New Beetle L4-1.8L Turbo (AWV) (2005)
-
Bridge terminals 1 + 2 of connector using the respective adapter cables while observing the indication on display.
If indication jumps to approx. 143 degrees C:
-
End diagnosis and switch ignition off.
-
Replace Intake Air Temperature (IAT) Sensor -G42-.
-
Erase DTC memory of Engine Control Module (ECM). Diagnostic mode 4: Reset/erase diagnostic data. See: Testing and Inspection/Scan Tool
Testing and Procedures/With Generic Scan Tool/Diagnostic Mode 4: Reset/Erase Diagnostic Data
-
Generate readiness code. See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
If indication remains at approx. -40 degrees C:
-
End diagnosis and switch ignition off.
-
Check wires to control module according to wiring diagram.
Continuation of test if indication is approx. 143 degrees C:
-
Disconnect 2-pin connector from Intake Air Temperature (IAT) Sensor -G42- (arrow).
If indication jumps to approx. -40 degrees C:
-
End diagnosis and switch ignition off.
-
Replace Intake Air Temperature (IAT) Sensor -G42-.
-
Erase DTC memory of Engine Control Module (ECM). Diagnostic mode 4: Reset/erase diagnostic data. See: Testing and Inspection/Scan Tool
Testing and Procedures/With Generic Scan Tool/Diagnostic Mode 4: Reset/Erase Diagnostic Data
-
Generate readiness code. See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
If indication remains at approx. 143 degrees C:
-
End diagnosis and switch ignition off.
-
Check wires to control module according to wiring diagram.
Check wires to control module
-
Connect test box to control module wiring harness. connect test box for wiring test. See: Testing and Inspection/Reading and Clearing Diagnostic
Trouble Codes/Scan Tool Connecting/Test Box, Connecting For Wiring Test