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Home >> Volvo >> 1995 >> 850 GLT, 4D Sedan, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 17 (Engine Controls - System/Component Tests) >> Engine Sensors & Switches >> Heated Oxygen Sensor

Heated Oxygen Sensor

WARNING: This page is about a different car, the 1996 Volvo 850. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition off. Disconnect ECM connector. Connect Breakout Box (981-3190 ) and Adapter (951-1351 ).
  2. To check oxygen sensor signal, connect ohmmeter between breakout box terminal No. 27 and terminal No. 14 (front sensor) or No. 29 (rear sensor). Ohmmeter should read 1.5-13 ohms.
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