New Beetle L4-1.8L Turbo (BNU) (2005)
-
Disconnect 2-pin connector from Intake Air Temperature (IAT) Sensor 2 -G299- (arrow).
-
Remove Intake Air Temperature (IAT) Sensor 2 -G299-. Re-connect connector.
-
Spray sensor with commercially available chilling spray while observing the temperature value. The temperature must decrease.
-
End diagnosis and switch ignition off.
If the intake air temperature does not drop:
-
Replace Intake Air Temperature (IAT) Sensor 2 -G299-.
-
Erase DTC memory of Engine Control Module (ECM). Diagnostic mode 4: Reset/erase diagnostic data.
-
Generate readiness code.
Continuation of test if indication is approx. -40 degrees C:
-
Disconnect 2-pin connector from Intake Air Temperature (IAT) Sensor 2 -G299- (arrow).