Nissan Leaf ZE1 AC compressor

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Leaf AC comp ZE1 Heatpump.jpg

From Leaf model year 2017-2023

It is label Denso S1 ESB27C

Low voltage Connector

The pinout is as follows: Left most pin 12V ign, middle is ground, right is LIN

Leaf AC comp ZE1 Heatpump LV.jpg

High Voltage Connector

HV, Red is positive Blue is negative

Leaf AC comp ZE1 Heatpump HV.jpg

LIN Bus Info

Lin Speed 19200kbps Message rate 100Hz (0.1 S between same ID) Checksum: Enhanced

Compressor info ID 0x09 !!!Content unkown Control ID 0x07

OFF: 0x00,0x00,0xFD,0xFF,0xFF,0xFF,0xFF,0xFF

Run: 0x00,0x05,0xFD,0xFF,0xFF,0xFF,0xFF,0xFF

First two bytes control speed ? !!!to be verified

https://openinverter.org/forum/viewtopic.php?t=5723

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