Test sequence
WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
- Connect vehicle diagnostic, testing and information system VAS 5051. See VAS 5051 VEHICLE DIAGNOSTIC, TESTING AND INFORMATION SYSTEM, CONNECTING AND SELECTING FUNCTIONS
. Select vehicle system "01 - Engine electronics" in selection. Engine must be running at idle.
Display on VAS 5051:
- Under -1- select diagnostic function "08 - Read measured value block".
Display on VAS 5051:
- Display group input
- Enter "004" for "display group number 004" in zone -2- and confirm entry by pressing -Q- button.
- Check Intake Air Temperature (IAT) sensor in display zone -4-.DISPLAY GROUP 004: INTAKE AIR TEMPERATURE WITH ENGINE AT IDLE
Display zones 1 2 3 4 Display group 004: Intake air temperature with engine at idle Display xxxx rpm xx.x V xxx.x °C xxx.x C Display Engine speed Battery voltage (B+) Coolant temperature Intake air temperature Range -48.0...143.0 °C Specified value xxxx rpm 12.0...15.0 volts 80.0...110.0 °C Between ambient temperature and up to 110 °C (1) (1) If a temperature is displayed which deviates greatly from the ambient temperature of the sensor, check sensor and sensor wiring for terminal resistances and open circuit. - Exit function "08 - Read measured value block" by pressing < button.
Display on VAS 5051: