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 > Brake Control / Dynamic Control Systems: Stop Light Control Relay
    On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. CHECK STOP LIGHT CONTROL RELAY (a) Remove the stop light control relays (BRK NO. 1) from the engine room relay block. (b) Measure the resistance according to the value(s) in the table below. Standard resistance: for BRK NO. 1 Tester Connection ...

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    Toyota Tundra Service Manual

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