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

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    INSPECTION PROCEDURE 1. INSPECT NO. 1 ULTRASONIC SENSOR (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 1 (BI) - 5 (EI) Always 10 kΩ or higher 1 (BI) - 2 (BO) Always 10 kΩ or higher 3 (SI) - 4 (SO) Always ...

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