volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Air Injection Pressure Sensor/Switch > < Air Injection Flow Sensor|Testing and Inspection
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Replace the Motronic Engine Control Module (ECM) J623.

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Install the engine cover with air filter.

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 - Read DTC 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 - Erase DTC Memory

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/Readiness Code Description

Air Injection Pressure Sensor/Switch > < Air Injection Flow Sensor|Testing and Inspection