Passat Sedan L4-1781cc 1.8L Turbo (AEB) (1999)
If display is above 90 <°:
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Press -> button.
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Press 0 and 6 buttons to select Function 06: "End data output"
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Press Q button to enter input
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Switch OFF ignition.
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Replace Throttle Body Control Module J338.
If Display is 0 <°:
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Press -> button.
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Press 0 and 6 buttons to select Function 06: "End data output"
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Press Q button to enter input
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Switch OFF ignition.
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Check Throttle Body Control Module Voltage supply and wiring to Control Module See below.
Voltage supply and wiring OK:"
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Replace Engine Control Module
Continuation of check when Display is above 90 <°:
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Disconnect 8-pin harness connector to Throttle Body Control Module.
If Display is 0 <°:
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Press -> button.
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Press 0 and 6 buttons to select Function 06: "End data output"
-
Press Q button to enter input
-
Switch OFF ignition.
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Replace Throttle Body Control Module J338.
If display is above 90 <°:
-
Press -> button.
-
Press 0 and 6 buttons to select Function 06: "End data output"
-
Press Q button to enter input
-
Switch OFF ignition.
-
Check Throttle Body Control Module Voltage supply and wiring to Control Module. See below.
If Voltage supply and wiring OK:
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Replace Engine Control Module
Voltage Supply And Wiring To Control Module, Checking:
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Disconnect 8-pin harness connector to Throttle Body Control Module.
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Switch Multimeter to Voltage range
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Connect Multimeter between connector terminals 4 + 7.
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Switch ON ignition.
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Specification: 4.5 Volts minimum
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Switch OFF ignition.
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Connect Multimeter between connector terminals 3 + 7.
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Switch ON ignition.
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Specification: 9 Volts minimum
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Switch OFF ignition.
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Connect VAG 1598/22 Test Box to Engine Control Module harness connector.