Volkswagen Heater: Difference between revisions
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(→LIN Bus Communication: Updated LIN frame details) |
(3d scan added) |
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| Line 7: | Line 7: | ||
* Control via LIN by integrated electronics | * Control via LIN by integrated electronics | ||
* Temperature control by integrated sensor | * Temperature control by integrated sensor | ||
* 3d Scan: [https://grabcad.com/library/vw-egolf-gte-electric-water-heater-1 https://grabcad.com/] | |||
Latest revision as of 17:07, 27 March 2024
General Information [1]
- Operating Voltage: 280VDC - 450VDC
- Power: 5kW (7kW "boost" between 350-450V)
- Control via LIN by integrated electronics
- Temperature control by integrated sensor
- 3d Scan: https://grabcad.com/
Pinout/Connectors
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HV connector: TE 4-2103177-5 (HVA 280 series - key "E")
- HV+ near to the body,
- HV- far from the body
LV connector: TE 1-1394416-1
- Pin 1 is permanent 12V
- Pin 2 is GND
- Pin 4 is LIN
LIN Bus Communication
| ID | Description | Length | Checksum Type | Byte 0 | Byte 1 | Byte 2 | Byte 3 | Byte 4 | Byte 5 | Byte 6 | Byte 7 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec: 28
Hex: 0x1C PID: 0x9C |
Control, every 50ms | 2 | Enhanced | Power
0-100% scale: x1 |
Last bit: Start/Stop | ||||||
| Dec: 48
Hex: 0x30 PID: 0xF0 |
Feedback | 8 | Enhanced | HV Current:
Unit: Amp Scale: 0.25 |
?? | ?? | ?? | LV Voltage:
Unit: Volt Scale: 0.1 |
Module Temp
Unit: Celcius offset:-50 |
Temperature in
Unit: Celsius offset:-50 |
Temperature out
Unit: Celsius offset:-50 |
VW Part Numbers
Heater:
- 3Q0 963 231 A
- 3Q0 963 231 C
- 3Q0 963 231 E
Cable assemblies:
- HV cable is 3Q0 971 475 or 5Q0 971 475
- LV cable appears to be 1J0 973 714