Toyota 4Runner manuals

Toyota 4Runner: Stop Light Switch

Components

COMPONENTS

ILLUSTRATION


On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT STOP LIGHT SWITCH ASSEMBLY

(a) Disconnect the connector from the stop light switch assembly.


(b) Measure the voltage according to the value (s) in the table below.

Standard Voltage:

Tester Connection

Condition

Specified Condition

A47-7 (B) - A47-2 (GND)

Ignition switch off

11 to 14 V

A47-6 (B) - A47-2 (GND)

Ignition switch ON

11 to 14 V

Text in Illustration

*a

Front view of wire harness connector

(to Stop Light Switch Assembly)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

A47-2 (GND) - Body ground

Always

Below 1 Ω

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


(e) Measure the voltage according to the value (s) in the table below.

Standard Voltage:

Tester Connection

Condition

Specified Condition

A47-1 (OUT) - A47-2 (GND)

Ignition switch off, brake pedal not depressed

Below 1 V

A47-1 (OUT) - A47-2 (GND)

Ignition switch off, brake pedal depressed

11 to 14 V

A47-3 (L) - A47-2 (GND)

Ignition switch off, brake pedal not depressed

Below 1 V

A47-4 (ACC) - A47-2 (GND)

Ignition switch off

11 to 14 V

A47-3 (L) - A47-2 (GND)

Ignition switch off, brake pedal depressed

11 to 14 V

A47-5 (L) - A47-2 (GND)

Ignition switch ON, brake pedal not depressed

11 to 14 V

A47-5 (L) - A47-2 (GND)

Ignition switch ON, brake pedal depressed

Below 1 V

Text in Illustration

*a

Component with harness connected

(Stop Light Switch Assembly)

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

Removal

REMOVAL

PROCEDURE

1. REMOVE STOP LIGHT SWITCH ASSEMBLY

(a) Disconnect the connector.


(b) Turn the stop light switch counterclockwise and remove the stop light switch.

2. REMOVE STOP LIGHT SWITCH MOUNTING ADJUSTER

(a) Remove the stop light switch mounting adjuster.

Installation

INSTALLATION

PROCEDURE

1. INSTALL STOP LIGHT SWITCH MOUNTING ADJUSTER

(a) Install the stop light switch mounting adjuster to the pedal support.

2. INSTALL STOP LIGHT SWITCH ASSEMBLY

(a) Install the stop light switch to the adjuster so that the switch body slightly touches the brake pedal.

Text in Illustration

*1

Brake Pedal

*2

Adjuster

*3

Stop Light Switch

NOTICE:

Do not depress the brake pedal.


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

Torque:

1.5 N·m {15 kgf·cm, 13 in·lbf}

Text in Illustration

*1

Shaft

*2

1.5 to 2.5 mm

*3

Stop Light Switch

NOTICE:

Do not depress the brake pedal.


(c) Check the stop light switch clearance.

Stop light switch clearance:

1.5 to 2.5 mm (0.0590 to 0.0984 in.)

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

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