TT Quattro Coupe L4-1.8L Turbo (BEA) (2003)
Power Steering Pressure Switch: Testing and Inspection
Pressure Switch/Power Steering -F88-, Checking
Special tools and equipment
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VAG1526A
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VAG1594A
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VAG1598/31
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VAS5051 with VAG5051/1
or
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VAG1551 with VAG1551/3B
The pressure switch for power steering is used for idle stabilization when steering is turned to full stop (left or right).
Test sequence
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Connect VAS5051 tester or VAG1551 scan tool and select the control module for engine electronics using "address word" 01. See: Powertrain
Management/Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Scan Tool Testing/Scan Tool Connecting
and Initial Checks/Connecting VAS 5051/VAG1551 Scan Tool
Engine must run at idle for this.
Indicated on display:
Rapid data transfer
HELP
Select function XX
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Press buttons -0- and -8- to select "Read Measuring Value Block" and press -Q- button to confirm input.