infiniti Workshop Repair Guides

Infiniti Workshop Service and Repair Manuals

Front Heated Oxygen Sensor - Right Bank|Page 4538 > < Front Heated Oxygen Sensor - Right Bank|Page 4536
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1. Check resistance between terminals (4) and (1).

Resistance: 2.3 - 4.3 Ohms at 25°C (77°F) 

2. Check continuity.

If NG, replace the rear heated oxygen sensor.

CAUTION: Discard any heated oxygen sensor which has been dropped or undergone shocks; use a new one.

Rear Heated Oxygen Sensor Heater - Right Bank

COMPONENT INSPECTION
Rear heated oxygen sensor heater

1. Check resistance between terminals (4) and (1).

Front Heated Oxygen Sensor - Right Bank|Page 4538 > < Front Heated Oxygen Sensor - Right Bank|Page 4536