Toyota Tundra Service Manual: 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 > Cylinder Head: Repair
    REPAIR PROCEDURE 1. REPAIR INTAKE VALVE SEAT NOTICE: Repair the seat while checking the seating position. Keep the lip free of foreign matter. Take off a cutter gradually to make the intake valve seat smooth. (a) Using a 45° cutter, resurface the valve seat so that the valve seat width is more than ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2025 Copyright www.ttundra.com
    0.0092