Test step | Component checked | Page |
1 | t
| Power supply and earth connection of operating and display unit, Climatronic control unit -J255- |
| → Chapter |
2 | t
| Fresh-air intake duct temperature sensor -G89- |
t
| Right vent temperature sender -G151-, front vent temperature sender -G152-, left footwell vent temperature sender -G261-, right footwell vent temperature sender -G262-, evaporator outflow temperature sender -G263- |
| → Chapter |
3 | t
| Wiring to fresh air blower control unit -J126- and fresh air blower -V2- |
| → Chapter |
4 | t
| Control motors of air conditioner and corresponding potentiometers -central flap control motor -V70- / central flap control motor potentiometer -G112-, air flow flap control motor -V71- / air flow flap control motor potentiometer -G113-, defroster flap control motor -V107- / defroster flap control motor potentiometer -G135-, air recirculation flap control motor -V113- / air recirculation flap control motor potentiometer -G143-, left temperature flap control motor -V158- / left temperature flap control motor potentiometer -G220-, right temperature flap control motor -V159- / right temperature flap control motor potentiometer -G221- |
| → Chapter |
5 | t
| Pressure signal from high-pressure sender -G65- |
| → Chapter |
6 | t
| Actuation of air conditioning system compressor regulating valve -N280- |
| → Chapter |
7 | t
| Signal from sunlight penetration photosensor -G107- |
| → Chapter |
8 | t
| Input for activation signal for actuation of operating and display unit, Climatronic control unit -J255- (e.g. from service installed auxiliary heater) |
| → Chapter |