Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM1000000014YNU
Model Year Start: 2018 Model: Camry HV Prod Date Range: [07/2017 - 10/2020]
Title: LIGHTING (EXT): STOP LIGHT SWITCH: ON-VEHICLE INSPECTION; 2018 - 2020 MY Camry HV [07/2017 - 10/2020]

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT STOP LIGHT SWITCH ASSEMBLY

*a

Front view of wire harness connector

(to Stop Light Switch Assembly)

(a) Disconnect the A37 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

A37-7 (B) - A37-2 (GND)

Power switch off

11 to 14 V

A37-6 (B) - A37-2 (GND)

Power switch on (IG)

11 to 14 V

Standard Resistance:

Tester Connection

Condition

Specified Condition

A37-2 (GND) - Body ground

Always

Below 1 Ω

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

(c) Connect the A37 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

A37-1 (OUT) - A37-2 (GND)

Power switch off, brake pedal not depressed

Below 1 V

A37-1 (OUT) - A37-2 (GND)

Power switch off, brake pedal depressed

11 to 14 V

A37-3 (L) - A37-2 (GND)

Power switch off, brake pedal not depressed

Below 1 V

A37-3 (L) - A37-2 (GND)

Power switch off, brake pedal depressed

11 to 14 V

A37-4 (ACC) - A37-2 (GND)

Power switch off

11 to 14 V

A37-5 (L) - A37-2 (GND)

Power switch on (IG), brake pedal not depressed

11 to 14 V

A37-5 (L) - A37-2 (GND)

Power switch on (IG), brake pedal depressed

Below 1 V

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