DESCRIPTION
This DTC is stored when the blind spot monitor sensor LH detects a short to ground in the outer rear view mirror indicator LH.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
C1AB2 | Short to GND in Outer Mirror Indicator(Master) | Both of the following conditions are met:
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When checking for DTCs, make sure that the blind spot monitor system is turned on.
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 Master > Trouble CodesOK:
No DTCs are output.
OK | ![]() | USE SIMULATION METHOD TO CHECK |
|
2. | CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH - OUTER MIRROR CONTROL ECU ASSEMBLY LH) |
(a) Disconnect the X2 blind spot monitor sensor LH connector.
(b) Disconnect the N4 outer mirror control ECU assembly LH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Always |
---|---|---|
X2-4 (OMIL) - Body ground | Always | 10 kΩ or higher |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. | INSPECT OUTER REAR VIEW MIRROR ASSEMBLY LH |
(a) Disconnect the z12 outer rear view mirror assembly LH connector.
(b) Disconnect the IND1 outer mirror LH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Always |
---|---|---|
z12-8 (BSM+) - Body ground | Always | 10 kΩ or higher |
NG | ![]() | REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH |
|
4. | INSPECT OUTER MIRROR CONTROL ECU ASSEMBLY LH |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() | REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY LH |
|
5. | INSPECT OUTER MIRROR LH |
(a) Remove the outer mirror LH.
Click here
(b) Inspect the outer rear view mirror indicator LH on the outer mirror LH.
Click here
OK | ![]() | REPLACE BLIND SPOT MONITOR SENSOR LH |
NG | ![]() | REPLACE OUTER MIRROR LH |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Panoramic Moon Roof System: Customize Parameters
CUSTOMIZE PARAMETERS CUSTOMIZE PANORAMIC MOON ROOF SYSTEM NOTICE:
When the customer requests a change in a function, first make sure that the function can be customized.
Be sure to make notes of the current settings before customizing.
When troubleshooting a function, first make sure that the ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Sfi System: Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Ground (P011011)
DESCRIPTION The intake air temperature sensor, mounted on the mass air flow meter sub-assembly, monitors the intake air temperature. The intake air temperature sensor has a built-in thermistor with a resistance that varies according to the temperature of the intake air. When the intake air temperat ...