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Component location of activated components, The Output Diagnostic Test Mode (DTM) can be carried out more than once if necessary. If components marked with an * malfunction, DTCs for these components can be stored in DTC memory. Checking the "Idle Air Control" (IAC) regulation function. During output DTM, ...
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The remote control transmitter consists of DTMF generator and an FM transmitter circuit. For generating the DTMF frequencies, a dedicated IC UM91214B (which is used as a dialler IC in telephone instruments) is used here. This IC requires 3 volts for its operation. This is provided by a ...
For Audi allroad, the change-over of the A/C system is not performed with the model year change 2001 to 2002, instead it is a running change (implementation open, for vehicles with 4.2 Liter engine with start of production).
The engine should not be running, if the actuation of "A/C Compressor Regulator ...
