Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Volvo >> 1998 >> S70 Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Engine Sensors & Switches >> Heated Oxygen Sensor

Heated Oxygen Sensor

  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.
scientia non olet · About Mike's Workshop Manuals