7.22.4 ECU – Checking plug connections
Preconditions
☑ Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use Part No. Qty.
Connector pliers
0135315483 1
Checking plug connections on ECU
1. Use connector pliers (3) to make certain
that all plug connections of ECU are se‐
curely seated.
2. Tighten loose bayonet union nuts (2) with
connector pliers (3) by turning them clock‐
wise until they lock into place.
3. Make sure that unassigned sockets are
closed off with cover caps.
4. Contact Service if bayonet union nuts are
defective.
238 | Task Description | MW15550/06E 2012-02
TIM-ID: 0000008479 - 004