audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Turbo Boost Sensor|Testing and Inspection|Page 6289 > < Throttle Drive Angle Sensor 1 (For Electronic Power Control (EPC)) G187|Page 6285
Page 1
background image

Turbo Boost Sensor: Testing and Inspection

Charge Air Pressure Sensor G31, Checking

NOTE:  Use only gold-plated terminals when servicing terminals in harness connector of Charge Air Pressure Sensor G31.

Special tools, testers and auxiliary items required

-

Multimeter.

-

Wiring diagram.

Test requirements

-

The Motronic Engine Control Module (ECM) J220 fuses OK.

-

Battery voltage at least 12.5 volts.

-

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

-

On vehicles with automatic transmission, selector lever in position "P" or "N".

-

A/C switched off.

-

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

-

Ignition switched off.

Procedure

-

Remove the engine cover with air filter.

Test sequence

-

Disconnect the Charge Air Pressure Sensor G31 electrical harness connector - arrow -.

-

Start engine and let it run at idle.

Turbo Boost Sensor|Testing and Inspection|Page 6289 > < Throttle Drive Angle Sensor 1 (For Electronic Power Control (EPC)) G187|Page 6285