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TDI 101 Got a simple/basic TDI question? Are you a newbie (new to the forums). Feel free to post your question here.

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Old December 29th, 2007, 07:42   #16
whitedog
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I have already had a few suggestions, corrections and offers of help, so thank you to those kind folks.
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Old December 29th, 2007, 17:10   #17
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(It's OK to reply to this thread)
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Old December 29th, 2007, 17:16   #18
DanG144
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We are still trembling in fright and recovering from your first post.

Excellent project.
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Old December 29th, 2007, 17:58   #19
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Quote:
Originally Posted by whitedog
(It's OK to reply to this thread)
OK.

Good stuff here, thanks for the info. Hopefully now it'll get stickied so I can find it again.

Wolf
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Old December 29th, 2007, 18:50   #20
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Situation #2 The lift fuel pump will time out quickly if the engine does not start. So, either have your meter in place ready to go when a friend turns the key or jumper the fuel pump to turn it on.

For the B5.5 Passat, you can jumper the fuel pump by attaching a lead from the positive terminal of the battery to the right side of the fuel pump fuse socket (#28). Then place a screwdriver on the top of the fuel pump cap and listen to see if it is running.
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Last edited by owr084; December 29th, 2007 at 20:50.
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Old December 29th, 2007, 18:57   #21
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For the 2004/2005 Passats, the fuel supply lines have WHITE markings and are attached to the metal tubes on the filter. The fuel return lines BLUE markings and are attached to the fuel tee. Blue to white and white to blue will guarantee a no start condition This is most likely to happen while changing the fuel filter after a long day

Edit: Made info specific to Passat B5.5 Is it similar to other VW TDIs?
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Last edited by owr084; December 29th, 2007 at 20:49.
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Old December 30th, 2007, 19:18   #22
Geo-1
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Tim, just read your post after a long scout camping trip, I am tired but wanted to send you a few comments.

<2003 and >2004..
what about 2003? seems less than or equal or greater than or equal. the 2003 crew seems between the two.

Situation 1. under the glow plug symbol. "if no light you have a relay 109 problem" (or a dead battery).
Paragraph #3 same topic.. (recommendation, keep a spare 109)

Situation #2 second sentance uner photo of pump..How can pump run if no power?

Situation #4 Troubleshooting..Define NSC

Situation #5 clear fuel lines...Not all 03 Jettas have a clear fuel line (mine doesn't)

Will read in detail again after some rest. Eric.
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Old December 30th, 2007, 21:44   #23
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Quote:
Originally Posted by Geo-1
Tim, just read your post after a long scout camping trip, I am tired but wanted to send you a few comments.
Thanks for the advice, I'll make the changes needed.
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Last edited by whitedog; January 1st, 2008 at 09:43.
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Old December 31st, 2007, 19:31   #24
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Thank You whitedog for making it easier to trouble shoot a no start situation. I'm sure that many TDI'ers will be greatful. Keep up the good work
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Old January 2nd, 2008, 15:17   #25
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Default PD BEW head connection troubleshooting

Troubleshooting the T8 (8 pin connector on the left (port for you sailors) side of the engine head)
BEW engine specific data. (may apply to BRM).
(Remember the left side of the car is on the driver’s left when sitting in the seat.)
Only 5 of the 8 possible connectors are used, they are shown in wiring diagram 81/7 of my Bentley book.
The plug is the part that comes off of the head in your hand
– on the end of a pigtail of wires to the ECM.
The jack is the stationary part that stays on the engine head.
[IMG][/IMG]

The ECM does not detect that the plug is off until you try to start the engine, and then it throws this code:
18072 - Control Circuit for PD Injectors: Electrical Malfunction
P1664 - 000 - -
Freeze Frame:
RPM: 315 /min
Torque: 126.0 Nm
Speed: 0.0 km/h
Load: 0.0 %
Voltage: 11.02 V
Bin. Bits: 00101100
Temperature: 41.4°C
Bin. Bits: 01010000

Other VAG-COM information
Group 52 always reads zero, engine off, cranking, or running, T8 connected, or not connected. Seems worthless?
Group 13, engine off, key on reads 0.0 with T8 connected or not. Reads 0.0 cranking with T8 off.
Group 18, engine off key on reads 128 with T8 connected or not. See graph for cranking with T8 off.
Group 23 engine off key on reads 0.0 with T8 connected or not. Reads 0.0 cranking with T8 off.

Due to concerns about connector health I never tried to tape over or otherwise open a single injector’s current flow path.
If anyone is more assured of their skills and would open one conductor path for one injector (any pin but 7), and post the data here or PM me, then I will update this post.
Dan
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Old January 2nd, 2008, 20:22   #26
whitedog
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Quote:
Originally Posted by owr084
For the 2004/2005 Passats, the fuel supply lines have WHITE markings and are attached to the metal tubes on the filter. The fuel return lines BLUE markings and are attached to the fuel tee. Blue to white and white to blue will guarantee a no start condition This is most likely to happen while changing the fuel filter after a long day

Edit: Made info specific to Passat B5.5 Is it similar to other VW TDIs?
On my 2004 Jetta this holds true. I need to check the Beetle someday
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Old January 3rd, 2008, 02:44   #27
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OWR084 says "For the 2004/2005 Passats, the fuel supply lines have WHITE markings and are attached to the metal tubes on the filter. The fuel return lines BLUE markings and are attached to the fuel tee. Blue to white and white to blue will guarantee a no start condition This is most likely to happen while changing the fuel filter after a long day

Edit: Made info specific to Passat B5.5 Is it similar to other VW TDIs?"

Quote:
Originally Posted by whitedog
On my 2004 Jetta this holds true. I need to check the Beetle someday
And for the 2005 BEW models it is true, but it seems the markings may be wearing or fading off.
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Old January 3rd, 2008, 05:26   #28
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Quote:
Originally Posted by DanG144
And for the 2005 BEW models it is true, but it seems the markings may be wearing or fading off.
So, the easiest solution is to mark your hoses before taking them off the filter to prevent a no-start when you are done
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Old January 3rd, 2008, 20:54   #29
whitedog
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I still need some help filling in blanks I have in bold. I hope that someone can step in and give us a hand.
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Old January 4th, 2008, 13:19   #30
Groundhog1248
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Default Clicking sound from engine when trying to start

When I try and start the car I get flashing dash lights and a clicking sound coming from the engine. I'm guessing it's the starter gone bad but would like some opinions before having it towed to the VW shop. The car sat idle for approx 10 days before I tried to start it in temps ranging from 20-45 degree's. Started fine before this. Thanks
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