A8 Quattro Sedan V8-4.2L (AUX) (2001)
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Check wiring connection from 3-pin connector (sensor connector) to engine control module for open circuit and/or short circuit to B+ or Ground
(GND)
3-pin connector on wiring
harness, contact
Socket VAG1598/31 test box
1 (shielded)
108
2 (Ground (GND) wire)
90
3 (signal wire)
82
Resistance in wiring: max. 1.5 ohm
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Repair any open/short circuit as necessary. If no malfunctions are identified in the wiring:
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Slowly turn over the engine and check that sensor wheel has no run-out and is securely mounted.
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If no malfunctions have been identified in any of the tests so far, replace Engine Control Module (ECM).
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Display readiness code. If DTC memory was erased generate readiness.
Refer to "Monitors, Trips and/or Drive Cycle (Readiness Codes)/Readiness Code" See: Testing and Inspection
Refer to "Monitors, Trips and/or Drive Cycle (Readiness Codes)/Generating Readiness Code" See: Testing and Inspection