Beetle L4-1.9L DSL Turbo (ALH) (1998)
Wastegate Actuator: Testing and Inspection
With Manufacturer's Scan Tool
Wastegate Bypass Regulator valve -N75-, checking
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Switch ignition off.
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Disconnect Wastegate Bypass Regulator valve.
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Measure resistance between valve terminals.
Engine code ALH
Specification: 14 to 20 Ohms
If specification not obtained:
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Replace Wastegate Bypass Regulator valve -N75-.
If specification obtained:
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Switch ignition on.
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Measure supply voltage at valve connector terminal 1 and at engine Ground.
Specification: approximately battery voltage
If specification not obtained:
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Switch ignition off.
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Connect test box VAG 1598/22 to ECM wiring harness.
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Check wiring for open circuit between Test Box and harness connector using Wiring diagram.
Up to MY 1999
^
Terminal 1 + sockets 2 + 28