Toyota Yaris: Stop Light Switch / On-vehicle Inspection

Toyota Yaris XP210 (2020-2023) Reapir and Service Manual / Vehicle Exterior / Lighting (ext) / Stop Light Switch / On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT STOP LIGHT SWITCH ASSEMBLY

(a) Disconnect the stop light switch assembly connector.

(b) Measure the voltage and resistance on the wire harness side connector according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Condition

Specified Condition

A63-7 (B) - A63-2 (GND)

Always

11 to 14 V

A63-6 (B) - A63-2 (GND)

Ignition switch on (IG)

11 to 14 V

Standard Resistance:

Tester Connection

Condition

Specified Condition

A63-2 (GND) - Body ground

Always

Below 1 Ω

If the result is not as specified, repair or replace the wire harness or connector.

*a

Front view of wire harness connector

(to Stop Light Switch Assembly)

(c) Reconnect the stop light switch assembly connector.

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

A63- 1 (OUT) - A63-2 (GND)

Brake pedal released

1.5 V or less

A63-1 (OUT) - A63-2 (GND)

Brake pedal depressed

11 to 14 V

A63-3 (L) - A63-2 (GND)

Brake pedal released

1.5 V or less

A63-3 (L) - A63-2 (GND)

Brake pedal depressed

11 to 14 V

A63-4 (ACC) - A63-2 (GND)

Always

11 to 14 V

A63-5 (L) - A63-2 (GND)

Ignition switch on (IG), brake pedal released

7.5 to 14 V

A63-5 (L) - A63-2 (GND)

Ignition switch on (IG), brake pedal depressed

0 to 1.5 V

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

*a

Component with harness connected

(Stop Light Switch Assembly)

    Components

    C..

    Removal

    REMOVAL PROCEDURE 1. REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY Click here 2. REMOVE STOP LIGHT SWITCH ASSEMBLY (a) Disconnect the connector...

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