Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual: Brake Pedal Load Sensing Switch
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT BRAKE PEDAL SUPPORT ASSEMBLY
| (a) Make sure that there is no looseness in the locking part and the connecting part of the connector. |
|
(b) Disconnect the brake pedal load sensing switch (brake pedal support assembly) connector.
(c) Check both the connector case and the terminal for deformation and corrosion.
OK:
No deformation or corrosion.
NOTICE:
- Do not remove the brake pedal load sensing switch from the brake pedal support assembly.
- When there is a malfunction in the brake pedal load sensing switch, replace the brake pedal support assembly.
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 2 (FSW+) - 1 (FSW-) | Brake pedal load sensing switch off (Brake pedal depressed) | 950 to 1050 Ω |
| 2 (FSW+) - 1 (FSW-) | Brake pedal load sensing switch on (Brake pedal released) | 203 to 223 Ω |
If the result is not as specified, replace the brake pedal load sensing switch (brake pedal support assembly).
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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