Toyota Tundra Service Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

7 (IG) - 8 (SK)

Sonar switch off

10 kΩ or higher

Sonar switch on

Below 1 Ω

If the result is not as specified, replace the back sonar or clearance sonar switch assembly.

(b) Check that the switch illuminates.

OK:

Tester Connection

Specified Condition

Battery positive (+) → Terminal 1 (ILL+)

Battery negative (-) → Terminal 6 (ILL-)

Illuminates

If the result is not as specified, replace the back sonar or clearance sonar switch assembly.

Text in Illustration

*a

Component without harness connected

(Back Sonar or Clearance Sonar Switch Assembly)

    Components

    Installation

    See More:

    Toyota Tundra Service Manual > Window Defogger System: Parts Location
    PARTS LOCATION ILLUSTRATION *A for Automatic Air Conditioning System *B for Manual Air Conditioning System *1 BACK WINDOW GLASS *2 ENGINE ROOM RELAY BLOCK, JUNCTION BLOCK - DEFOGGER RELAY (DEF) - DEFOG FUSE - NOISE FILTER *3 DRIVER SIDE JUNCTION BLOCK ASSEMBLY - ECU-IG1 NO. 3 FUSE *4 DLC3 *5 AIR CON ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2025 Copyright www.ttundra.com
    0.0126