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 > Occupant Classification System: Diagnosis System
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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Power Mirror Control System (w/o Memory): Lost Communication with Main Body ECU (U0142)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area U0142 Lost Communication with Main Body ECU No communication with main body ECU (multiplex network body ECU)
CAN communication system
Main body ECU (multiplex network body ECU)
CAUTION / NOTICE / HI ...