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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 >> Front HO2S circuit open/short inspection (sensor) >> Middle/rear HO2S circuit open/short inspection (heater)

Middle/rear HO2S circuit open/short inspection (heater)

WARNING: This page is about a different variant/trim than selected.
Fig 1: Identifying Middle And Rear HO2S Harness Side Connector Terminals
G04325176Courtesy of MAZDA MOTORS CORP.
  1. Disconnect the PCM connector.
  2. Inspect the following wiring harnesses for an open or short circuit. (Continuity inspection)
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