Inspection [10/2022 - ]: Procedure
WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT VSC OFF SWITCH (ELECTRIC PARKING BRAKE SWITCH ASSEMBLY)
- Measure the resistance according to the value(s) in the table below.
*a Component without harness connected
VSC OFF Switch (Electric Parking Brake Switch Assembly)Standard Resistance
Tester Connection Condition Specified Condition Result C29-4 (+) - C29-7 (E) Switch pushed Below 1 Ω Ω C29-4 (+) - C29-7 (E) Switch not pushed 10 kΩ or higher kΩ
- Measure the resistance according to the value(s) in the table below.
- INSPECT BRAKE HOLD SWITCH (ELECTRIC PARKING BRAKE SWITCH ASSEMBLY)
- Measure the resistance according to the value(s) in the table below.
*a Component without harness connected
Brake Hold Switch (Electric Parking Brake Switch Assembly)Standard Resistance
Tester Connection Condition Specified Condition Result C29-3 (+B) - C29-7 (E) Switch pushed Below 1 Ω Ω C29-3 (+B) - C29-7 (E) Switch not pushed 10 kΩ or higher kΩ
- Measure the resistance according to the value(s) in the table below.
- INSPECT DOWNHILL ASSIST CONTROL SWITCH (ELECTRIC PARKING BRAKE SWITCH ASSEMBLY)
- Measure the resistance according to the value(s) in the table below.
*a Component without harness connected
Downhill Assist Control Switch (Electric Parking Brake Switch Assembly)Standard Resistance
Tester Connection Condition Specified Condition Result C29-13 (B) - C29-7 (E) Switch pushed Below 1 Ω Ω C29-13 (B) - C29-7 (E) Switch not pushed 10 kΩ or higher kΩ
- Measure the resistance according to the value(s) in the table below.
- INSPECT BRAKE VACUUM CHECK VALVE ASSEMBLY