Saturday, June 27, 2020

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 11

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 11

At least one of the measured values is not o.k.Possible cause and remedy

- Ground cable

- W16/3 (Ground (left of component compartment, power ground))

End of test

1.3.2.1.3. Check power supply at control unit ETC.

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

- Switch off ignition.

- Connect socket box.

- Switch on ignition.

- Measure direct voltage with multimeter between sockets [2.30] 30 and [2.29] 29 of the 126-pole socket box tester.

Specified value

- Voltage[11.0...14.0] V

Question

- Is the measurement value OK?

YES

The measurement value is OK.Possible cause and remedy

- Replace component N15/3 (ETC [EGS] control unit).

End of test

NO

The measurement value is not OK.Possible cause and remedy

- Inspect connector 2 at control unit N15/3 (ETC [EGS] control unit) for damage, correct connection, loose contact and corrosion and repair, if

necessary.

End of test

1.3.2.1.4. Check power supply at control unit ESM.

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

- Switch off ignition.

- Disconnect connector at component N15/5 (Electronic selector lever module control unit).

- Switch on ignition.

- [A.2] Measure direct voltage with multimeter between 2 and 1 [A.1]

Status of relevant actual value:

- Supply voltage (tml. 15):Warning! Communication with ECU required.

Specified value

- Voltage[7.0...16.0] V

Question

- Is the measurement value OK?

YES

The measurement value is OK.Possible cause and remedy

- Replace component Floor-mounted shift.

End of test

NO

The measurement value is not OK.Possible cause and remedy

- Check fuse f55 (voltage supply from control unit ESM) in component N10/1 (Front SAM control unit with fuse and relay module).

- Check all affected plugs, connectors and electrical components for damage, loose contact, corrosion etc. and repair if necessary.

End of test

Part 2

CAN controller: CAN bus OFF

1.3.2.1.5. Check power supply at control unit EZS.