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Home >> Mazda >> 2006 >> 6 s, 4D Wagon, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Control System (L3)) >> Heated Oxygen Sensor (Ho2S) Inspection >> Except for California Emission Regulation Applicable ATX Model >> Rear HO2S circuit open/short inspection (heater)

Rear HO2S circuit open/short inspection (heater)

WARNING: This page is about a different variant/trim than selected.
Fig 1: Identifying Rear HO2S Wiring Harness Side Connector Terminals
G04325187Courtesy 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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