Climate control Original version without sun sensor, used through 1995

Climate control Original version without sun sensor, used through 1995

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Reading climate control diagnostic trouble codes The Automatic Climate Control which appeared in several models includes an easy-to-use 61-channel OBD (On Board Diagnostic) display which can be accessed without the use of special tools. This function can be an indispensable tool in diagnosing problems with the climate control system. Owners of cars without automatic climate control must have error codes read with a VAG 1551 Scan Tool. To Access CC OBD readout: Car ignition on Press and hold the recirculation button Press and hold the up arrow button Release both buttons: "01c" will be displayed ("01c" indicates channel 1, "02c" indicates channel 2, etc.) To select a different channel, press temperature + or temperature - buttons. To call up information from a particular channel, select desired channel, and press the recirculation button. To leave memory display, press the AUTO button, or switch the ignition off. Diagnostic Channels and their descriptions Channel Function 1 System malfunction - displayed as a Diagnostic Trouble Code (DTC) 2 Digital value of Interior Temperature Sensor in Headliner (G86) 3 Digital value of Interior Temperature Sensor in Instrument Panel (G56) 4 Digital value of Fresh Air Intake Duct Temperature Sensor (G89) 5 Digital value of Outside Air (Ambient) Temperature Sensor, front (G17) 6 Digital value of Outside Air (Ambient) Temperature Sensor 7 Digital value of Ambient Temperature Sensor at Fresh Air Blower (G109) 8 Digital value of Temperature Regulator Flap Motor Position Sensor (G92) 9 Delta value of Temperature Regulator Flap 10 Non-corrected specified value of Temperature Regulator Flap 11 Digital value of Central Flap Motor Position Sensor (G112) 12 Specified value for Central Flap 13 Digital value of Footwell/Defroster Flap Motor Position Sensor (G114) 14 Specified value of Footwell/Defroster Flap 15 Digital value of Back Pressure Flap Motor Position Sensor (G113) (Not installed in US/Canada models) 16 Specified value of Back Pressure Flap 17 Vehicle Speed (km/h) 18 Actual Fresh Air Blower voltage (Volts) 19 Specified Fresh Air Blower voltage (Volts)
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20 A/C Compressor (A/C Clutch) voltage (Volts) 21 Number of low voltage occurrences, non-transient 22 Cycle condition of A/C Refrigerant High Pressure Switch (F118) 23 Cyclings of the A/C Refrigerant High Pressure Switch (F118) 24 Cyclings of the switches, absolute non-fluctuating 25 Analog/Digital value, Kick-Down Switch 26 Analog/Digital value, Engine Coolant Temperature (ECT) Warning Light 27 Coding value 28 Engine Speed (RPM) 29 A/C Compressor speed in RPM (Should equal Engine Speed x 1.28) 30 Software version 31 Display check (all segments of A/C Control Head display light up) 32 Position Sensor malfunction counter, Temperature Regulator Flap 33 Position Sensor malfunction counter, Central Flap 34 Position Sensor malfunction counter, Footwell/Defroster Flap 35 Position Sensor malfunction counter, Air Flow Flap 36 Feedback value, cold end-stop, Temperature Regulator Flap Motor Position Sensor (G92)
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Climate control Original version without sun sensor, used through 1995

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