Sunday, March 31, 2019

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 2138


Test K cable to control unit Y3/8n4 (Fully integrated transmission control (VGS) control unit).



Operation number of operation texts and work units or standard texts and flat rates:27-0641Test prerequisite



- The power supply of component Y3/8n4 (Fully integrated transmission control (VGS) control unit) is OK.



Test sequence



- Switch on ignition.



- Test voltage at component X11/4 (Diagnosis test connector).



- If several control modules are connected to a K-wire, the voltage can be measured even if an open circuit exists.



Measure direct voltage with multimeter between (X11/4) 11 and (-) ground.Specified value



- Voltage [8,5...16,4] V



Question



- Is the measurement value OK?



YES



Test sequence



- Switch off ignition.



- Separate plug connection at transmission.



- Measure voltage in transmission wiring harness using a multimeter.



- Measure resistance with multimeter between ground and 3



Specified value



- Resistance measured: [OL] ohms



Question



- Is the measurement value OK?