Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM100000001ROZE
Model Year Start: 2021 Model: Camry Prod Date Range: [10/2020 - 08/2021]
Title: LIGHTING (EXT): STOP LIGHT SWITCH: ON-VEHICLE INSPECTION; 2021 MY Camry [10/2020 - 08/2021]

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT STOP LIGHT SWITCH ASSEMBLY (for 7 Pin Type)

(a) Disconnect the A81 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

A81-7 (B) - A81-2 (GND)

Always

11 to 14 V

A81-6 (B) - A81-2 (GND)

Ignition switch ON

11 to 14 V

Standard Resistance:

Tester Connection

Condition

Specified Condition

A81-2 (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) Connect the A81 stop light switch assembly connector.

*a

Component with harness connected

(Stop Light Switch Assembly)

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

A81-1 (OUT) - A81-2 (GND)

Ignition switch off, brake pedal not depressed

Below 1 V

A81-1 (OUT) - A81-2 (GND)

Ignition switch off, brake pedal depressed

11 to 14 V

A81-3 (L) - A81-2 (GND)

Ignition switch off, brake pedal not depressed

Below 1 V

A81-3 (L) - A81-2 (GND)

Ignition switch off, brake pedal depressed

11 to 14 V

A81-4 (ACC) - A81-2 (GND)

Always

11 to 14 V

A81-5 (L) - A81-2 (GND)

Ignition switch ON, brake pedal not depressed

11 to 14 V

A81-5 (L) - A81-2 (GND)

Ignition switch ON, brake pedal depressed

Below 1 V

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

2. INSPECT STOP LIGHT SWITCH ASSEMBLY (for 5 Pin Type)

(a) Disconnect the A38 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

A38-1 (B) - A38-3 (GND)

Always

11 to 14 V

A38-5 (B) - A38-3 (GND)

Ignition switch ON

11 to 14 V

Standard Resistance:

Tester Connection

Condition

Specified Condition

A38-3 (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) Connect the A38 stop light switch assembly connector.

*a

Component with harness connected

(Stop Light Switch Assembly)

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

A38-2 (L) - A38-3 (GND)

Brake pedal not depressed

Below 1 V

A38-2 (L) - A38-3 (GND)

Brake pedal depressed

11 to 14 V

A38-4 (L) - A38-3 (GND)

Ignition switch ON, brake pedal not depressed

11 to 14 V

A38-4 (L) - A38-3 (GND)

Ignition switch ON, brake pedal depressed

Below 1 V

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