16 Circuit diagrams
16.1
Circuit diagram for all cars from 9.98
and cars with IHKA from production
start
A11
Heating or air conditioning control
A14
Auxiliary heater controller
A47
Fuse holder II
A128
Controller for remote control
A402
Fuse holder for auxiliary heater in
electrics box
A2076
Terminal 30 post in electrics box
K450
Auxiliary heating system relay in electrics
box
N25
Time switch (optional)
X165
Ground post behind the left headlight
X608
6-pin connection plug for heating or air
conditioning control
X642
2-pin connection plug for auxiliary heating
system
X681
1-pin plug connector for blower control
X764
6-pin connection plug for auxiliary heating
system
X997
2-pin connection plug for metering pump
X2021
Socket contact for diagnostics (Webasto)
X2798
8-pin connection plug for fuse holder
A402
X3263
Relay socket for auxiliary heating relay
X10016 68-pin connection plug for fuse holder A47
X10130 4-pin connection plug for time switch
X18209 1-pin plug connector for blower control
X18326 Positive post in electrics box
X18830 6-pin connection plug for receiver
Y7
Metering pump
Cable colours
BL
= blue
BR
= brown
GE
= yellow
GN = green
GR = grey
OR = orange
RT
= red
SW = black
VI
= violet
WS = white
F 46 0121 M
40
16.2
Circuit diagram for cars with IHR
up to 9.98
A14
Auxiliary heater controller
A128
Controller for remote control
A402
Fuse holder for auxiliary heater in
electrics box
A2076
Terminal 30 post in electrics box
K450
Auxiliary heating system relay in electrics
box
M30
Heating blower motor
N25
Time switch (optional)
R11
Blower series resistor
S75
Blower switch
X165
Ground post behind the left headlight
X642
2-pin connection plug for auxiliary heating
system
X681
1-pin plug connector for blower control
X764
6-pin connection plug for auxiliary heating
system
X816
2-pin connection plug for blower motor
X904
4-pin connection plug for blower resistor
X905
5-pin connection plug for blower switch
X906
Connector for blower motor
X997
2-pin connection plug for metering pump
X2021
Socket contact for diagnostics (Webasto)
X2798
8-pin connection plug for fuse holder
A402
X3263
Relay socket for auxiliary heating relay
X10130 4-pin connection plug for time switch
X18209 1-pin plug connector for blower control
X18326 Positive post in electrics box
X18722 2-pin plug connector (voltage supply for
heater)
X18830 6-pin connection plug for receiver
Y7
Metering pump
Cable colours
BL
= blue
BR
= brown
GE
= yellow
GN = green
GR = grey
OR = orange
RT
= red
SW = black
VI
= violet
WS = white
F 46 0176 M