Heater Activation and Control Components

Heater Activation and Control Components

• If there is a malfunction in the system, first check the Climatronic control module (J255) DTC memory. Refer to Vehicle diagnosis, testing and information system (VAS5051B) in the "Guided Fault Finding" function.

• If no fault is displayed, read the measured value block for the Climatronic control module and activate the component with the "output diagnosis test mode" function on the Vehicle diagnosis, testing and information system (VAS5051B) in the "Guided Fault Finding" function.

• Electrical checking of the various control motors, potentiometers and senders is described in Guided Fault Finding. Refer to Vehicle diagnosis, testing and information system (VAS5051B) in the "Guided Fault Finding" function.

• Perform the following work after completion of repair operations:

- Check Climatronic control module (J255) DTC memory and erase any possible displayed malfunctions using Vehicle diagnosis, testing and information system (VAS5051B) in the "Guided Fault Finding" function.

- Check coding of Climatronic control module using Vehicle diagnosis, testing and information system (VAS5051B) in the "Guided Fault Finding" function.

- If necessary, check adaptation of the Climatronic control module using Vehicle diagnosis, testing and information system (VAS5051B) in the "Guided Fault Finding" function.

- Perform heater basic setting, Climatronic control module using Vehicle diagnosis, testing and information system (VAS5051B) in the "Guided Fault Finding" function.

• Components outside passenger compartment, refer to=> [ Components Outside Passenger Compartment ] Components Outside Passenger Compartment.

• Components inside the passenger compartment, refer to=> [ A/C Components Inside Passenger Compartment, Left Side ] A/C Components Inside Passenger Compartment, Left Side and => [ A/C Components Inside Passenger Compartment, Right Side ] A/C Components Inside Passenger Compartment, Right Side.