Operation CHARM: Car repair manuals for everyone.

Connector Locations



Connector Assignment







Air-conditioning system regulator control module, front

Socket A (black), 24-pin (2-zone and 4-zone air conditioning)


Pin 1 - 10:




Pin 11 - 24:






Socket A, (black) 24-pin (manual air conditioning)


Pin 1 - 12:




Pin 13 - 24:






Socket B, (red) 24-pin (4-zone air conditioning)


Pin 1 - 16:




Pin 17 - 24:






Socket C (yellow), 24-pin (2-zone and 4-zone air conditioning)


Pin 1 - 18:




Pin 19 - 24:






Socket C, (yellow) 24-pin (manual air conditioning)


Pin 1 - 24:






Socket E (black), 12-pin (manual, 2-zone and 4-zone air conditioning)


Pin 1 - 12:






Rear connector assignment







Air-conditioning system regulator control module, rear

Socket B, (red) 20-pin (4-zone air conditioning)


Pin 1 - 20:






Socket C, (yellow) 16-pin (4-zone air conditioning)


Pin 1 - 16:






Socket D, (black) 16-pin (4-zone air conditioning)


Pin 1 - 4:




Pin 5 - 16: