Jetta Sedan L5-2.5L (BGP) (2005)
-
Check wires between test box and 4-pin connector for open circuit according to wiring diagram.
Contact
Test box socket
3
68
4
69
Wiring resistance: max. 1.5 Ohms
-
Check wires for short circuit to each other, to B+ and Ground (GND).
Specification: Infinite Ohms
-
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
-
Generate readiness code. See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness
Codes/Readiness Code, Generating
If there is no malfunction in wire connection:
-
Replace Motronic Engine Control Module (ECM) J220.
Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130 and Oxygen Sensor
Control After Catalytic Converter, Checki
Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130 And Oxygen Sensor Control After Catalytic Converter, Checking
NOTE:
-
Vehicle must be raised before connector for Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130 is accessible.
-
When servicing terminals 3 and 4 in harness connector of Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130, use only
gold-plated terminals.
Special tools, testers and auxiliary items required
-
Hand multimeter V.A.G 1526 or Multimeter V.A.G 1715
-
Connector test set V.A.G 1594
-
Wiring diagram
Test conditions
-
The respective fuse of Oxygen Sensor (O2S (in Center Three Way Catalytic Converter (TWC), Bank 1 G130 must be OK.
-
Battery voltage must be at least 11.5 Volts.
-
All electrical consumers such as, lights and rear window defroster must be switched off.