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.

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REASSEMBLY CAUTION / NOTICE / HINT HINT: Coat all of the sliding and rotating surfaces with Toyota Genuine Transfer gear oil LF 75W or equivalent before reassembly. PROCEDURE 1. INSTALL TRANSFER CASE OIL SEAL (a) Using SST and a hammer, tap in a new transfer case oil seal as shown in the illustratio ...

Toyota Tundra Service Manual: Inspection

Components

Installation

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