Toyota Tundra Service Manual: On-vehicle Inspection

Toyota Tundra Service Manual / Engine, Hybrid System / 1ur-fe Engine Control / Heated Oxygen Sensor / On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. CHECK HEATED OXYGEN SENSOR

(a) Disconnect the heated oxygen sensor connector.

(b) Measure the heater resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 (HT1B) - 2 (+B)

(for Bank 1)

20°C (68°F)

11 to 16 Ω

1 (HT2B) - 2 (+B)

(for Bank 2)

If the result is not as specified, replace the heated oxygen sensor.

(c) Connect the heated oxygen sensor connector.

    Installation

    Removal

    See More:

    Toyota Tundra Service Manual > Sfi System: Terminals Of Ecm
    TERMINALS OF ECM 1. CHECK ECM (a) Measure the voltage according to the value(s) in the table below. HINT: The standard voltage between each pair of ECM terminals is shown in the table below. The appropriate conditions for checking each pair of terminals are also indicated. The result of checks shoul ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.0363