DESCRIPTION
This DTC is stored when the blind spot monitor sensor RH detects a short to +B in the outer rear view mirror indicator RH.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
C1AB1 | Short to +B in Outer Mirror Indicator(Slave) | 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 Slave > Trouble CodesOK:
No DTCs are output.
OK | ![]() | USE SIMULATION METHOD TO CHECK |
|
2. | CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR INDICATOR CIRCUIT) |
(a) Disconnect the W2 blind spot monitor sensor RH connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
---|---|---|
W2-4 (OMIR) - Body ground | Engine switch on (IG) | Below 1 V |
OK | ![]() | REPLACE BLIND SPOT MONITOR SENSOR RH |
|
3. | CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR INDICATOR CIRCUIT) |
(a) Disconnect the IND2 outer mirror RH connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
---|---|---|
W2-4 (OMIR) - Body ground | Engine switch on (IG) | Below 1 V |
OK | ![]() | REPLACE OUTER MIRROR RH |
|
4. | CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR INDICATOR CIRCUIT) |
(a) Disconnect the z13 outer rear view mirror assembly RH connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
---|---|---|
W2-4 (OMIR) - Body ground | Engine switch on (IG) | Below 1 V |
OK | ![]() | REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH |
|
5. | CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR INDICATOR CIRCUIT) |
(a) Disconnect the M4 outer mirror control ECU assembly RH connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
---|---|---|
W2-4 (OMIR) - Body ground | Engine switch on (IG) | Below 1 V |
OK | ![]() | REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY RH |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Automatic Transaxle System: Intermediate Shaft Speed Sensor "A" Circuit Short to Battery (P079112,P079114,P079131)
DESCRIPTION The transmission revolution sensor (NC) detects the rotation speed of the counter gear which shows the output shaft speed of automatic transaxle assembly. Based on the transmission revolution sensor (NC) signal and the transmission revolution sensor (NT and NC3) signals, the ECM controls ...
Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Sfi System: Lost Communication with TCM Missing Message (U010187)
MONITOR DESCRIPTION The engine control unit and the transmission control unit are located inside the ECM. The engine control unit intercommunicates with the transmission control via CAN communication. If there is a problem in this communication, the ECM store this DTC. DTC No. Detection Item ...