nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Evaporative Emissions System > < Positive Temperature Coefficient (PTC) Heater <--> [EFE Heater]|Testing and Inspection
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Emissions Maintenance Light: Service and Repair

Fig. 8 Oxygen Sensor Warning Light Harness

After the vehicle has been operated for 30,000 miles the oxygen sensor warning light located on the instrument panel will come on, indicating that the
oxygen sensor should be checked.
After verifying oxygen sensor operation, reset the warning light by disconnecting the wire above the hood release, Fig. 8.  

Evaporative Emissions System > < Positive Temperature Coefficient (PTC) Heater <--> [EFE Heater]|Testing and Inspection