TERMINALS OF ECU
BLIND SPOT MONITOR SENSOR LH (MASTER)
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| X2-4 (OMIL) - X2-10 (BLGD) | G - W-B | Outer rear view mirror indicator LH power source | Outer rear view mirror indicator LH illuminated | 3.5 to 9.5 V |
| Outer rear view mirror indicator LH blinking | Alternating between 0 to 9.5 V | |||
| Outer rear view mirror indicator LH not illuminated | Below 1 V | |||
| X2-5 (BLB) - X2-10 (BLGD) | SB - W-B | IG power source | Engine switch off | Below 1 V |
| Engine switch on (IG) | 11 to 14 V | |||
| X2-10 (BLGD) - Body Ground | W-B - Body ground | Ground | Always | Below 1 V |
BLIND SPOT MONITOR SENSOR RH (SLAVE)
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| W2-3 (BUZ) - W2-10 (BRGD) | R - W-B | RCTA buzzer (blind spot monitor buzzer) operation signal | RCTA buzzer (blind spot monitor buzzer) not sounding | 11 to 14 V |
| RCTA buzzer (blind spot monitor buzzer) sounding | Alternating between 0 to 14 V | |||
| W2-4 (OMIR) - W2-10 (BRGD) | L - W-B | Outer rear view mirror indicator RH power source | Outer rear view mirror indicator RH illuminated | 3.5 to 9.5 V |
| Outer rear view mirror indicator RH blinking | Alternating between 0 to 9.5 V | |||
| Outer rear view mirror indicator RH not illuminated | Below 1 V | |||
| W2-5 (BRB) - W2-10 (BRGD) | B - W-B | IG power source | Engine switch off | Below 1 V |
| Engine switch on (IG) | 11 to 14 V | |||
| W2-10 (BRGD) - Body Ground | W-B - Body ground | Ground | Always | Below 1 V |
Problem Symptoms Table
Diagnosis SystemLexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > 4wd Control Ecu: Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during 4WD ECU assembly removal/installation are shown below. Necessary Procedures After Parts Removed/Installe ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Blind Spot Monitor System: Blind Spot Monitor Master Module (C1AB6)
DESCRIPTION This DTC is stored when the blind spot monitor sensor LH detects an internal malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area C1AB6 Blind Spot Monitor Master Module The blind spot monitor sensor LH (master) detects an internal malfunction Blind ...