Volkswagen Heater: Difference between revisions
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LIN messages for the water heater: | LIN messages for the water heater: | ||
The feedback comes on ID48. | |||
Byte 0 is power. 13 for 770W, 26 for 1540W | |||
Byte 6 and 7 are temp in and temp out | |||
ID28 is sent for control, every 50ms | ID28 is sent for control, every 50ms |
Revision as of 06:03, 7 February 2022
VW heater P/N are:
- 3Q0963231A
- 3Q0963231C
- 3Q0963231E
LIN messages for the water heater:
The feedback comes on ID48.
Byte 0 is power. 13 for 770W, 26 for 1540W
Byte 6 and 7 are temp in and temp out
ID28 is sent for control, every 50ms
Byte 0 is power, last bit of byte 1 starts and stops
HV cable P/N is 3Q0971475 or 5Q0971475.
LV connector looks like it is Webasto 1J0973714 8P type.
HV connector HVA 280 KEY_E from TE
- +HV near to the body,
- -HV far from the body
LV Connector 1J0973714
- Pin 1 is permanent 12V
- Pin 2 is GND
- Pin 4 is LIN