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Home >> Mazda >> 2006 >> 6 s, 4D Hatchback, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Control System (L3 With TC)) >> Heated Oxygen Sensor (Ho2S) Inspection >> Rear HO2S Circuit Open/Short Inspection (Sensor) >> Notes

Rear HO2S Circuit Open/Short Inspection (Sensor): Notes

WARNING: This page is about a different variant/trim than selected.
Fig 1: Identifying Rear HO2S Connector Terminals
G04325276Courtesy of MAZDA MOTORS CORP.
Fig 2: Identifying PCM Sensor Connector Terminals
G04325277Courtesy of MAZDA MOTORS CORP.
  1. Disconnect the PCM connector.
  2. Disconnect the rear HO2S connector.
  3. Inspect the following wiring harnesses for an open or short circuit. (Continuity inspection)
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