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96 A4 2.8 auto: won't start (no spark) after trans change

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  #1  
Old 11-10-2010, 08:38 AM
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Default 96 A4 2.8 auto: won't start (no spark) after trans change

I replaced a bad transmission with a used one. Now car cranks, but won't start. Don't have spark.
Battery was disconnected for 2 weeks, but I was told there is no 'security gremlin' in my car that cuts the spark. Correct?

So it must be something else?

The areas where any 'action' took place where:
- remove exhaust
- remove all four O2 sensors
- remove trans (2 electrical connectors)
- remove starter and starter wires, plus wire to alternator (reconnected the blue one to the alternator, not sure if right).
- remove front bumper
- remove radiator (coolant leaked into trans and destroyed it)
- remove on driver side in engine bay:
+ coolant reservoir
+ valve cover, disconnect breather hose, disconnect cam sensor connector (which has a loose/broken base where it slides/mounts to the head, but wires seem ok, see photo below)
+ O2 sensor connector
- remove no passenger side in engine bay:
+ air box
+ all connector to air box
+ O2 sensor connector

Note: The shifter cable is currently not yet adjusted. Moving the shifter through the positions, the starter kicks in when the display shows neutral N, but the shift lever is physically in revers R position (and I cannot physically get it far enough forward to get the display position park P (when physically in P, the display shows reverse R, and starter won't work).

Showing "N" on the display ("R" physically), there is a very audible 'click' when applying the brakes (I'm sure this is a lockout relay/pin that prevents the shifter lever to be moved if brakes are not applied).

I connected an OBDII reader, but doesn't show anything.

The trip odometer display shows Ln2 or In2, not sure if it means anything.
Temp, Oil, Gas warning light come on when turning ignition on (bulb check).

I have to check again, but I think I did NOT see the MIL light (in the RPM gauge) come on when the ignition is on.

Please send ANY suggestions, comments, ideas how and where to check and troubleshoot.

Here is the starter and alternator wires:


Here is the driver side cam sensor (rear top of cylinder head:

 
  #2  
Old 11-10-2010, 09:06 AM
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I have not checked or filled the transmission fluid (don't know how; see separate post here). It was taken out of the car by the salvage yard I got it from, with fluid in; but certainly lost fluid (can't say how much).
Could THAT prevent the engine from starting, and cut spark?
 
  #3  
Old 11-10-2010, 07:23 PM
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Default Desaster strikes? CJP trans installed, old was DRN

I fiddled around a bit more (still waiting for my fellow forum cohorts to chime in), adjusted the shift linkage bracket (now P on the display is P on the shifter, etc.).

Also broke loose the filler plug (gigantic Allen wrench, don't know what size, borrowed from my trusted local trans shop), using plenty of PB Blaster and 4 ft steel pipe as wrench extension.

Then snapped a photo from the area where the cats are (since it looks as if there is supposed to be some sort of bracket, but not on my car).

With the photo in my hand, I thought I take pics of the labels of the old transmission housing and the new/used trans.

And then it hit me:

The old unit says: 5HP-19 DRN.
DRN? Can't be. Every list/directory I looked up what new transmission I need for the 1996 A4 2.8 quattro auto says CJP.

I went to the used trans I bought (from a 1997 A4 2.8 quattro auto), and the same label says: CJP

I REPLACED A DRN TRANSMISSION WITH A CJP TRANSMISSION.

I rechecked the parts list/search engine I used before starting to look for a used trans, and they indeed only list for my 1996 A4 2.8:
- CXW for manual quattro
- CWZ for manual non quattro
- CJP for auto quattro
- DCS for auto non quattro
- CJY for auto non quattro

WHAT THE F... IS GOING ON HERE?

Is my car NOT a 1996?
VIN:WAUEA88D0TA209419

Is it possible that the 1996 A4 2.8 quattro auto come with other than CJP transmission (here: DRN)?

Was the original transmission may be changed already (from a CJP to a DRN)?

No matter if/why/what: is there a fix to remedy the issue?

It seem very likely that the CJP trans now installed may not jive well with the ECU, and that is why I don't get a MIL light when turning ignition on (it is supposed to show up, then disappear when engine is running), and the engine only cranking but no spark?

What can I do now?
 

Last edited by vtraudt; 11-10-2010 at 07:32 PM.
  #4  
Old 11-11-2010, 07:22 AM
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Default Is trans replacement (CJP vs. previous DRN) responsible?

As a start, here the basic question to the 'no start, no spark, no MIL' situation:

Can the different transmission code (I installed CJP (which according to my info is the correct one for 96 A4 2.8 quattro)but the previously installed one was DRN) be responsible for the no start situation?

