transmission AUDI A6 1999 C5 / 2.G AHA Engine Auxiliary Signals Checking Workshop Manual

AUDI A6 1999 C5 / 2.G AHA Engine Auxiliary Signals Checking Workshop Manual A6 1999 C5 / 2.G AUDI AUDI https://www.carmanualsonline.info/img/6/1041/w960_1041-0.png AUDI A6 1999 C5 / 2.G AHA Engine Auxiliary Signals Checking Workshop Manual

Page 5 of 22

AUDI A6 1999 C5 / 2.G AHA Engine Auxiliary Signals Checking Workshop Manual      
Notes:  
     
The A/C compressor is switched off during 
acceleration when the car is stationary or at 
slow speed. 
     At wide open throttle the A/C compressor is 
switched off by the Transm

Page 6 of 22

AUDI A6 1999 C5 / 2.G AHA Engine Auxiliary Signals Checking Workshop Manual 24-167
      
Continuation  
      If the displayed values are NOT OK:  
     
-  Connect VAG1598/22 test box to ECM harness 
connector  page 01
-67
 . 
     
-  Check wiring for open circuit, short c

Page 9 of 22

AUDI A6 1999 C5 / 2.G AHA Engine Auxiliary Signals Checking Workshop Manual      
Read safety precautions for test driving vehicles 
while using test equipment   page 24
-9 . 
     
The speed signal is generated by the vehicle 
speed sensor (at the transmission), and 
process

Page 15 of 22

AUDI A6 1999 C5 / 2.G AHA Engine Auxiliary Signals Checking Workshop Manual 24-172
      
CAN-Bus, checking
 
      When a CAN-Bus malfunction is indicated during 
a check of DTC memory of the Engine Control 
Module (ECM), refer to the following test to 
eliminate the malfunc

Page 16 of 22

AUDI A6 1999 C5 / 2.G AHA Engine Auxiliary Signals Checking Workshop Manual 24-173
      
Checking  
     
-  Check DTC memory of Transmission Control 
Module (TCM). 
       Repair Manual, 5 Spd. Automatic 
Transmission 01V, Repair Group 01        If a DTC regarding the CAN-B