Jetta L4-1.8L Turbo (AWP) (2004)
Tool/DTC Memory Checking and Erasing/Check DTC Memory (Function 02)
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Read readiness code. If DTC memory has been erased or engine control module was disconnected from permanent positive, readiness code must
be generated again: Refer to "Monitors, Trips and/or Drive Cycle (Readiness Codes)/With Manufacturer's Scan Tool/Displaying and Creating
Readiness Codes/Readiness Code, Reading" See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and
Readiness Codes
Engine code AWP, Refer to Monitors, Trips and/or Drive Cycle (Readiness Codes)/With Manufacturer's Scan Tool/Displaying and Creating
Readiness Codes/ Readiness Code, Generating" See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and
Readiness Codes
If no sender malfunction is detected:
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Connect VAG1598/31 test box to control module wiring harness. The engine control module remains disconnected.
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Check wiring between test box and 3-pin connector for open circuit using wiring diagram.
Contact 1+socket 108
Contact 2+socket 90
Contact 3+socket 82
Wire resistance: Max. 1.5 Ohm
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Additionally check wires for short to one another.
If no wiring fault is detected:
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Remove sensor and check sensor wheel for secure fit, damage and run-out.
NOTE: There is a larger gap on the sensor wheel. This gap is the reference mark and does not mean that the sensor wheel is damaged.
If no malfunction is detected on sensor wheel: