TERMINALS OF ECU
OCCUPANT DETECTION ECU
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| b10-1 (SVC1) - b10-5 (SGD1) | R - G | Front occupant classification sensor LH power supply | Engine switch on (IG) | 11 to 14 V |
| b10-2 (SVC3) - b10-6 (SGD3) | GR - W | Rear occupant classification sensor LH power supply | Engine switch on (IG) | 11 to 14 V |
| b10-3 (SIG1) - b10-5 (SGD1) | P - G | Front occupant classification sensor LH signal | Engine switch on (IG) | Pulse generation |
| b10-4 (SIG3) - b10-6 (SGD3) | SB - W | Rear occupant classification sensor LH signal | Engine switch on (IG) | Pulse generation |
| b10-5 (SGD1) - A-10 (GND) | G - - | Front occupant classification sensor LH ground | Always | Below 1 V |
| b10-6 (SGD3) - A-10 (GND) | W - - | Rear occupant classification sensor LH ground | Always | Below 1 V |
| A-4 (CANL) - A-10 (GND) | - | CAN communication line | Engine switch on (IG) | Pulse generation |
| A-5 (CANH) - A-10 (GND) | - | CAN communication line | Engine switch on (IG) | Pulse generation |
| A-6 (IG2) - A-10 (GND) | - | Power source | Engine switch on (IG) | 11 to 14 V |
| A-7 (BSW) - A-9 (BGND) | - | Passenger side buckle switch signal | Always | Pulse generation |
| A-9 (BGND) - A-10 (GND) | - | Passenger side buckle switch ground | Always | Below 1 V |
| A-10 (GND) - Body ground | - | Ground | Always | Below 1 V |
Problem Symptoms Table
Diagnosis SystemLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Power Steering System: Torque Sensor1 (C1511-C1514,C1517)
DESCRIPTION The torque sensor converts the rotational torque received from the steering wheel into electric signals and sends them to the power steering ECU assembly. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition Note C1511 ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Front Camera System: Front Recognition Camera Optical Axis Misalignment Malfunction (C1AA800)
DESCRIPTION The forward recognition camera monitors its optical axis status. If it determines that the optical axis alignment has become misaligned, it will store DTC C1AA800. DTC No. Detection Item DTC Detection Condition Trouble Area C1AA800 Front Recognition Camera Optical Axis Mis ...