Legend For Comments - Webasto Thermo Pro 90 Series Service Installations

11 Wiring diagrams
Item Description
X9 4-pin plug connection
X10 4-pin plug connection
X11 2-pin plug connection
X12 2-pin plug connection
Y2 Solenoid valve / pump

11.17 Legend for comments

No.

D+ signal (vehicle motor ON/OFF) for deter-
mining the control temperature

When connecting MultiControl/SmartCon-
trol (W-bus), the black wire must be
removed from plug connection X10 (pin 2)
and isolated (if not already done).

Fuse for vehicle blower (fuse present in vehi-
cle)

Switch for vehicle blower

EMC interference suppression module (HDD
version only)

Wiring harness

Fuse for vehicle blower (fuse present in vehi-
cle)

-

Optional extension available (connection to
plug connection X10)

CAN module; as per SAW J1939 for diag-
nostics function (optional, HDD version
only)

Mating connector on vehicle conforms to
VG95328R2016P (optional, HDD version
only)

VG95328R2016PN connector (optional,
HDD version only)
1113
To item P or P1
W-bus, MultiControl / SmartControl connection, Telestart (12 V
only), ThermoCall or diagnosis
To item DP
To item UP
Auxiliary drive / pumping device
Remarks
Remarks
11.18 Legend for plug X8, 12-pin
No.
Output, battery disconnector afterrunning
1
signal
2 Output, vehicle fan relay
3 Input switch-on signal (ON/OFF)
4 Operating indicator/error code output
5 Auxiliary drive
6 W-bus
7 Terminal D+
CAN GND as per SAE J1939 (HDD version
8
only)
9 Power supply (terminal 31)
CAN LOW as per SAE J1939 (HDD version
10
only)
CAN HIGH as per SAE J1939 (HDD version
11
only)
12 Power supply (terminal 30)
Thermo Pro 90
Remarks