Jetta Sedan L5-2.5L (BGP) (2005)
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Disconnect 4-pin harness connector (black) - 1 - to Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC),G130.
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Check resistance for Oxygen Sensor (O2S) Heater 1(behind Three Way Catalytic Converter (TWC)) Z59 at connector to Oxygen Sensor (O2S
behind Three Way Catalytic Converter (TWC),G130 terminal 1 + 2.
Specification: 1.0 to 20.0 Ohms (at room temperature)
If specification is not obtained:
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Replace Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130
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Erase DTC memory for Motronic engine control module (ECM) J220. See: Computers and Control Systems/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: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness
Codes/Readiness Code, Generating
If specification is obtained:
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Connect test box to Motronic Engine Control Module (ECM) J220 wiring harness. See: Computers and Control Systems/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/Test Box, Connecting For Wiring Test
Vehicles with engine code BGP
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Check wires between test box and 4-pin connector for open circuit according to wiring diagram.
Contact
Test box socket
2
63
Wiring resistance: max. 1.5 Ohms