New Beetle L4-2.0L (AZG) (2003)
Manufacturers Scan Tool/DTC Memory Checking and Erasing" See: Powertrain Management/Computers and Control Systems/Testing and
Inspection
-
Read readiness code . If DTC memory has been erased or engine control module was disconnected from permanent positive, readiness code must
be generated again.
Refer to "Monitors, Trips and/or Drive Cycle/Readiness Code, Displaying" See: Powertrain Management/Computers and Control Systems/Testing
and Inspection
Refer to "Monitors, Trips and/or Drive Cycle/Readiness Code, Generating" See: Powertrain Management/Computers and Control Systems/Testing
and Inspection
Checking oxygen sensor wiring, oxygen sensor 2
-
Remove inner plenum chamber cover, left:
-
Connect test box V.A.G 1598/31 to control module wiring harness. Engine control module is not connected by this action.
-
Check wiring for open circuit between test box and 4-pin connector to Motronic control module using wiring diagram.
-
Terminal 3 + socket 68
-
Terminal 4 + socket 69
Wire resistance: Max. 1.5 Ohms
-
Additionally check wiring for short to one another, and for short to battery positive or ground (GND).
Specification: Infinity Ohms
If no wiring problem is detected:
-
Replace Engine Control Module (ECM).