Or is the problem in the engine?
 
  #5  
Old 11-13-2010, 05:59 PM
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I connected the VAGcom today.
Here is the log (below). Does anything there point to a reason why the engine won't start, no spark?

Saturday,13,November,2010,12:48:53:22662
VCDS Version: Release 10.6.1
Data version: 20100831



--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


Chassis Type: 8D - Audi A4 B5
Scan: 01 02 03 08 15 16 17 25 35 37 45 55 56 57 67 75 76 77

Mileage: 211470km/131401miles
-------------------------------------------------------------------------------
Address 01: Engine Labels: None
Part No: 8D0 906 266 B
Component: 2,8l V6/2V MPI OBD2 D01
Coding: 01251
Shop #: WSC 06325
VCID: 2B5BF371F377

No fault code found.
Readiness: N/A

-------------------------------------------------------------------------------
Address 02: Auto Trans Labels: 01V-927-156.lbl
Part No: 8D0 927 156 J
Component: AG5 01V 2.8l2V US D89
Coding: 00000
Shop #: WSC 00000
VCID: 3469E80D2E49

1 Fault Found:
00526 - Brake Light Switch-F
27-00 - Implausible Signal

-------------------------------------------------------------------------------
Address 03: ABS Brakes Labels: 4D0-907-379-ABS.lbl
Part No: 4D0 907 379 J
Component: ABS/EDS BOSCH 5 7679
Shop #: BB 37679
VCID: 356FD5092533

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC Labels: 8L0-820-043-2D.lbl
Part No: 8L0 820 043 D
Component: A4 KLIMAVOLLAUTOMAT_D75
Coding: 04162
Shop #: WSC 06325
VCID: 29570979F98B

8 Faults Found:
00779 - Outside Air Temp Sensor (G17)
30-10 - Open or Short to Plus - Intermittent
01271 - Positioning Motor for Temperature Flap (V68)
41-10 - Blocked or No Voltage - Intermittent
01274 - Air Flow Flap Positioning Motor (V71)
41-10 - Blocked or No Voltage - Intermittent
00792 - A/C Pressure Switch (F129)
31-00 - Open or Short to Ground
01297 - Sensor for Vent Temperature; Footwell (G192)
30-00 - Open or Short to Plus
01296 - Sensor for Vent Temperature; Center (G191)
30-00 - Open or Short to Plus
01206 - Signal for Duration of Ignition Off Time
27-10 - Implausible Signal - Intermittent
01582 - Signal for Coolant Temperature
30-00 - Open or Short to Plus

-------------------------------------------------------------------------------
Address 15: Airbags Labels: 8A0-959-655.lbl
Part No: 8A0 959 655 D
Component: Airbag V AUDI D00
Coding: 00127
Shop #: WSC 06334
VCID: 3469E80D2E49

4 Faults Found:
65535 - Internal Control Module Memory Error
00-10 - - - Intermittent
00532 - Supply Voltage B+
07-10 - Signal too Low - Intermittent
00588 - Airbag Igniter; Driver Side (N95)
32-10 - Resistance too High - Intermittent
01025 - Trigger for On Board Diagnostic Lamp; Malfunction
31-10 - Open or Short to Ground - Intermittent

-------------------------------------------------------------------------------
Address 17: Instruments Labels: 8D0-919-0xx-17.lbl
Part No: 8D0 919 035 G
Component: B5-KOMBIINSTRUMENT D08
Coding: 00262
Shop #: WSC 02032
VCID: 2E5DFA65C065

No fault code found.

End ---------------------------------------------------------------------
 
  #6  
Old 11-17-2010, 09:31 AM
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Default Anti Theft cut spark, no MIL ??

Still desperately troubleshooting the crank but no spark, no MIL issue.
Since I had disconnected the battery for several weeks, is it possible that an Anti Theft can do that?
Does a 1996 A4 2.8 quattro auto AFC have Anti Theft?
Could any fuses cause the crank but no spark, no MIL (when ignition on) condition?

I have checked crank position and cam sensor, several grounds, looked for pinched (during trans install) wires.
 
  #7  
Old 11-17-2010, 05:13 PM
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Codes after delete codes, disconnect battery (few min only).

