A6 Sedan V6-2.8L (ATQ) (2000)
Select function XX
-
Press buttons -0- and -8- to select "Read Measuring Value Block" and press -Q- button to confirm input.
When indicated on display:
Read Measuring Value Block
Q
Input display group number XXX
-
Press buttons -0-, -0- and -4- to select "display group number 004" and press -Q- button to confirm input.
Indicated on display:
Read Measuring Value Block 4
->
1
2
3
4
-
Check specified value for Intake Air Temperature (IAT) sensor in display field 4:
Checking wire connections
-
Connect VAG1598/31 test box at wiring harness to ECM, do not connect ECM. Refer to "Scan Tool Testing/Wire And Component Test Using
VAG1598/31 Test Box", See: Powertrain Management/Computers and Control Systems/Testing and Inspection
-
Check the following wire connections for open circuit and short circuit to Ground (GND) and B+:
Harness connector Terminal
VAG1598/31 test box Socket
1
85
2
108
-
Check both wires to each other for short circuit.
-
Repair open circuit or short circuit if necessary.