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.
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Front Power Seat Control System (w/ Memory): How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the front power seat control system (w/ Memory).
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CUSTOMER PROBLEM ANALYSIS (a) Interview the customer to confir ...
Lexus RX (RX 350L, RX450h) 2016-2024 Owners Manual > Before driving: Trailer towing (vehicles
without towing
package)
Lexus does not recommend towing a trailer with your vehicle. Lexus also
does
not recommend the installation of a tow hitch or the use of a tow hitch carrier
for a wheelchair, scooter, bicycle, etc. Your vehicle is not designed for
trailer
towing or for the use of tow hitch mounted carriers.
...