Audi AMB Service Manual page 632

ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
Multimeter VAG1526A or equivalent

Connector test set VAG1594A

Adapter VAG1598/31

Vehicle Diagnostic, Testing and Information System VAS5051 VAS5051 with VAS5051/1

or
Scan Tool VAG1551 with VAG1551/3A

Requirement
Vehicle Diagnostic, Testing and Information System VAS5051 or Scan Tool VAG1551 must be

connected.
Work sequence
NOTE:
The Charge air pressure sensor G31 and its wiring are monitored by the

engine control module.
Read DTC memory of engine control module.

If display shows a DTC relating to Charge air pressure sensor G31 :
Checking power supply
Fig. 320: Disconnecting Connector On Charge Air Pressure Sensor
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Disconnect connector - arrow - on charge air pressure sensor.

2005 Audi A4 Quattro
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