Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Air/Fuel Ratio Sensor

INSPECTION

INSPECT HEATER RESISTANCE OF A/F SENSORS (Bank 1 sensor 1, Bank 2 Sensor 1)
a. Disconnect the A/F sensor connector.

b. Using an ohmmeter measure the resistance between terminals +B and HT.
- Resistance:
- At 20 °C (68 °F) 0.8 - 1.4 Ohms
- At 800 °C (1,472 °F) 1.8 - 3.2 Ohms
- If the resistance is not as specified, replace the sensor.
- Torque: 44 Nm (440 kg.cm, 31 ft.lb)
c. Reconnect the A/F sensor connector.