Check Harness Or Connector Heated Oxygen Sensor

Sensor 2

OX1B

Wire Harness Side:

HT1B

Sensor 2

OX1B

HT1B

Front View

HO2 Sensor Connector

Front View

ECM Connector

ECM Connector

OX1B n E2

A124109E01

(a) Disconnect the H3 HO2 sensor connector.

(b) Turn the ignition switch to ON.

(c) Measure the voltage between the +B terminal of the HO2 sensor connector and body ground.

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