Removing Wiring For Backrest
NOTIFICATION
Voltage peaks
- Risk of damage to electrical load or to the control unit
→ Switch off ignition and remove remote control before disconnecting or removing electrical load.
Information
Always comply with the regulations for handling ESD-sensitive components!
- Always wear approved work clothes and shoes when carrying out assembly work.
- Do not remove new parts from ESD (electrostatic discharge) protective packaging until shortly before installation.
- Do not touch electric pins and plug contacts.
Wire harness for backrest
| 1 | Two connectors for backrest wire harness |
| 2 | Connector for motor for air cushion |
| 3 | Connector for control valve for air cushion |
| 4 | Two connectors for lumbar support |
| 5 | Connector for motor for backrest adjustment |
| 6 | Connector for motor for seat ventilation |
- Unclip, release and disconnect two electric plug connections -1-
for the backrest wire harness.
> 721919 - REMOVING AND INSTALLING BACKREST FRAME
Wire harness for backrest
- Release and disconnect electric plug connection -2-
for the air cushion motor.
> 723919 - REMOVING AND INSTALLING MOTOR FOR AIR CUSHION
Wire harness for backrest
- Unscrew two fastening screws for the backrest air cushion.
- Release and disconnect electric plug connection -3-
for control valve for air cushion.
> 723819 - REMOVING AND INSTALLING CONTROL VALVE FOR AIR CUSHION
Wire harness for backrest
- Release and disconnect two electric plug connections -4-
for lumbar support.
> 723419 - REMOVING AND INSTALLING LUMBAR SUPPORT
Wire harness for backrest
- Release and disconnect electric plug connection -5-
for motor for backrest adjustment.
> 728919 - REMOVING AND INSTALLING MOTOR FOR BACKREST ADJUSTMENT
Wire harness for backrest
- Release and disconnect electric plug connection -6-
for motor for seat ventilation.
Wire harness for backrest
- Unclip clips -1-
on the backrest frame.
Mounting points
- Cut open tie-wraps -2-
on the backrest frame.
Mounting points
- Remove wiring for backrest.