Toyota Tundra Service Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT DECK LIGHT SWITCH ASSEMBLY

(a) Check the resistance.

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

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

5 (CCTY) - 9 (CGON)

Cargo light switch ON

Below 1 Ω

Cargo light switch DOOR

Cargo light switch OFF

10 kΩ or higher

10 (CGLP) - 7 (E)

Cargo light switch ON

Below 1 Ω

Cargo light switch DOOR

10 kΩ or higher

Cargo light switch OFF

If the result is not as specified, replace the deck light switch assembly.

Text in Illustration

*a

Component without harness connected

(Deck Light Switch Assembly)

(b) Check the illumination.

(1) Apply battery voltage to the connector and check the illumination condition.

OK:

Measurement Condition

Specified Condition

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

Battery negative (-) → Terminal 4 (ILL-)

Illuminates

If the result is not as specified, replace the deck light switch assembly.

Text in Illustration

*a

Component without harness connected

(Deck Light Switch Assembly)

    Components

    Installation

    See More:

    Toyota Tundra Service Manual > Can Communication System: How To Proceed With Troubleshooting
    CAUTION / NOTICE / HINT PRECAUTIONS WHEN TROUBLESHOOTING NOTICE: Because the order of diagnosis is important to allow correct diagnosis, make sure to begin troubleshooting using How to Proceed with Troubleshooting when CAN communication system related DTCs are output. If the CAN communication system ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.0189