Legend of wiring diagram for stationary heater (STH) control unit - PE83.70-P-2101-60MAA
Model 164 with CODE (228) Stationary heater Control unit A6
| Code | Designation | Coordinates |
|---|---|---|
| A0 | Color code key | 40L |
| A2/53 | Telephone/portable CTEL/STH radio remote control antenna splitter | 15L |
| A2/53 | Telephone/portable CTEL/STH radio remote control antenna splitter | 19L |
| A2/93 | Roof antenna module | 13L |
| A2/93 | Roof antenna module | 21L |
| A6 | STH heater unit | 4A |
| A6 | STH heater unit | 12A |
| A6 | STH heater unit | 20A |
| A6 | STH heater unit | 28A |
| A6 | STH heater unit | 35A |
| A6/1 | STH radio remote control receiver | 10L |
| A6b1 | Temperature sensor | 33A |
| A6f1 | Temperature fuse | 34A |
| A6m2 | Combustion air blower | 35C |
| A6n1 | STH control unit | 6A |
| A6r4 | Glow pin unit flame monitor | 33C |
| A6r5 | Fuel preheating | 31A |
| A6y1 | STH switchover valve | 34C |
| A28/3 | E-net compensator | 23L |
| F4 | Load compartment fuse and relay box | 6L |
| F4f22 | Fuse 22 | 5L |
| F58 | Engine compartment fuse and relay box | 2L |
| F58f121 | Fuse 121 | 2L |
| M46/1 | Auxiliary heater metering pump | 24L |
| U149 | Valid for comfort telephone | 16F |
| U154 | Valid for 164.1 | 25G |
| U155 | Valid for 164.8 | 25G |
| U801 | Valid for UHI (Universal Portable CTEL Interface) | 14F |
| U808 | Not valid for UPCI [UHI] (Universal Portable CTEL Interface) | 12F |
| W7 | Ground (right wheel well in luggage compartment) | 26H |
| W9 | Ground (left front, at lamp unit) | 2E |
| W9 | Ground (left front, at lamp unit) | 31H |
| W 15/2 | Ground (left footwell) | 8H |
| W17 | Ground (right rear seat) | 26G |
| X18/3 | Interior/fuel tank connector | 24H |
| X25/2 | Engine compartment/interior compartment connector | 10E |
| X30/4 | Right voltage distributor (CAN) connector | 29L |
| Y16 | STH switchover valve | 31L |
| Z204/2 | Circuit 31 right wheel well luggage compartment voltage distributor connector | 26L |
| Z204/3 | Circuit 31 right rear seat voltage distributor connector | 26L |
| Z204/5 | Voltage distributor connector, left footwell. Circuit 31 (1) | 8L |