Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT STOP LIGHT SWITCH ASSEMBLY
| (a) Disconnect the A55 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 |
|---|---|---|
| A55-1 (B) - A55-3 (GND) | Always | 11 to 14 V |
| A55-5 (B) - A55-3 (GND) | Engine switch on (IG) | 11 to 14 V |
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| A55-3 (GND) - Body ground | Always | Below 1 Ω |
If the result is not as specified, repair or replace the wire harness or connector.
| (c) Reconnect the A55 stop light switch assembly connector. |
|
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| A55-2 (L) - A55-3 (GND) | Brake pedal not depressed | Below 1 V |
| A55-2 (L) - A55-3 (GND) | Brake pedal depressed | 11 to 14 V |
| A55-4 (L) - A55-3 (GND) | Engine switch on (IG), brake pedal not depressed | 11 to 14 V |
| A55-4 (L) - A55-3 (GND) | Engine switch on (IG), brake pedal depressed | Below 1 V |
If the result is not as specified, replace the stop light switch assembly.
Components
COMPONENTS ILLUSTRATION *1 STOP LIGHT SWITCH ASSEMBLY - - N*m (kgf*cm, ft.*lbf): Specified torque - - ...
Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during stop ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Climate Control Seat System: Terminals Of Ecu
TERMINALS OF ECU CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (a) Disconnect the J43 air conditioning amplifier assembly connector. (b) Measure the voltage and resistance according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the connector disconnected. ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Fuel System: Precaution
PRECAUTION CAUTION:
The fuel tank assembly is very heavy. Be sure to follow the procedure described in the repair manual, or the fuel tank assembly may fall off the engine lifter.
To prevent serious injury due to fuel spray from the high-pressure fuel lines, always discharge fuel system pressu ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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