Golf GTI L4-2.0L (ABA) (1997)
Throttle Position Sensor: Testing and Inspection
NOTE: IF The Throttle Valve Control Module -J338- Is Removed And Installed Or Replaced, "Basic Setting" Function O4 Must Be Initiated For
Matching Of System Components.
Special Tools, Testers And Auxiliary Items
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VAG 1551/1552 Scan Tool With VAG 1551/3 Adapter Cable
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VAG 1598/18 Test Box
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Multimeter (Fluke 83 Or Equivalent)
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Connector Test Kit VW 1594
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Wiring Diagram
Checking Voltage Supply
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Separate 8-pin connector to throttle valve control module -J338-.
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Connect multimeter using test leads from VW 1594 to measure voltage at terminals 3 and 7 of connector.
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Switch ignition on.
Specification: 9.0-14.5 volts
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Connect multimeter using adapter cables from VW 1594 to measure voltage at terminals 4 and 7 of connector.
Specification: 4.0-6.0 volts
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Switch ignition off.
If the specifications are not attained:
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Connect VAG 1598/18 test box to ECM wiring harness.
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Check wiring between test box and 8-pin connector for open circuit according to wiring diagram.
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Terminal 3 and test box socket 10
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Terminal 4 and test box socket 41
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Terminal 7 and test box socket 33
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Resistance: Maximum 1.5 ohms