volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Heated Oxygen Sensor (HO2S) G39 and Oxygen Sensor Regulation Before Catalytic Converter, Checking|Page 2036 > < Heated Oxygen Sensor (HO2S) G39 and Oxygen Sensor Regulation Before Catalytic Converter, Checking|Page 2034
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: Powertrain Management/Computers and Control Systems/Testing and Inspection/Scan Tool Testing and

Procedures/Diagnostic Mode 03: Interrogating Fault Memory

2. If necessary, erase the DTC memory. See: Powertrain Management/Computers and Control Systems/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: Powertrain Management/Computers and Control Systems/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 2036 > < Heated Oxygen Sensor (HO2S) G39 and Oxygen Sensor Regulation Before Catalytic Converter, Checking|Page 2034