audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Engine Speed (RPM) Sensor, Checking|Page 2216 > < Engine Speed (RPM) Sensor, Checking
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Check wiring for open circuit, or short circuit to B+ or Ground, between 3-pin connector (sensor coupling) and ECM.

RPM sensor coupling terminal

VAG1598/19 test box socket (ECM terminal)

1

A18

2

A17

3

D11 (Ground)

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If there are no open or short circuits:

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Replace ECM and generate new readiness code. Refer "Monitors, Trips and/or Drive Cycle (Readiness Code)/Generating, Readiness Code" See:
Testing and Inspection 

Engine Speed (RPM) Sensor, Checking|Page 2216 > < Engine Speed (RPM) Sensor, Checking