Diagnostic Codes for 104

[zaidi]

I am looking for the diagnistic codes for the w124 m104 engine. Can someone help me with that.

[vknid]

Here are the code numbers:

1 No faults.
2 Oxygen sensor inoperative.
3 Lambda control inoperative.
4 Air injection inoperative.
5 EGR inoperative.
6 Idle speed control inoperative.
7 Ignition system failure.
8 Coolant temp sensor-open or short circuit.
9 Intake air temp sensor-open or short circuit.
10 Voltage at Air Mass sensor too high or low.
11 TN (RPM) signal defective.
12 Oxygen sensor heater open or short circuit.
13 Cam position sensor signal from-EZL/AKR ign. control unit defective.
14 Intake manifold pressure at start too low.
15 Full throttle Info defective.
16 Idle speed info defective.
17 CAN Data exchange-Malfunction between control units.
18 Adjustable camshaft timing solenoid-open or short circuit.
19 Fuel injectors-open or short circuit or Emission control system adaptation at limit.
20 Speed signal missing.
21 Purge switchover valve-open or shorted.
22 cam position sensor signal defective.
23 Intake manifold pressure w/ engine running too low.
24 Starter ring gear segments defective.
25 Knock sensors.
26 Upshift delay switch over valve-open or shorted.
27 Coolant temp sensor deviation between sensor ciruits 1 & 2.
28 Coolant temp Sensor.

[zaidi]

Thanks, but Ihave a 16 pin connector and i have the codes for pins 8 and 14 .. how do i check the codes that you have given me.
I will check with the home made tester.

[AQORPIONS]

Hi Folks..

Can Some One Show How To Make A Tester At Home...this Would Be A Valuable Tool
Thanks

[zaidi]

The following post will guide you to making a tester. Better to do a search in the forum. Beleive me there will be loads of new information that you will come across.

http://www.benzworld.org/forums/w124...tic-codes.html

[battlecat714]

does anyone know what the 11 TN-signal (rpm) at engine control module (N3/4) defective code means?