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. |
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(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:
(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).
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Dynamic Torque Control Awd System: Control Module Communication Bus Off (U0073)
DESCRIPTION The 4WD ECU assembly stores this DTC when a communication malfunction is detected. DTC No. Detection Item DTC Detection Condition Trouble Area U0073 Control Module Communication Bus Off
When the following continues for 5 seconds or more:
Signals from the 4WD ECU as ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Park / Neutral Position Switch: Components
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