New Beetle GLS L4-2.0L (AZG) (2002)
Refer to "Monitors, Trips and/or Drive Cycle/Readiness Code, Displaying" See: Computers and Control Systems/Testing and Inspection
Refer to "Monitors, Trips and/or Drive Cycle/Readiness Code, Generating" See: Computers and Control Systems/Testing and Inspection
Checking oxygen sensor wiring, oxygen sensor 2
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Remove inner plenum chamber cover, left:
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Connect test box V.A.G 1598/31 to control module wiring harness. Engine control module is not connected by this action.
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Check wiring for open circuit between test box and 4-pin connector to Motronic control module using wiring diagram.
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Terminal 3 + socket 68
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Terminal 4 + socket 69
Wire resistance: Max. 1.5 Ohms
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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:
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Replace Engine Control Module (ECM).