volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Variable Induction Position Sensor|Testing and Inspection|Page 3235 > < Turbo Boost Sensor|Locations|Page 3231
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Variable Induction Position Sensor: Testing and Inspection

Diagnostic Procedures

Intake Manifold Runner Position Sensor, Checking

Special tools, testers and auxiliary items required

‹› multimeter.

‹› Wiring diagram.

Test requirements

‹›  The Motronic Engine Control Module (ECM) (J623) fuses OK.

‹› Battery voltage at least 12.5 volts.

‹› All electrical consumers such as, lights and rear window defroster, switched off.

‹› Vehicles with automatic transmission, shift selector lever into position " P" or "N".

‹› A/C switched off.

‹› Ground (GND) connections between engine/transmission/chassis OK.

‹› Ignition switched off.

Test procedure

-

Perform a preliminary check to verify the customers complaint. Refer to --> [ Preliminary Check ] See: Computers and Control Systems/Testing
and Inspection/Scan Tool Testing and Procedures/Preliminary Check

Start diagnosis

-

Remove the engine cover with air filter. 

-

Disconnect the Intake Manifold Runner Position Sensor (G336) electrical harness connector - arrow -. 

Variable Induction Position Sensor|Testing and Inspection|Page 3235 > < Turbo Boost Sensor|Locations|Page 3231