Last Modified: 05-08-2025 6.11:8.1.0 Doc ID: RM100000001EPGI
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 -           ]
Title: LIGHTING (EXT): STOP LIGHT SWITCH: ON-VEHICLE INSPECTION; 2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ]

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT STOP LIGHT SWITCH ASSEMBLY

(a) Disconnect the stop light switch assembly connector.

*a

Front view of wire harness connector

(to Stop Light Switch Assembly)

(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

A40-7 (B) - A40-2 (GND)

Always

11 to 14 V

A40-6 (B) - A40-2 (GND)

Ignition switch on (IG)

11 to 14 V

Standard Resistance:

Tester Connection

Condition

Specified Condition

A40-2 (GND) - Body ground

Always

Below 1 Ω

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

(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

A40- 1 (OUT) - A40-2 (GND)

Brake pedal not depressed

1.5 V or less

A40-1 (OUT) - A40-2 (GND)

Brake pedal depressed

11 to 14 V

A40-3 (L) - A40-2 (GND)

Brake pedal not depressed

1.5 V or less

A40-3 (L) - A40-2 (GND)

Brake pedal depressed

11 to 14 V

A40-4 (ACC) - A40-2 (GND)

Always

11 to 14 V

A40-5 (L) - A40-2 (GND)

Ignition switch on (IG), brake pedal not depressed

7.5 to 14 V

A40-5 (L) - A40-2 (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)