Legend to wiring diagrams and pin assignment
TT-Evo Connector X1: |
| TT-Evo Standard (car) | TT-Evo RV/HD |
|---|---|---|---|
Pin 1 | No connection | X |
|
| Input select AH/PH |
| X |
Pin 2 | W-bus | X | X |
Pin 3 | No connection | X |
|
| Analogue switch-on signal |
| X |
Pin 4 | No connection | X |
|
| Flash code for fault display |
| X |
Pin 5 | Vehicle blower | X | X |
Pin 6 | Fuel pump | X | X |
The connection in the heater control unit is designed for a current consumption of Imax = 0.5 A.
No. | W-bus | W-bus RD/HV | Cronus |
|---|---|---|---|
A1 | Heater Thermo Top Evo | Heater Thermo Top Evo |
|
A2 | Control unit | Control unit | Control unit |
A4 | Telestart T91 |
|
|
A5 | Telestart T100 HTM |
|
|
A6 | Fuse holder | Fuse holder | Fuse holder |
A7 | W-bus temperature sensor |
| T-LIN-R module / optional |
A8 | PWM Gateway | PWM Gateway |
|
A9 | Relay socket with fuses | Relay socket with fuses |
|
A10 | Button TC4 |
|
|
A11 | MultiControl |
|
|
A12 | ThermoCall TC4 |
|
|
A13 |
|
| Cronus / Webasto passenger compartment control unit |
A14 |
|
| Cronus pushbutton |
F1 | Fuse 20A | Fuse 20A | Fuse 20A |
F2 | Fuse 30A | Fuse 30A | Fuse 30A |
F3 | Fuse 1A | Fuse 1A | Fuse 1A |
F4 | Fuse 25A | Fuse 25A |
|
B1 | Coolant temperature sensor | Coolant temperature sensor | Coolant temperature sensor |
B2 | Temperature sensor | Temperature sensor | Temperature sensor |
B3 | Temperature sensor | Exhaust gas temperature sensor | Exhaust gas temperature sensor |
M1 | Motor | Motor | Motor |
M2 | Motor | Motor | Motor |
M3 | Vehicle blower | Vehicle blower | Motor |
M4 |
|
| Motor vehicle blower |
S1 | Switch for vehicle blower | Switch for vehicle blower |
|
S2 | Switch for vehicle blower | Switch for vehicle blower |
|
S3 |
| Main switch |
|
E | Glow plug | Glow plug |
|
Y1 | DP42 fuel pump | DP42 fuel pump |
|
Y2 | Coolant switching valve |
| Coolant switching valve |
BA |
| Operating indicator |
|
K1 | Fan relay | Fan relay |
|
X1 | 6-pin connector | 6-pin connector | 6-pin connector |
X2 | 2-pin connector | 2-pin connector | 2-pin connector |
X3 | 4-pin connector | 4-pin connector | 4-pin connector |
X4 | 2-pin connector | 2-pin connector | 2-pin connector |
X5 | 2-pin connector | 2-pin connector | 2-pin connector |
X6 | 2-pin connector | 2-pin connector | 2-pin connector |
X7 | 2-pin connector | 2-pin connector | 2-pin connector |
X8 | 2-pin connector | 2-pin connector |
|
X9 | 2-pin connector | 2-pin connector |
|
X10 | 4-pin connector | 4-pin connector | 4-pin connector |
X11 | 4-pin connector |
| 4-pin connector |
X12 | 4-pin connector |
| 3-pin connector |
X13 | 4-pin connector |
| 3-pin connector |
X14 | 6-pin connector |
|
|
X15 | Coolant switching valve |
|
|
X16 | 2-pin connector | 2-pin connector | 3-pin connector |
X17 | 4-pin connector |
| 4-pin connector |
X18 | 4-pin connector wiring harness |
| 4-pin connector |
X19 | 4-pin connector wiring harness | 4-pin connector Control elements | 4-pin connector |
X20 | 4-pin connector wiring harness |
| 4-pin connector |
X21 |
|
| 3-pin connector |
X22 | 4-pin connector |
| 2-pin connector |
X24 | 4-pin connector | 4-pin connector |
|
X25 | 4-pin connector | 4-pin connector |
|
1 | Present in vehicle |
|
|
2 | Fan controller |
|
|
3 | Air-conditioning control unit |
|
|
4 | Aerial |
|
|
5 | Plug connection |
|
|
6 | Wiring harness |
|
|