VCDS Version: Release 10.6.1
Data version: 20100831

Wednesday,17,November,2010,17:10:15:22662

Chassis Type: 8D - Audi A4 B5
Scan: 01 02 03 08 15 16 17 25 35 37 45 55 56 57 67 75 76 77

Mileage: 211470km/131401miles
-------------------------------------------------------------------------------
Address 01: Engine Labels: None
Part No: 8D0 906 266 B
Component: 2,8l V6/2V MPI OBD2 D01
Coding: 01251
Shop #: WSC 06325
VCID: 2B5BF371F377

No fault code found.
Readiness: N/A

-------------------------------------------------------------------------------
Address 02: Auto Trans Labels: 01V-927-156.lbl
Part No: 8D0 927 156 J
Component: AG5 01V 2.8l2V US D89
Coding: 00000
Shop #: WSC 00000
VCID: 3469E80D2E49

1 Fault Found:
00526 - Brake Light Switch-F
27-00 - Implausible Signal

-------------------------------------------------------------------------------
Address 03: ABS Brakes Labels: 4D0-907-379-ABS.lbl
Part No: 4D0 907 379 J
Component: ABS/EDS BOSCH 5 7679
Shop #: BB 37679
VCID: 356FD5092533

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC Labels: 8L0-820-043-2D.lbl
Part No: 8L0 820 043 D
Component: A4 KLIMAVOLLAUTOMAT_D75
Coding: 04162
Shop #: WSC 06325
VCID: 29570979F98B

4 Faults Found:
01297 - Sensor for Vent Temperature; Footwell (G192)
30-00 - Open or Short to Plus
01296 - Sensor for Vent Temperature; Center (G191)
30-00 - Open or Short to Plus
01206 - Signal for Duration of Ignition Off Time
27-10 - Implausible Signal - Intermittent
01582 - Signal for Coolant Temperature
30-00 - Open or Short to Plus

-------------------------------------------------------------------------------
Address 15: Airbags Labels: 8A0-959-655.lbl
Part No: 8A0 959 655 D
Component: Airbag V AUDI D00
Coding: 00127
Shop #: WSC 06334
VCID: 3469E80D2E49

4 Faults Found:
65535 - Internal Control Module Memory Error
00-10 - - - Intermittent
00532 - Supply Voltage B+
07-10 - Signal too Low - Intermittent
00588 - Airbag Igniter; Driver Side (N95)
32-10 - Resistance too High - Intermittent
01025 - Trigger for On Board Diagnostic Lamp; Malfunction
31-10 - Open or Short to Ground - Intermittent

-------------------------------------------------------------------------------
Address 17: Instruments Labels: 8D0-919-0xx-17.lbl
Part No: 8D0 919 035 G
Component: B5-KOMBIINSTRUMENT D08
Coding: 00262
Shop #: WSC 02032
VCID: 2E5DFA65C065

No fault code found.

End ---------------------------------------------------------------------
 
  #8  
Old 11-17-2010, 05:21 PM
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RPM log (ignition on, gas pedal pressed/depressed):

image of excel:
http://i853.photobucket.com/albums/a...00-002-003.jpg

Wednesday 17 November 2010 16:43:13:22662 VCDS Version: Release 10.6.1 Data version: 20100831
8D0 906 266 B 2.8l V6/2V MPI OBD2 D01

