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> Djet Injection on late cars, 75-76
914work
post Dec 4 2011, 05:27 PM
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On the latest cars (late 75 & 76 2.0L) the Brain/harness came with an additional logic circuit plugged in to a connector near the MPS.
What was this for? (IMG:style_emoticons/default/idea.gif)
Would the car run w/o it? (IMG:style_emoticons/default/confused24.gif)
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914werke
post Dec 5 2011, 01:00 PM
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S&T manual ?

maybe this is a good opportunity, we should add pics of all the concerned elements, and move this thread to the CW & originality forum?
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JeffBowlsby
post Dec 5 2011, 02:11 PM
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QUOTE(rdauenhauer @ Dec 5 2011, 11:00 AM) *

S&T manual ?

maybe this is a good opportunity, we should add pics of all the concerned elements, and move this thread to the CW & originality forum?


Service and Training Manuals. Really good stuff, you should see all the info on the 914/6 and 73 2.0L. Here is a summary I wrote up a while ago...keep an eye out for them, they show up on ebay only rarely.

USA 914 Service and Training Manual Highlights

S&T manuals were supplied to dealerships presumably for tech and sales training purposes. They describe new model year features and upgrades and detailed information some of which is not found in other factory documentation. The manuals were published in several languages including English, German, Italian and French. In addition to subtle cosmetic and functional changes they describe:

1971 914/4 and 914/6
• 104 pages
• Manual describes both the 1970 ad 1971 model years
• General description of the 914s basic features
• Selected 914 prototype features
• Detailed engine specifications
• Detailed D-Jetronic fuel injection description
• Detailed Sportomatic transmission description
• Transaxle driveshaft adjustment specifications
• Limited slip differential
• Detailed suspension specifications, maintenance and adjustment requirements
• Detailed steering system specifications and maintenance and adjustment requirements
• Detailed brake system specifications, maintenance and adjustment requirements including brake force limiter
• A significant number of part numbers
• Detailed section drawings of manual and Sportomatic transaxles, rear brake caliper and brake force limiter.
• Cabin extractor duct system
• Electrical system specifications and wiring diagrams for 914/4 and 914/6
• Detailed engine tune-up procedures

1972 1.7L only
• 24 pages
• 6-digit model numbers
• Engine CO adjustment procedure with new adjustable ECU
• Positive crankcase ventilation (PCV) system
• Cabin heating and ventilation system
• Overrun air supply system (decel valve) and evaluation
• Engine intake air preheating system and evaluation
• Crankcase oil baffle plate and installation
• Revised engine intake vacuum hose routing
• Revised lubrication and maintenance schedule
• TPS evaluation and adjustment procedure

1973 1.7L and 2.0L
• 49 pages
• 6-digit model numbers
• Dimensional specifications of major new engine parts – Crankshaft, connecting rods, pistons, valves, valve seats, heads, intake manifold
• CO adjustment value for 2.0L engine
• Fuel injector pulse width graph
• 2.0L decel valve and auxiliary air valve function and hose drawing
• 2.0L PCV system function and hose drawing
• 2.0L engine distributor vacuum and centrifugal advance/retard curves
• Sideshift transmission improvements
• Sideshift transmission shift linkage adjustment procedure
• 2.0L clutch pressure plate specification
• Minor brake and suspension revision
• Wheel centering specifications
• Door window operator mechanism revision

1974 2.0L only
• 15 pages
• 6-digit model numbers
• Standard and Appearance Group specifications
• Seat belt warning system

1974 1.8L only
• 26 pages
• 6-digit model numbers
• AFC (L-Jetronic) fuel injection system and evaluation

1975 1.8L and 2.0L
• 21 pages
• 6-digit model numbers
• Modified exhaust system
• Catalytic converter (CA vehicles only)
• Exhaust gas recirculation (EGR) system (CA vehicles only)
• Air injection system (2.0L engines only)
• Fuel feed cutout system (2.0L engines only)
• Fuel pump revisions
• EGR/Catalytic converter service interval warning light system
• 5 mph bumper system
• Exhaust gas measuring procedure and values


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Posts in this topic
914werke   Djet Injection on late cars   Dec 4 2011, 05:27 PM
type47   any pix and do you know if it's as supplied by...   Dec 4 2011, 05:37 PM
914werke   sorry I should have been more clear, yes this is a...   Dec 4 2011, 05:42 PM
vsg914   Ive been driving a late djet car for many years. I...   Dec 4 2011, 05:42 PM
76-914   Me 3. The only connection's in that area are t...   Dec 4 2011, 06:00 PM
Jeff Bowlsby   That's a CA-only speed limiter circuit...detai...   Dec 4 2011, 06:21 PM
914werke   thanks Jeff :) Speed limiter? what, how does it ...   Dec 4 2011, 07:23 PM
Jeff Bowlsby   thanks Jeff :) Speed limiter? what, how does it...   Dec 4 2011, 08:28 PM
PancakePorsche   Speed control module limits rpm by shutting down i...   Dec 4 2011, 08:16 PM
Drums66   Speed control module limits rpm by shutting down ...   Dec 5 2011, 05:12 PM
rdauenhauer   I think he meant might you find that CA only harne...   Dec 5 2011, 12:43 AM
jcd914   I think he meant might you find that CA only harn...   Dec 5 2011, 01:35 AM
Dave_Darling   Possibly: 49 state cars used rev limiting rotors w...   Dec 5 2011, 06:57 PM
PancakePorsche   I believe that to be the case. ECU on these cars h...   Dec 5 2011, 01:58 AM
blitZ   I have a California 76 car and it had the silver b...   Dec 5 2011, 06:56 AM
Jeff Bowlsby   This circuit was actually a 1975 & 1976 'f...   Dec 5 2011, 10:47 AM
rdauenhauer   S&T manual ? maybe this is a good opportunity...   Dec 5 2011, 01:00 PM
Jeff Bowlsby   S&T manual ? maybe this is a good opportunit...   Dec 5 2011, 02:11 PM
r_towle   What is the engine speed limit? How does this work...   Dec 5 2011, 01:44 PM
Jeff Bowlsby   What is the engine speed limit? How does this wor...   Dec 5 2011, 02:07 PM
PancakePorsche   If I had to guess it shunts trigger point signal t...   Dec 5 2011, 07:31 PM
Jeff Bowlsby   Here is the circuit. It senses the trigger points...   Dec 5 2011, 07:33 PM


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