LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 2000 >> Swift GL, Standard >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Fuel System >> Fuel Control >> Heated Oxygen Sensor Heater
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Heated Oxygen Sensor Heater

An electrical heating element is located inside oxygen sensor to bring oxygen sensor up to operating temperature quickly. When vehicle is cold, PCM grounds oxygen sensor heating element circuit. Power to sensor is provided when ignition is on.