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Home >> Mazda >> 2004 >> 6 i, 4D Hatchback, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (L3) >> Heated Oxygen Sensor (Ho2S) Inspection >> Circuit Open/Short Inspection (Heater) >> Notes

Circuit Open/Short Inspection (Heater): Notes

  1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION .)
  2. Inspect the following wiring harnesses for open or short circuit. (Continuity check)
Fig 1: Identifying H2OS Harness Connector Side
G01024537Courtesy of MAZDA MOTORS CORP.
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