DESCRIPTION
The blind spot monitor sensor receives vehicle speed signals from the skid control ECU via CAN communication.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
C1A45 | Vehicle Speed Sensor | A fail flag is transmitted from the skid control ECU |
|
CAUTION / NOTICE / HINT
NOTICE:
When checking for DTCs, make sure that the blind spot monitor system is turned on.
PROCEDURE
1. | CHECK OTHER DTC OUTPUT (VEHICLE STABILITY CONTROL SYSTEM) |
(a) Check for vehicle stability control system DTCs.
Click here
OK:
Vehicle stability control system DTCs are not output.
NG | ![]() | GO TO VEHICLE STABILITY CONTROL SYSTEM |
|
2. | CHECK DTC |
(a) Turn the engine switch off.
(b) Turn the engine switch on (IG).
(c) Recheck for DTCs and check if the same DTC is output again.
Body Electrical > Blind Spot Monitor Master > Trouble Codes Body Electrical > Blind Spot Monitor Slave > Trouble Codes Result | Proceed to |
---|---|
No DTCs are output. | A |
DTC C1A45 is output ("Blind Spot Monitor Master"). | B |
DTC C1A45 is output ("Blind Spot Monitor Slave"). | C |
A | ![]() | USE SIMULATION METHOD TO CHECK |
B | ![]() | REPLACE BLIND SPOT MONITOR SENSOR LH |
C | ![]() | REPLACE BLIND SPOT MONITOR SENSOR RH |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Headup Display System: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Headup Display System DTC No. Detection Item Memory Note Link B1321 Lost Communication with EMV DTC stored - U0100 Lost Communication with ECM / PCM "A" DTC stored - U0142 Lost Communication with Body Control Module "B" D ...
Lexus RX (RX 350L, RX450h) 2016-2025 Owners Manual > Steps to take in
an emergency: If the 12-volt battery is
discharged
The following procedures may be used to start the hybrid system if the
vehicle's
12-volt battery is discharged.
You can also call your Lexus dealer or a qualified repair shop.
If you have a set of jumper (or booster) cables and a second vehicle with a
12-volt
battery, you can jump start yo ...