Passat Sedan L4-2.0L (ABA) (1996)
Idle/Throttle Speed Control Unit: Testing and Inspection
THROTTLE VALVE CONTROL MODULE, CHECKING
NOTE: If the throttle valve control module -J338- is removed and installed or replaced, "Basic Setting, Initiating (Function 04)" must be initiated for
matching of system components. Refer to "On-Board Diagnostics II With VAG 1551". See: Testing and Inspection
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.