Therefore, when the system seems to be malfunctioning, use the intelligent tester to check for a malfunction and repair it.

Hint:
Connect the cable of the intelligent tester to the dlc3, turn the ignition switch on and attempt to use the tester. If the display indicates that a communication error has occurred, there is a problem either with the vehicle or with the tester.


Terminals of ecu
Data list / active testAutomatic
air conditioning system
Air outlets and fan speed are automatically adjusted according
to the temperature setting.
Driver’s side temperature control
dial
Automatic mode button
Micro dust and pollen filter
mode button
Driver’s side temperature setting
display
Fan speed display
Air outlet display ...
Playing back mp3 and wma discs
Power
Volume
Cd eject
Selecting a file or displaying
folder list
Searching playback
Next commands, random play
or back button
Repeat play
Fast-forwarding, rewinding or
selecting a folder
Changing the audio source/
playback
Playback/pause
Previous commands
Selecti ...
Symptom simulation
Hint:
The most difficult case in troubleshooting is when no
problem symptoms occur. In such a case, a thorough
problem analysis must be carried out. A simulation of the
same or similar conditions and environment in which the
problem occurred in the customer's vehicle should be
carried out. No ...