Toyota Tundra Service Manual: Stop Light Switch

Components

COMPONENTS

ILLUSTRATION

Inspection

INSPECTION

PROCEDURE

1. INSPECT STOP LIGHT SWITCH ASSEMBLY

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

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

1 - 2

Pushed

10 kΩ or higher

Not pushed

Below 1 Ω

3 - 4

Pushed

Below 1 Ω

Not pushed

10 kΩ or higher

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

Text in Illustration

*a

Component without harness connected

(Stop Light Switch Assembly)

*b

Pushed

*c

Not pushed

Installation

INSTALLATION

PROCEDURE

1. INSTALL STOP LIGHT SWITCH MOUNTING ADJUSTER

(a) Attach the 2 claws to install a new stop light switch mounting adjuster.

2. INSTALL STOP LIGHT SWITCH ASSEMBLY

(a) Install the stop light switch assembly to the stop light switch mounting adjuster until the switch body slightly touches the brake pedal.

NOTICE:

Do not depress the brake pedal.

Text in Illustration

*1

Brake Pedal

*2

Stop Light Switch Mounting Adjuster

*3

Stop Light Switch Assembly

(b) Rotate the stop light switch assembly clockwise so that the clearance is between 1.5 and 2.5 mm (0.0590 and 0.0984 in.) as shown in the illustration.

NOTICE:

Do not depress the brake pedal.

Text in Illustration

*1

Shaft

*2

Stop Light Switch Assembly

*a

1.5 to 2.5 mm

(c) Check the stop light switch assembly clearance.

Stop light switch assembly clearance:

1.5 to 2.5 mm (0.0590 to 0.0984 in.)

(d) Connect the connector to the stop light switch assembly.

(e) Install the stop light switch cover.

Removal

REMOVAL

PROCEDURE

1. REMOVE STOP LIGHT SWITCH ASSEMBLY

(a) Partially remove the stop light switch cover.

(b) Disconnect the connector.

(c) Turn the stop light switch assembly counterclockwise and remove the stop light switch assembly.

2. REMOVE STOP LIGHT SWITCH MOUNTING ADJUSTER

(a) Using a screwdriver, detach the 2 claws and remove the stop light switch mounting adjuster.

HINT:

Tape the screwdriver tip before use.

Text in Illustration

*1

Tape

    Removal

    Meter / Gauge / Display

    See More:

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    TERMINALS OF ECU TERMINALS OF ECU *a Component without harness connected (Skid Control ECU (Brake Actuator Assembly)) - - Terminal No. (Symbol) Terminal Description     1 (+BM) ABS motor relay power supply 2 (STP) Stop light switch assembly input 3 - 4 (SP1) Speed signal output for speedom ...

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