IHKA E38 Control Panel/Module Functions

The E38 control panel/module performs the same functions as the E31 control module. It controls:

Blower speed
Mixing flaps
Auxiliary coolant pump
Heater core temperatures
Auxiliary cooling fan
Evaporator temperature
Air intake flaps (fresh/recirculating)
Special programmed functions
Air distribution flaps (face vent, foot- well, defroster, console rear outlet)
Windshield base/washer spray jet heaters

In addition, it has an EEPROM to store fault codes. The EEPROM allows the module to "go to sleep" about 16 minutes after the ignition is switched to "Off," to reduce power consumption without losing the contents of the memory.

Fault codes stored cannot be erased by disconnecting the battery; the DIS/MoDiC must be used. A maximum of six fault codes can be stored at one time.

NOTE: If the control module is replaced it must be coded.