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  #1  
Old 11-11-2004, 01:00 PM
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E320 16 PIN DTC Charts inc. pin 8, pin 14

I had some trouble finding these all together in the archives, so here they are posted together. I have included the most common pins: emissions, ECU, and CC/ETA. Use in conjunction with the code reader built as described by Arthur Dalton.

Emissions - Using Built-in Diagnostic Module
1 No Fault Found
2 Heated oxygen sensor faulty
3 Lambda control faulty
4 Air injection system faulty hot film mass air flow sensor with hot wire
5 Exhaust gas recirculation faulty
6 Idle speed control faulty
7 Ignition system faulty
8 Engine coolant temperature sensor open circuit
9 Intake air temperature sensor, open circuit
10 Voltage at mass air sensor too high/low
11 Tn-signal (rpm signal ) at engine control module faulty
12 Heated oxygen sensor heater circuit open or circuit short
15 Injector, cylinder 2
16 Closed throttle position information faulty
17 Data exchange malfunction between individual control module
18 Adjustable camshaft timing solenoid circuit open or circuit short
19 Injectors circuit open or circuit short emission control module adaptation in engine
control module at limit
20 Vehicle speed signal not present
21 Purge switchover valve circuit open or circuit short
22 Crankshaft position sensor signal faulty
23 Intake manifold pressure (in base module pressure sensor-) with engine running too
high/low.
24 Starter ring gear segments and /or crankshaft position sensor faulty
25 Knock sensors or engine control module faulty
26 Upshift delay faulty
27 Not used
28 Engine coolant temperature sensor (engine coolant temperature change monitor )
44 Not used
45 Fuel safety shut-off electronic accelerator or cruise control active
46 Resonance intake manifold switchover valve
47 Not used
48 Not used
49 Voltage supply at engine control module 8v
50 Engine control module
_________

PIN 8 ECU
1 No fault found
2 Engine Coolant temperature sensor
3 Intake air temperature sensor
4 Hot film mass air flow sensor
5 CTP switch
6 Not used
7 Not used
8 Idle speed control (ISC) system at upper or lower control stop or CC or EA indicates "limp
home" mode.
9 O2S 1 (before TWC) - voltage too high, circuit open or voltage implausible
10 O2S 2 (after TWC)voltage too high, circuit open or voltage implausible
11 O2S 1 heater (before TWC) - Current too high/low or short circuit.
12 O2S 2 heater (after TWC) - Current too high/low or short circuit.
13 O2S (Lambda) control system operating at rich or lean limit
14 Injector, cylinder 1
15 Injector, cylinder 2
16 Injector, cylinder 3
17 Injector, cylinder 4
18 Injector, cylinder 5
19 Injector, cylinder 6
20 Self-adaptation at idle speed or upper/lower partial load at rich or lean limit
21 Ignition output 3 or ignition coil for cylinder 1 and 6
22 Ignition output 1 or ignition coil for cylinder 2 and 5 (Engine 111, cylinder 1 and 4)
23 Ignition output 2 or ignition coil for cylinder 3 and 4 (Engine 111, cylinder 2 and 3)
24 CKP sensor or magnet for position sensor not recognized
25 CMP sensor not recognized or implausible
26 Not used
27 TN-signal (rpm signal ) - open or short to ground
28 VSS - open circuit
29 Not used
30 Fuel pump relay module - open or short circuit
31 Not used
32 Knock sensors 1 and /or 2
33 Maximum retard setting on at least one cylinder has been reached or the ignition angle
deviation between the individual cylinders is greater than 6 degrees crankshaft angle
34 Knock control-output switch in engine control module faulty Momentary fault in
self-adaptation closed throttle speed/partial load
35 Model 124,129 and 140 AIR pump switchover valve and/or electromagnetic AIR pump
clutch. Model 202 AIR pump switchover valve and/or AIR relay module
36 Purge control valve - open/short to ground or B+
37 Upshift delay switchover valve
38 Adjustable camshaft timing solenoid - open/short to ground or B+
39 Exhaust gas recirculation switchover valve - open/short to ground or B+
40 Transmission overload protection switch - open/short to ground or B+ or open or closed or
implausible
41 CAN communication from engine control module faulty
42 CAN communication from ASR, EA/CC/ISC module or diagnostic module (OBD II) faulty
43 Starter signal (circuit 50) not present
44 Not used
45 Fuel safety shut-off of electronic accelerator or cruise control active
46 Resonance intake manifold switchover valve - open/short to ground or B+
48 O2S 2 (after TWC) heating circuit relay module - open/short to ground or B+
49 Voltage supply at engine control module implausible/low volts
50 Engine control module faulty or not coded.
____________

