Toyota Tundra Service Manual: Inspection

Toyota Tundra Service Manual / Engine, Hybrid System / 1ur-fe Emission Control / Air Pump / Inspection

INSPECTION

PROCEDURE

1. INSPECT AIR PUMP ASSEMBLY

(a) Check the heater resistance.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 (APH+) - 3 (APHG)

-20°C (-4°F)

4.4 to 20.0 Ω

-10°C (14°F)

3.9 to 18.0 Ω

0°C (32°F)

3.5 to 16.0 Ω

10°C (50°F)

3.2 to 15.0 Ω

20°C (68°F)

3.0 to 14.0 Ω
Text in Illustration

*a

Component without harness connected

(Air Pump Assembly)

If the result is not as specified, replace the air pump assembly.
    Components

    Installation

    See More:

    Toyota Tundra Service Manual > Power Window Control System(w/ Jam Protection Function): Fail-safe Chart
    FAIL-SAFE CHART 1. POWER WINDOW OPERATION IN FAIL-SAFE MODE HINT: If the pulse sensor built into the power window regulator motor malfunctions, the power window control system enters fail-safe mode. (a) The power window control system prohibits the following power window operation when the pulse sen ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2025 Copyright www.ttundra.com
    0.0098