosted: Thu Nov 21, 2013 8:07 pm    Post subject: Reply with quote

OMG".......
I have seen a lot of this back in 2011 when I built my motor and fi system, just Ina lot of different places. Now it is all in one place.

Outstanding "..........
Back to top
View user's profile Send private message Gallery Classifieds Feedback
74Pepper
Samba Member


Joined: March 26, 2007
Posts: 719
Location: Dallas, TX
74Pepper is offline 

PostPosted: Tue Jan 21, 2014 4:38 pm    Post subject: Reply with quote

I think I just wet myself....I was hearing angels and harps flipping through these images! Converting back to FI from scrounged parts just got that much easier!

Thank you, thank you, THANK YOU! Very Happy
_________________
'66 Beetle, in restoration
'74 Ghia, in restoration
'77 Westfalia Campmobile - Dangit - rear-ended! Now has primer-butt!
Per Gary, A.K.A. "Purple dress girl")
Back to top
View user's profile Send private message Gallery Classifieds Feedback
russwiththebus
Samba Member


Joined: September 25, 2007
Posts: 930
Location: Chattanooga, TN
russwiththebus is offline 

PostPosted: Tue Jan 21, 2014 7:31 pm    Post subject: Reply with quote

I love it! Some I've seen, some I hadn't. Nice to have them all in one place!
Back to top
View user's profile Send private message Send e-mail Visit poster's website Twitter Instagram Gallery Classifieds Feedback
Tcash
Samba Member


Joined: July 20, 2011
Posts: 12844
Location: San Jose, California, USA
Tcash is offline 

PostPosted: Thu Mar 13, 2014 10:09 am    Post subject: FI Daigrams Reply with quote

Image may have been reduced in size. Click image to view fullscreen.


Image may have been reduced in size. Click image to view fullscreen.
Back to top
View user's profile Send private message Gallery Classifieds Feedback
HerrMahnenschmidt
Samba Member


Joined: July 22, 2011
Posts: 94
Location: WY, NoCO, NoCA, here, there, elsewhere...
HerrMahnenschmidt is offline 

PostPosted: Fri Jun 20, 2014 8:32 am    Post subject: Reply with quote

Would it be unseemly to say -- I love you all? This thread is so beautiful I have to choke back the tears...
_________________
1977 Westfalia --
- rebuilt stock-spec 2.0l FI engine; 002 tranny w/stock gearing with 215mm flywheel/clutch/pp
Back to top
View user's profile Send private message Gallery Classifieds Feedback
Tcash
Samba Member


Joined: July 20, 2011
Posts: 12844
Location: San Jose, California, USA
Tcash is offline 

PostPosted: Sun Dec 07, 2014 3:36 pm    Post subject: Reply with quote

73 Vacuum hose diagram
Image may have been reduced in size. Click image to view fullscreen.


Last edited by Tcash on Sun Dec 21, 2014 8:51 am; edited 2 times in total
Back to top
View user's profile Send private message Gallery Classifieds Feedback
Wildthings
Samba Member


Joined: March 13, 2005
Posts: 50255

Wildthings is offline 

PostPosted: Sun Dec 07, 2014 6:16 pm    Post subject: Reply with quote

Shouldn't the one hose to the charcoal canister tie into the fan shroud and not the air cleaner?
Back to top
View user's profile Send private message Gallery Classifieds Feedback
Tcash
Samba Member


Joined: July 20, 2011
Posts: 12844
Location: San Jose, California, USA
Tcash is offline 

PostPosted: Sun Dec 21, 2014 8:52 am    Post subject: Reply with quote

Wildthings wrote:
Shouldn't the one hose to the charcoal canister tie into the fan shroud and not the air cleaner?


Thanks Wildthings. I deleted the diagram.
Tcash
Back to top
View user's profile Send private message Gallery Classifieds Feedback
Tcash
Samba Member


Joined: July 20, 2011
Posts: 12844
Location: San Jose, California, USA
Tcash is offline 

PostPosted: Sat Feb 07, 2015 11:44 am    Post subject: Early EGR Temperature Switch Reply with quote

In the fuel injection section. Temperature switch Prt# 022 131 519.

Image may have been reduced in size. Click image to view fullscreen.


Could not find a diagram with it.
I drew this one in. I would think it goes here, to not allow the EGR to operate when the engine is cold.
Image may have been reduced in size. Click image to view fullscreen.


Tcash


Last edited by Tcash on Thu May 12, 2016 4:54 pm; edited 1 time in total
Back to top
View user's profile Send private message Gallery Classifieds Feedback
Display posts from previous:   
Reply to topic    Forum Index -> Bay Window Bus All times are Mountain Standard Time/Pacific Daylight Savings Time
Page: 1, 2  Next
Page 1 of 2

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum

About | Help! | Advertise | Donate | Premium Membership | Privacy/Terms of Use | Contact Us | Site Map
Copyright © 1996-2023, Everett Barnes. All Rights Reserved.
Not affiliated with or sponsored by Volkswagen of America | Forum powered by phpBB
Links to eBay or other vendor sites may be affiliate links where the site receives compensation.