volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Heated Oxygen Sensor (HO2S) G39 and Oxygen Sensor Regulation Before Catalytic Converter, Checking|Page 5220 > < Heated Oxygen Sensor (HO2S) G39 and Oxygen Sensor Regulation Before Catalytic Converter, Checking|Page 5218
Page 3
background image

If no malfunctions are found in wiring:

-

Replace the Engine Control Module (ECM) J623.

Final procedures

After the repair work, the following work steps must be performed in the following sequence:

1. Check the DTC memory. See: Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Mode 03: Interrogating Fault Memory
2. If necessary, erase the DTC memory. See: Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Mode 04: Reset/Delete

Diagnostic Data

3. If the DTC memory was erased, generate readiness code. See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes

-

End of diagnosis.

Heated Oxygen Sensor (HO2S) G39 and Oxygen Sensor Regulation Before Catalytic Converter, Checking|Page 5220 > < Heated Oxygen Sensor (HO2S) G39 and Oxygen Sensor Regulation Before Catalytic Converter, Checking|Page 5218