New Beetle L4-1.8L Turbo (AWV) (2005)
-
Spray sensor (arrow) with commercially available chilling spray and watch the temperature value. The temperature must decrease.
-
End diagnosis and switch ignition off.
If the intake air temperature does not drop:
-
Replace Mass Air Flow (MAF) Sensor -G70-.
NOTE: The Intake Air Temperature (IAT) sensor -G42- is a component of the Mass Air Flow (MAF) sensor -G70- and cannot be replaced
individually.
-
Erase DTC memory of Engine Control Module (ECM). Diagnostic mode 4: Reset/erase diagnostic data. See: Powertrain Management/Computers
and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/With Generic Scan Tool/Diagnostic Mode 4: Reset/Erase
Diagnostic Data
-
Generate readiness code. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and
Readiness Codes
Continuation of test if indication is approx. -40 degrees C:
-
Disconnect 5-pin connector from Mass Air Flow (MAF) Sensor -G70- with Intake Air Temperature (IAT) Sensor -G42- (arrow).
-
Bridge terminals 1 + 3 of connector using the respective adapter cables while observing the indication on display.