Function Schematic For Electrical Rear Window Heater - PE67.29-S-2051-97TRB
Model 447.6/7 with code W78 (Window in tailgate or hinged rear door with wipe/wash system) except code XM0 (Facelift)
| Code: | Designation: | Position: |
|---|---|---|
| 1 | Circuit 15, status | 10F |
| 10 | Displayed outside temperature, signal | 10G |
| 10 | Displayed outside temperature, signal | 14H |
| 11 | Vehicle interior temperature, signal | 8E |
| 11 | Vehicle interior temperature, signal | 11C |
| 11 | Vehicle interior temperature, signal | 9B |
| 12 | Vehicle speed, signal | 10G |
| 12 | Vehicle speed, signal | 16F |
| 13 | Consumer shutoff, request | 8D |
| 14 | PRE-SAFE®, status | 10G |
| 14 | PRE-SAFE®, status | 16F |
| 2 | Rear window heater button, status | 6B |
| 3 | Rear window heater, request | 8E |
| 4 | Rear window heater relay, actuation | 6J |
| 5 | Rear window heater, actuation | 4J |
| 6 | Rear window heater status indication, signal | 4B |
| 6 | Rear window heater status indication, signal | 8C |
| 7 | Switch on additional current consumers, request | 10F |
| 7 | Switch on additional current consumers, request | 14E |
| 8 | Outside temperature sensor, signal | 6F |
| 9 | Outside temperature, signal | 17K |
| 9 | Outside temperature, signal | 14J |
| 9 | Outside temperature, signal | 13F |
| A1/1 | Instrument cluster (KI) control unit | 14J |
| A1/1p13 | Multifunction display | 17K |
| B14 | Outside temperature sensor | 5F |
| CAN B | Interior CAN | 11F |
| CAN B | Interior CAN | 8D |
| CAN E | Chassis CAN | 14H |
| CAN E | Chassis CAN | 17F |
| CAN E | Chassis CAN | 14D |
| K40/11 | Firewall fuse and relay module | 5J |
| M9 | Blower with interior air temperature sensor | 11B |
| M9b1 | Interior air temperature sensor | 11D |
| N10/1 | Signal acquisition and actuation module (SAM) control unit | 8F |
| N3/33 | CDI control unit | 13A |
| N3/36 | CDI control unit | 16A |
| N30/4 | Electronic Stability Program (ESP) control unit | 19F |
| N73 | Electronic ignition lock (EZS) control unit | 14F |
| R1 | Rear window heater | 2J |
| S98 | Air conditioning control and operating unit (front & rear KLA) | 8A |
| S98s14 | Rear window heater button | 3B |
| U1186 | Valid for engine 651.9 | 12A |
| U1187 | Valid for engine 622.9 | 15A |