TERMINALS OF ECU
AIRBAG SENSOR ASSEMBLY
| Terminal No. | Terminal Symbol | Destination |
|---|---|---|
| *: w/ DCM (Telematics Transceiver) | ||
| S100-3 | PLR- | Rear pretensioner squib LH (Rear No. 1 seat outer belt assembly LH) |
| S100-4 | PLR+ | |
| S100-5 | PL+ | Front pretensioner squib LH (Front seat outer belt assembly LH) |
| S100-6 | PL- | |
| S100-7 | ICL- | Curtain shield squib LH (Curtain shield airbag assembly LH) |
| S100-8 | ICL+ | |
| S100-13 | SRL+ | Rear side squib LH (Rear seat airbag assembly LH) |
| S100-14 | SRL- | |
| S100-15 | SFL- | Front side squib LH (Front seat airbag assembly LH) |
| S100-16 | SFL+ | |
| S100-25 | LSP+ | Seat position airbag sensor |
| S100-26 | LSP- | |
| S100-27 | LBE- | Front seat belt buckle switch LH (Front seat inner belt assembly LH) |
| S100-28 | LBE+ | |
| S100-31 | BBL- | Rear airbag sensor LH |
| S100-32 | BBL+ | |
| J142-1 | P2+ | Front passenger squib 2nd step (Instrument panel passenger airbag assembly) |
| J142-2 | P2- | |
| J142-3 | P- | Front passenger squib (Instrument panel passenger airbag assembly) |
| J142-4 | P+ | |
| J142-6 | D+ | Driver squib (Horn button assembly) |
| J142-7 | D- | |
| J142-8 | D2- | Driver squib 2nd step (Horn button assembly) |
| J142-9 | D2+ | |
| J142-12 | DK- | Driver side knee airbag squib (Lower No. 1 instrument panel airbag assembly) |
| J142-13 | DK+ | |
| J142-23* | GSW3 | DCM (Telematics transceiver) |
| J142-25 | GSW | Main body ECU (Multiplex network body ECU) |
| J142-26 | CANH | CAN communication line |
| J142-27 | CANL | |
| J142-28 | -SR | Front airbag sensor RH |
| J142-29 | +SR | |
| J142-30 | +SL | Front airbag sensor LH |
| J142-31 | -SL | |
| J142-32 | E2 | Ground |
| J142-33 | E1 | |
| J142-34 | P-AB | Passenger airbag ON/OFF indicator (Radio receiver assembly) |
| J142-35 | PAON | |
| J142-36 | IG2 | A/BAG-IG2 fuse |
| R62-1 | ICR+ | Curtain shield squib RH (Curtain shield airbag assembly RH) |
| R62-2 | ICR- | |
| R62-3 | PR- | Front pretensioner squib RH (Front seat outer belt assembly RH) |
| R62-4 | PR+ | |
| R62-5 | PRR+ | Rear pretensioner squib RH (Rear No. 1 seat outer belt assembly RH) |
| R62-6 | PRR- | |
| R62-7 | PR2- | Selectable force limiter squib RH (Front seat outer belt assembly RH) |
| R62-8 | PR2+ | |
| R62-9 | SFR+ | Front side squib RH (Front seat airbag assembly RH) |
| R62-10 | SFR- | |
| R62-11 | SRR- | Rear side squib RH (Rear seat airbag assembly RH) |
| R62-12 | SRR+ | |
| R62-13 | FCP+ | Passenger side front seat cushion squib (Front seat cushion airbag assembly RH) |
| R62-14 | FCP- | |
| R62-25 | BBR+ | Rear airbag sensor RH |
| R62-26 | BBR- | |
Problem Symptoms Table
Dtc Check / ClearLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Center Airbag Sensor Assembly: On-vehicle Inspection
ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT CAUTION: Be sure to correctly follow the removal and installation procedures for the airbag sensor assembly. PROCEDURE 1. INSPECT AIRBAG SENSOR ASSEMBLY (for Vehicle not Involved in Collision) (a) Perform a diagnostic system check. Click here 2. INSPE ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Lin Communication System: Lost Communication with Power Source Control (B278C)
DESCRIPTION This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and power management control ECU stops for 10 seconds or more. DTC No. Detection Item DTC Detection Condition Trouble Area B278C Lost Communication with Power Source Control ...