Onboard Network Concept - Bosch DDU 9 Manual

1 | Onboard Network Concept

UBAT
Star connection
(term30)
Main
Switch
G
GND_Starpoint
As short as
possible
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1 Onboard Network Concept
IGN-
Switch
positive terminal
Chassis
Engine_GND
NOTICE
This schematic is not device specific, please see the section "Technical Data for the spe-
cifications of your device.
KL15
KL30
µC
KL31
Star connection
dig. sensors
(e.g. wheelspeed)
LS_GND_1
LS_GND_2
DDU 9
switched pos. terminal
Electric Loads
Device Bosch Motorsport
diagnosis connector
LS_SWITCH1...4
UBATT_FUSE
SENSPWR10
SENSPWR5
ANA_IN(xy)
NTC
ANA_IN(xx)
Sensor
SENSGND
PC
active
Sensor
Bosch Motorsport