Check Harness And Connector Af Sensor

Wire Harness Side:

(A^ A/F Sensor Connector

A1A+

Sensor 1 Front View

ECM Connector

ECM Connector

A113406E02

(a) Disconnect the A4 A/F sensor connector.

(b) Turn the ignition switch to ON.

(c) Measure the voltage between the +B terminal of the A/F sensor connector and body ground.

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