Jetta Sedan L5-2.5L (BGP) (2005)
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Remove right vehicle floor covering - arrows -.
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Disconnect 4-pin harness connector (black) - 1 - to Oxygen Sensor (O2S (in Center Three Way Catalytic Converter (TWC), Bank 1 G465.
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Connect multimeter V.A.G 1526 for voltage measurement to terminals 3 + 4 of connector to Motronic Engine Control Module (ECM) J220 and
measure primary voltage.
Specification: 0.400 to 0.500 V
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Switch off ignition.
If specification is obtained:
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Replace Oxygen Sensor (O2S (in Center Three Way Catalytic Converter (TWC) G465.
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Erase DTC memory for Motronic Engine Control Module (ECM) J220. See: Testing and Inspection/Scan Tool Testing and Procedures/With
Generic Scan Tool/Diagnostic Mode 4: Reset/Erase Diagnostic Data
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Generate readiness code. See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes/Readiness Code, Generating
If specification is not obtained:
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Test oxygen sensor wires.
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Connect test box to Motronic Engine Control Module (ECM) J220 wiring harness. See: Testing and Inspection/Reading and Clearing Diagnostic
Trouble Codes/Scan Tool Connecting/Test Box, Connecting For Wiring Test