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 > Audio And Visual System: Microphone Circuit between Microphone and Radio Receiver
    DESCRIPTION This circuit sends a microphone signal from the telephone microphone assembly to the radio and display receiver assembly. It also supplies power from the radio and display receiver assembly to the telephone microphone assembly. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR (RAD ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2025 Copyright www.ttundra.com
    0.0099