Removing the control unit holder
WARNING:
Working on 12 V electrical system
.
Risk of short circuits! Risk of fire!
Risk of short circuits! Risk of fire!
- Make sure that there is no charger connected to the jump start terminal in the engine compartment.
- Detach battery ground lead from battery.
- For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.
NOTE:
RISK OF DAMAGE
Damage to battery terminal, the safety battery terminal or the intelligent battery sensor (IBS) .
Damaged battery terminals can lead to malfunctions or vehicle electrical system faults .
Damage to battery terminal, the safety battery terminal or the intelligent battery sensor (IBS) .
Damaged battery terminals can lead to malfunctions or vehicle electrical system faults .
- Detach battery terminal from battery pole by carefully shifting to and fro. Do not pry off using a tool.
Preliminary work
- Refer to DEACTIVATING THE 48 V ELECTRICAL SYSTEM .
- Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to REMOVING THE DME CONTROL UNIT .
- Refer to REMOVE THE INTEGRATED POWER SUPPLY MODULE (PDM) .
- Unlock plug connection (1) and disconnect.
- Unlock the connector (2) and disconnect from the control unit holder (3) .
- Release the clamps (arrows).
- Unlock plug connection (1) and disconnect.
- Unlock the connector and disconnect it from control unit holder (3)
.
- Unlock the locks (1) in the marked area.
- Feed out the cable bracket (2)
to the top and set it aside.
- Loosen clamp (1)
.
- Unlock the lock (arrow).
- Feed out the cable clip (1)
upwards and set it aside.
- Loosen screws (1) .
- Guide out and remove the control unit holder (2) .