Diagnosis instructions

Failure of the component: 

If the component fails, the following behavior is to be expected:

• Fault code entry in the junction box electronics (JBE) or in the front electronic module (FEM) or in the Body Domain Controller (BDC)
• Substitute value of IHKA control unit: Air quality stage 0

  (Stage 0 corresponds with clean air)

• Automatic air recirculation control (AUC) not possible

.