New Beetle L4-1.8L Turbo (AWV) (2005)
If indication jumps to approx. 143 degrees C:
-
End diagnosis and switch ignition off.
-
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
If indication remains at approx. -40 degrees C:
-
End diagnosis and switch ignition off.
-
Check wires to control module according to wiring diagram % page 24-102.
Continuation of test if indication is approx. 143 degrees C:
-
Disconnect 5-pin connector from Mass Air Flow (MAF) Sensor -G70- with Intake Air Temperature (IAT) Sensor -G42- (arrow).
If indication jumps to approx. -40 degrees C:
-
End diagnosis and switch ignition off.
-
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
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: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/Test Box, Connecting For Wiring Test