Passat Sedan L4-1781cc 1.8L Turbo (AEB) (1999)
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Replace Engine Coolant Temperature sensor G62.
When Display is approx. 141 °C:
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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 wiring using Wiring diagram.
Wiring, checking
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Connect VAG 1598/22 Test Box to Control Module harness connector.
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Disconnect 4-pin harness connector -1- from Engine Coolant Temperature sensor G62 -2-
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Check wire for open circuit between Test Box socket 67 and 4-pin harness connector terminal 3 using Wiring diagram.
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Wire resistance: Max. 1.5 Ohms
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Check wire for open circuit between Test Box socket 53 and 4-pin harness connector terminal 1 using Wiring diagram.
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Wire resistance: Max. 1.5 Ohms
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Check 4-pin connector wires for short using Wiring diagram.
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Terminal 1 + Test Box socket 67
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Terminal 1 + vehicle Ground
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Specification: Infinity Ohms