FixVault

Compressor Control

The control of the compressor is the same as that of the IHKS with the exception of the IHKA module signals compressor request to the EMS2000 via the K-bus and not the BC1. The evaporator sensor still signals to the BC1 as on the IHKS.

Fig 1: IHKA Compressor Control
G04730800Courtesy of BMW OF NORTH AMERICA, INC.