DESCRIPTION
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
C1ABD | Short to +B in Buzzer | Both of the following conditions are met:
|
|
C1ABE | Short to GND or Open in Buzzer | Both of the following conditions are met:
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
PROCEDURE
1. | 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 Slave > Trouble CodesOK:
No DTCs are output.
OK | ![]() | USE SIMULATION METHOD TO CHECK |
|
2. | CHECK HARNESS AND CONNECTOR (RCTA BUZZER - BATTERY AND BLIND SPOT MONITOR SENSOR RH) |
(a) Disconnect the S52 RCTA buzzer (blind spot monitor buzzer) connector.
(b) Disconnect the W2 blind spot monitor sensor RH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
S52-2 (BZN) - W2-3 (BUZ) | Always | Below 1 Ω |
S52-2 (BZN) - Body ground | Always | 10 kΩ or higher |
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
---|---|---|
S52-1 (BZP) - Body ground | Engine switch on (IG) | 11 to 14 V |
S52-1 (BZP) - Body ground | Engine switch off | Below 1 V |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. | REPLACE RCTA BUZZER (BLIND SPOT MONITOR BUZZER) |
(a) Replace the RCTA buzzer (blind spot monitor buzzer).
REAR CROSSING TRAFFIC ALERT BUZZER (w/o Rear No. 2 Seat): Click here
REAR CROSSING TRAFFIC ALERT BUZZER (w/ Rear No. 2 Seat): Click here
|
4. | CHECK DTC |
(a) Clear the DTCs.
Click here
(b) Recheck for DTCs and check if the same DTC is output again.
Body Electrical > Blind Spot Monitor Slave > Trouble CodesOK:
No DTCs are output.
OK | ![]() | END |
NG | ![]() | REPLACE BLIND SPOT MONITOR SENSOR RH |
Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Theft Deterrent System: Theft Warning Siren Circuit
DESCRIPTION The theft warning siren assembly sounds if either of the following conditions is met:
The theft deterrent system is in the alarm sounding state.
The theft warning siren assembly is in the armed state when the power source, ground or communication line is open.
WIRING DIAGRAM CAU ...
Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Headup Display System: Main Switch Circuit
DESCRIPTION The headup display switch assembly (integration control and panel assembly) and headup display (meter mirror sub-assembly) are connected via direct line. The headup display (meter mirror sub-assembly) can be turned off and on by operating the headup display switch assembly (integration c ...