Group A: '000 Group B: '002 Group C: '003
Voltage Voltage Voltage Bin. Bits RPM Load Load Speed
TIME TIME TIME
Marker STAMP STAMP V V V STAMP /min % % km/h
0.4 0 0 0 0 0 128 84 128 0 110 0.87 1.3 0.315 0 0 0.01 475 32.9 53.9 84
1.75 0 0 0 0 0 128 84 128 0 110 2.21 1.3 0.315 0 0 1.33 475 32.9 53.9 84
3.07 0 0 0 0 0 128 84 128 0 110 3.55 1.3 0.315 0 0 2.67 475 32.9 53.9 84
4.43 0 0 0 0 0 128 84 128 0 110 4.89 1.3 0.315 0 0 4.03 475 32.9 53.9 84
5.76 0 0 80 0 0 128 68 128 0 110 6.23 1.3 0.315 0 0 5.36 4850 106.3 53.9 68
7.1 0 0 0 0 0 128 68 128 0 110 7.57 1.3 0.315 0 0 6.7 2775 106.3 53.9 68
8.45 0 0 0 0 0 128 84 128 0 110 8.91 1.3 0.315 0 0 8.04 475 32.9 53.9 84
9.82 0 0 201 0 0 128 68 128 0 110 10.28 1.3 0.315 0 0 9.4 5700 106.3 53.9 68
11.13 0 0 201 0 0 128 68 128 0 110 11.61 1.3 0.315 0 0 10.74 5700 106.3 53.9 68
12.48 0 0 201 0 0 128 68 128 0 110 12.94 1.3 0.315 0 0 12.07 5700 106.3 53.9 68
13.8 0 0 49 0 0 128 68 128 0 110 14.27 1.3 0.315 0 0 13.4 3700 106.3 53.9 68
15.15 0 0 0 0 0 128 84 128 0 110 15.61 1.3 0.315 0 0 14.74 500 32.9 53.9 84
16.49 0 0 0 0 0 128 84 128 0 110 16.95 1.3 0.315 0 0 16.08 475 32.9 53.9 84
17.83 0 0 117 0 0 128 68 128 0 110 18.3 1.3 0.315 0 0 17.42 1575 106.3 53.9 68
19.17 0 0 0 0 0 128 68 128 0 110 19.64 1.3 0.315 0 0 18.77 5700 106.3 53.9 68
20.51 0 0 0 0 0 128 84 128 0 110 20.98 1.3 0.315 0 0 20.1 475 32.9 53.9 84
21.85 0 0 0 0 0 128 84 128 0 110 22.32 1.3 0.315 0 0 21.44 475 32.9 53.9 84
23.2 0 0 0 0 0 128 84 128 0 110 23.66 1.3 0.315 0 0 22.79 475 32.9 53.9 84
24.53 0 0 0 0 0 128 84 128 0 110 25 1.3 0.315 0 0 24.12 475 32.9 53.9 84
25.88 0 0 0 0 0 128 84 128 0 110 26.34 1.3 0.32 0 0 25.46 500 32.9 53.9 84
27.21 0 0 0 0 0 128 84 128 0 110 27.68 1.3 0.315 0 0 26.82 475 32.9 53.9 84
28.56 0 0 0 0 0 128 84 128 0 110 29.02 1.3 0.32 0 0 28.16 475 32.9 53.9 84
29.9 0 0 0 0 0 128 84 128 0 110 30.38 1.3 0.315 0 0 29.5 475 32.9 53.9 84
31.24 0 0 0 0 0 128 84 128 0 110 31.71 1.3 0.315 0 0 30.84 475 32.9 53.9 84
32.59 0 0 0 0 0 128 84 128 0 110 33.06 1.3 0.315 0 0 32.18 475 32.9 53.9 84
33.93 0 0 0 0 0 128 84 128 0 110 34.4 1.3 0.315 0 0 33.52 475 32.9 53.9 84
35.27 0 0 0 0 0 128 84 128 0 110 35.74 1.3 0.315 0 0 34.87 475 32.9 53.9 84
36.61 0 0 0 0 0 128 84 128 0 110 37.09 1.3 0.315 0 0 36.21 475 32.9 53.9 84
37.98 0 0 0 0 0 128 84 128 0 110 38.45 1.3 0.315 0 0 37.57 475 32.9 53.9 84
39.32 0 0 0 0 0 128 84 128 0 110 39.79 1.3 0.39 0 0 38.92 475 33.3 53.9 84
40.66 0 0 0 0 0 128 84 128 0 110 41.13 1.3 0.68 0 0 40.26 475 32.9 53.9 84
42 0 0 0 0 0 128 84 128 0 110 42.47 1.3 0.7 0 0 41.6 475 32.9 53.9 84
43.34 0 0 0 0 0 128 84 128 0 110 43.83 1.3 0.68 0 0 42.94 475 32.9 53.9 84
44.71 0 0 0 0 0 128 84 128 0 110 45.18 1.3 0.375 0 0 44.29 475 32.9 53.9 84
46.05 0 0 0 0 0 128 84 128 0 110 46.52 1.3 0.355 0 0 45.64 475 32.9 53.9 84
47.38 0 0 0 0 0 128 84 128 0 110 47.84 1.3 0.335 0 0 46.98 475 32.9 53.9 84
 

Last edited by vtraudt; 11-17-2010 at 07:38 PM. Reason: uploa
  #9  
Old 11-17-2010, 05:55 PM
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Posts: 1,047
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The HVAC and air bag codes *shouldnt* prevent a no spark.

B5s never had any kind of immobilizer

MIL off makes me think fuse personally
 
  #10  
Old 11-18-2010, 08:48 AM
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Default Brake Light Switch fault 00526

Since it seems to be coming back, and I remain totally in the dark (no spark), I may want to check on this error (who knows).

Any suggestions how to tackle it?
Where is this switch located?
Wires from/to?
Connectors?


Address 02: Auto Trans Labels: 01V-927-156.lbl
Part No: 8D0 927 156 J
Component: AG5 01V 2.8l2V US D89
Coding: 00000
Shop #: WSC 00000
VCID: 3469E80D2E49

1 Fault Found:
00526 - Brake Light Switch-F
27-00 - Implausible Signal
 


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