Toyota Tundra Service Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT INTERIOR ROOM 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

6 (FCTY) - 11 (FLMP)

Interior room light switch DOOR

Below 1 Ω

11 (FLMP) - 8 (E)

Interior room light switch ON

Below 1 Ω

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

Text in Illustration

*a

Component without harness connected

(Interior Room 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 interior room light switch assembly.

Text in Illustration

*a

Component without harness connected

(Interior Room Light Switch Assembly)

    Components

    Installation

    See More:

    Toyota Tundra Service Manual > Sfi System: Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1) (P2195-P2198)
    DESCRIPTION The A/F sensor generates a voltage* that corresponds to the actual air-fuel ratio. This sensor voltage is used to provide the ECM with feedback so that it can control the air-fuel ratio. The ECM determines the deviation from the stoichiometric air-fuel ratio, and regulates the fuel injec ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2025 Copyright www.ttundra.com
    0.0234