TT L4-1.8L Turbo (BEA) (2004)
Display Group 056
If indications do not resemble description:
Check switch
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Disconnect harness connector at Pressure switch/power steering -F88-, at power steering pump.
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Connect multimeter at switch for resistance measurement.
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Start engine.
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Specification: infinite Ohm (no continuity)
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Turn steering as far to right or left as possible.
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Specification: approx. 0 Ohm
If reading does not change:
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Replace pressure switch/power steering -F88-.
If indication changes:
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Check wire connections.
Checking wire connections
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Connect VAG1598/31 test box at wiring harness to ECM, do not connect ECM. See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/With Manufacturer's Scan Tool/Electrical
Testing Using VAG1598/31 Test Box