PIN 14 CC/ETA
1 No fault found
2 EA/CC/ISC control module (N4/1) or Safety contact switch (M16/1s1) or Stop lamp
switch or Cruise control switch or Actual value potentiometer or Starter lock-out/back-up
lamp switch or engine speed signal or vehicle speed signal or closed throttle position
switch or safety relay in EA/CC/ISC control module
3 Right EA/CC/ISC actuator (left cylinder bank) (M16/1)
4 Cruise control switch (S40)
5 Stop lamp switch (S9/1)
6 Starter lock-out/backup lamp switch
7 CAN data bus signal from EA/CC/ISC, ABS/ASR, HFM-SFI or LH-SFI (right or left)
control module faulty.
8 Left front axle vehicle speed sensor from ABS/ASR control module
9 Left rear axle vehicle speed sensor from ABS/ASR control module or in 124 chassis
Hall-effect speed sensor.
10 Engine speed signal (TN) from base module (LH-SFI) or engine control module (HFMSFI)
11 Closed throttle recognition signal to engine control module (HFM-SFI or Left LH-SFI)
Fuel safety shut-off to engine control module (HFM-SFI or left or right LH-SFI)
12 EA/CC/ISC control module voltage supply
13 Left EA/CC/ISC actuator (right cylinder bank) or actual value potentiometer (M16/4r1 or
M16/4r2) or actuator motor (M16/4m1)or magnetic clutch (M16/4k1).
14 Closed throttle position contact switch
15 CAN data exchange with ABS/ASR control module illogical
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  #2  
Old 11-11-2004, 03:04 PM
Ta ra ra boom de ay
 
Join Date: Jun 2004
Location: Pittsburgh
Posts: 1,915
Arthur Daltons code reader

http://members.aol.com/ajdalton7/ledtool.jpg
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-Marty

1986 300E 220,000 miles+ transmission impossible
(Now waiting under a bridge in order to become one)

Reading your M103 duty cycle:
http://www.peachparts.com/shopforum/831799-post13.html
http://www.peachparts.com/shopforum/831807-post14.html
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  #3  
Old 11-01-2006, 10:55 AM
I told you so!
 
Join Date: Jun 2002
Location: Motor City, MI
Posts: 2,791
Here's the same schematic, easier to read.

I used an empty film canister to hold everything together. Drill holes in the bottom of the can for the LED and switch. And drill a hole in the lid for the wire leads.

To read codes, plug black lead into Pin 1 (ground), plug red lead into Pin 16 (12v), plug test lead into Pin 8 or 14.

Turn ignition on, press switch 2-4 secs, and count the number of flashes. After reading that code, press 2-4 seconds to read the next code, and continue iterating until all codes are read. You'll know all codes are read when you read the first code again. One flash means there are no codes to read.

To clear the codes, you must first read the code, then within 10 secs, press the button 6-8 secs.
Attached Thumbnails
E320 16 PIN DTC Charts inc. pin 8, pin 14-e320-code-reader.jpg  
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Last edited by Kestas; 11-01-2006 at 11:11 AM.
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  #4  
Old 11-01-2006, 11:45 AM
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Location: Albuquerque, NM USA
Posts: 1,946
Is this for a W124 E320, a W210 E320, or a W211 E320?

M104 or M112?
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Albuquerque
'07 GL320CDI, '06 SLK350
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  #5  
Old 11-01-2006, 01:55 PM
I told you so!
 
