Volkswagen Heater

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VW heater P/N are: 3Q0963231A 3Q0963231C

3Q0963231E

VW heater.jpg

LIN messages for the water heater:

Feedback comes on ID48, Byte 0 is power - 13 for 770W, 26 for 1540W.
ID28 is sent for control, 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

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