VAG PTC Air Heater: Difference between revisions
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Revision as of 16:24, 20 December 2024
Overview[1]
PTC heater assembly found in VW ID series (ID.3, ID,4, ID.Buzz, etc.), as well as other VAG EVs (Seat, Skoda, Audi, etc).
- According to VW, the nominal voltage is 150 to 475V, but findings suggest it’s usable from 180VDC.
- It is made by Valeo and has a operational range between 0 and 6kW.
Part Numbers
| VAG Part Number | Vehicles Used it | Tested? | |
|---|---|---|---|
| 1EA963581AQ | No | ||
| 1EA963581BM | No | ||
| 1EA963581BN | No | ||
| 1EA963581C | No | ||
| 1EA963581D | Yes | ||
| 1EA963581F | Yes | ||
| 1EA963581G | No |
Connectors
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VW 1EA963581 PTC heater connections[2]
High-Voltage Connection
TE HVU 280 series
- Mating housing: 1-2318082-2 (key B)
- Contacts:
- TE-NO: 2-968859-3 (WIRE SIZE 4mm²)
- TE-NO: 2-968857-3 (WIRE SIZE 2.5mm²)
- Seals:
- TE-NO: 828985-1 (WIRE SIZE 4mm²)
- TE-NO: 963292-1 (WIRE SIZE 2.5mm²)
Low-Voltage Connection
VW 1J0 973 723
Potential Equalization
M6x1 lug
Dimensions and 3D Model
3D Model available at GrabCAD: [3]
Control
EVCreate CAN Gateway[1]
DIY with Teensy[4]
Case Studies
Volvo P80 heater core adapter (to be published)
- ↑ 1.0 1.1 Volkswagen air PTC heater control via LIN bus: https://www.evcreate.com/volkswagen-air-ptc-heater-control-via-lin-bus/
- ↑ The High-Voltage System in the ID.4: https://static.nhtsa.gov/odi/tsbs/2021/MC-10186407-0001.pdf
- ↑ 3D Model available on GrabCAD: https://grabcad.com/library/vw-idx-air-ptc-1
- ↑ https://github.com/Tom-evnut/ID3-LIN-Bus/tree/main/Teensy%20Arduino%20Lin%20examples/T4_2Lin_explorer_ID34_PTC