INSTALLATION
MANUAL
© Scania CV AB 2018, Sweden
Engine control unit
03:01 Issue 11 en-GB 41
Engine control unit
Operating voltage
For the engine control unit to function according to specification, the voltage must
be 22-30 V. The normal voltage is 28 V.
Protective ratings
The S8 and OCE1 engine control units have an IP a rating 6K9K when all harness-
to-harness connectors are connected to the engine control unit. S8 and OCE1 have an
IP rating of 5K4 when the harness-to-harness connectors are not connected to the en-
gine control unit.
The S6 engine control unit has an IP rating of 6K9K when all harness-to-harness con-
nectors are connected to the engine control unit. S6 has an IP rating of 40 when the
harness-to-harness connectors are not connected to the engine control unit.