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?