Cabrio L4-2.0L (ABA) (1996)
Engine Speed Sensor: Testing and Inspection
Special Tools, Testers And Auxiliary Items
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VAG 1598/18testbox
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Multimeter (Fluke 83 Or Equivalent)
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Connector Test Kit VW 1594
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Wiring Diagram
Test Sequence
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Disconnect 3-pin connector to engine speed sensor -1-.
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Connect VAG 1598/18 test box to ECM wiring harness.
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Check wiring between test box and 3-pin connector for open circuit using wiring diagram.
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Terminal 1 and test box socket 67
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Terminal 2 and test box socket 68
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Terminal 3 and test box socket 56
Resistance:Maximum 1.5 ohms
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Additionally, check wiring for short circuit to one another.
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Terminal 2 and test box socket 56
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Terminal 1 and test box socket 56
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Terminal 1 and test box socket 68
Specification: Infinite Ohms
If no wiring malfunction is detected:
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Replace engine speed sensor -G28-.
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Read the readiness code. If DTC memory has been erased, repair must be verified via appropriate display group: Readiness code, creating.