Check wiring harness of pump module

AR14.40-B-2033B

Check wiring harness of pump module

05.11.2019

Engine

924.9 in model 368, 384, 685

with code MS5 (Euro V)

Engine

926.9 in model 368, 382, 384, 634, 685

with code MS5 (Euro V)

Engine

926.9 in model 949, 950, 952, 953, 954, 957

with code MS5 (BlueTec 5)

Electrical connection of the pump module with signs of corrosion

1

Pump module

2

Connector

3

Connector

4

Contact pin

5

Contact socket

Electrical connection of the SCR chassis control unit with signs of corrosion

6

Contact pin

7

Chassis control module

SCR chassis control unit outlet with signs of corrosion

8

Connection bushing

9

Outlet

Check

1

Turn off ignition

2

Open the access cover

3

Separate the electrical connection of the pump module (1) and check for signs of corrosion

If the electrical connector is in good conditions:



It will not be necessary to carry out visual inspections.

If the electrical connector is corroded:



Proceed with step 4.

4

Separate the electrical connection of the chassis control unit (7) and check for signs of corrosion

If the electrical connector is in good conditions:



Proceed with the work step #6.

If the electrical connector is corroded:



Proceed with step 5.

5

Replace the outlet (9) and the chassis control unit (7)

6

Replace the electrical harness from the pump module (1) up to the chassis control module (7)

.

AR14.40-B-2034B