LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Audi >> 2012 >> A4 2.0T >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> 2.0L - Generic Scan Tool - Engine Code(S): CAEB (Sedan) >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Intake Air Temperature Sensor, Checking >> Testing If Display Approx. -40° C Or Approx. -46° C:
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Testing If Display Approx. -40° C Or Approx. -46° C:

-- Disconnect the Intake Air Temperature (IAT) Sensor -G42- electrical harness connector -1-.

Fig 1: Locating Intake Air Temperature (IAT) Sensor & Throttle Valve Control Module Connector
GWWA24-10142Courtesy of AUDI OF AMERICA, LLC

-- Using a jumper wire, connect the Intake Air Temperature (IAT) Sensor -G42- electrical harness connector terminals 1 to 2.

-- Check the value indicated on the scan tool display.

If indication jumps to approx. 140° C:

-- End diagnosis and switch ignition off.

-- Replace the Intake Air Temperature (IAT) Sensor -G42-. Refer to appropriate service information.

If indication remains at approx. -40° C or -46° C:

scientia non olet · About LEMON Manuals