Join Date: Jun 2002
Location: Motor City, MI
Posts: 2,791
This is for the 95 (and 94?) W124 E320 (M104). The others should all be OBD2 compliant (post-95), and thus only readable with a scanner.
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  #6  
Old 11-02-2006, 05:18 AM
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Location: France
Posts: 487
Is this also valid for a W124, 260E European car, 1988, with M103 engine ?
thanks
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Keep us posted especially if your problem is solved
Present cars:
My car: E-class 420CDI, 2008, W211, V8,[/B] 50 000km

Wife's one: C-class 220CDI Sport Coupé, Euro, 2002, W203. 245000km

Son's one: GLK class 220CDI, 2009, W204

Sold E class 260E, W124, 1988 beloved car sold after 489 000 kilometres of reliable services (engine M103, clutch and 5 speed manual gear box all original).
E-class, W210 320CDI, 2000[/B], 225 000km, Sold
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  #7  
Old 02-24-2007, 11:57 PM
I told you so!
 
Join Date: Jun 2002
Location: Motor City, MI
Posts: 2,791
Here's some additional info that should accompany this thread and code reading info. It's a 169 page pdf document that covers the codes for Mercedes models from 1988 to 1998. I guess I'm hoping this thread will evolve into a sticky or DIY link.

Edit: Go to the second post of the link below for the pdf attachment.

http://www.mbworld.org/forums/e-class-w124/323472-w124-fault-codes.html
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95 E320 Cabriolet, 140K

Last edited by Kestas; 11-01-2009 at 01:09 PM. Reason: old link died, new one supplied
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  #8  
Old 03-26-2007, 09:16 PM
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Join Date: Jan 2001
Location: Santa Clara, CA
Posts: 427
Oh, such a fun afternoon. I built the code reader and it wouldn't work. Tried switching components, still wouldn't work. Turned out that I had 2, yes TWO different, new, momentary switches that were both leaking a bit of voltage so the LED was always on no matter the switch position. Put a household toggle switch in the circuit and the code reader works like a charm. BTW, Radio Shack has a 12V LED in an assembly that is easier to use than the plain one. p/n 276-270A, $1.99
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  #9  
Old 05-13-2007, 04:49 PM
lebstyle
 
Join Date: May 2007
Posts: 135
hi i built that code reader to spec as was noted.
when i hook it up it the led turns on for a second then burns out, i tried it twice.
any ideas? thanks
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  #10  
Old 05-13-2007, 06:04 PM
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Location: Florida / N.H.
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Quote:
Originally Posted by lebstyle View Post
hi i built that code reader to spec as was noted.
when i hook it up it the led turns on for a second then burns out, i tried it twice.
any ideas? thanks
See your other post...
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  #11  
Old 05-13-2007, 06:34 PM
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Join Date: Jan 2001
Location: Santa Clara, CA
Posts: 427
You must have the wrong LED - one without the built-in resistor. Frequently you will find misfiled/mislabeled parts at Radio Shack.
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'76 240D-Sold
'78 240D-Sold
'85 300 SD, 165K-Sold
'88 300 TE, 165K-Sold
'64 Porsche 356C Cabriolet
'86 560SL 124K Miles
'94 320E Wagon, 74K Miles-128K Miles JUNKED
'06 E350 Wagon, 84K Miles
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  #12  
Old 05-13-2007, 06:41 PM
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Join Date: Aug 1999
Location: Florida / N.H.
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Both LEDs listed to be used in my diagram are 12v leds. I specifically put the RS part# in there for the purpose of not having someone with a few regular leds at home to just go get a sw and leads.
The 276-270 is an encased version and the -209 requires mounting.
The 276-270A mentioned in a post here is non-existant..the correct # is as stated/shown in the diagram as 276-270/12v

Also , be aware that leds are polarity sensitive.
So, pay particular attention to the pos. + sign at the LED in the diagram..

http://members.aol.com/ajdalton7/ledtool.jpg

Last edited by Arthur Dalton; 05-13-2007 at 06:48 PM.
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  #13  
Old 06-04-2007, 03:48 PM
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Join Date: Dec 2005
Posts: 11
Code Numbers

Are the code numbers for a 1994 E320 wagon the same as posted earlier under E320 16 PIN DTC Charts inc. pin 8, pin 14 posting.
Thanks, for any help.
Beachguy
1994 E320 Wagon with 117,400 miles
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1994 E320 Wagon
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  #14  
Old 06-04-2007, 03:49 PM
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Join Date: Aug 1999
Location: Florida / N.H.
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Same
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  #15  
Old 06-04-2007, 05:09 PM
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Join Date: Dec 2005
Posts: 11
Thanks again to all who know.

What a forum, thanks to all of you.
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1994 E320 Wagon
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