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 > Sliding Roof System: Position Initialization Incomplete (B2343)
    DESCRIPTION This DTC is output when the sliding roof drive gear (sliding roof ECU) has not been initialized. DTC Code DTC Detection Condition Trouble Area B2343 Sliding roof drive gear (sliding roof ECU) has not been initialized Sliding roof switch Roof console box Harness and connector Sliding roof ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.027