EP1750

The supply voltage of the control unit is too low (undervoltage).

Test 1: Check power supply at control unit N15/5 (Electronic selector lever module control unit).

1. Check power supply at control unit N15/5 (Electronic selector lever module control unit).
Operation number of operation texts and work units or standard texts and flat rates:27-0641 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.
WARNING

- The work procedure prescribed in section 'Initial startup' must be followed in all cases.
End of test

NO
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.8] Measure direct voltage with multimeter between 8 and 5 [A.5]
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.
WARNING

- The work procedure prescribed in section 'Initial startup' must be followed in all cases.
End of test

NO
The measurement value is not OK.Possible cause and remedy

- Check fuse f 37.
- Inspect cables, connectors, plug connections, fuses and electrical components for signs of damage, correct connection, loose contact, corrosion etc.
End of test