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TERMINALS OF ECU - Highlander Club

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DIAGNOSTICS-SUPPLEMENTAL RESTRAINT SYSTEM05-1223No.SymbolDestinationA17-16 D2+ Horn Button Assy (D Squib, Dual stage - 2nd step)A17-17 D2- Horn Button Assy (D Squib, Dual stage - 2nd step)A17-20 -SR Airbag Sensor Front RHA17-22 MPX2 Combination Meter AssyA17-24 MPX1 Combination Meter AssyA17-25 PAON Passenger Airbag ON/<strong>OF</strong>F IndicatorA17-26 -SL Airbag Sensor Front LHA17-27 E1 GroundA17-28 E2 GroundA18-1 FSR+ Occupant Classification <strong>ECU</strong>A18-2 FSR- Occupant Classification <strong>ECU</strong>A18-4 CSR- Airbag Sensor Rear RHA18-5 SFR+ Front Seat Airbag Assy RH (Side Squib RH)A18-6 SFR- Front Seat Airbag Assy RH (Side Squib RH)A18-7 ICR- Curtain Shield Airbag Assy RH (Curtain Shield Squib RH)A18-8 ICR+ Curtain Shield Airbag Assy RH (Curtain Shield Squib RH)A18-9 PR+ Front Seat Outer Belt Assy RH (P/T Squib RH)A18-10 PR- Front Seat Outer Belt Assy RH (P/T Squib RH)A18-13 SSR- Side Airbag Sensor Assy RHA18-15 ESR Side Airbag Sensor Assy RHA18-16 SSR+ Side Airbag Sensor Assy RHA18-17 VUPR Side Airbag Sensor Assy RHA18-18 CSR+ Airbag Sensor Rear RHA18-19 VUCR Airbag Sensor Rear RHA18-20 ESCR Airbag Sensor Rear RH2005 HIGHLANDER REPAIR MANUAL (RM1144U)Author:Date:1413


05-1224DIAGNOSTICS-SUPPLEMENTAL RESTRAINT SYSTEM2. AIRBAG SENSOR ASSY CENTER (w/o Side and curtain shield airbag)A16 A17 A18H40028No. Symbol DestinationA - Electrical Connector Check MechanismB - Electrical Connector Check MechanismA16-1 PL- Front Seat Outer Belt Assy LH (P/T Squib LH)A16-2 PL+ Front Seat Outer Belt Assy LH (P/T Squib LH)A16-3 LSP+ Seat Position Airbag SensorA16-6 LBE- Front Seat Inner Belt Assy LH (Buckle SW)A16-8 LSP- Seat Position Airbag SensorA16-11 LBE+ Front Seat Inner Belt Assy LH (Buckle SW)A17-1 P-AB Passenger Airbag ON/<strong>OF</strong>F IndicatorA17-5 IG2 IGN FuseA17-7 P2-Front Passenger Airbag Assy (P Squib, Dual stage - 2ndstep)A17-8 P2+Front Passenger Airbag Assy (P Squib, Dual stage - 2ndstep)A17-9 +SR Airbag Sensor Front RHA17-10 P+ Front Passenger Airbag Assy (P Squib)A17-11 P- Front Passenger Airbag Assy (P Squib)A17-12 SIL DiagnosisA17-13 D- Horn Button Assy (D Squib)A17-14 D+ Horn Button Assy (D Squib)A17-15 +SL Airbag Sensor Front LHA17-16 D2+ Horn Button Assy (D Squib, Dual stage - 2nd step)A17-17 D2- Horn Button Assy (D Squib, Dual stage - 2nd step)A17-20 -SR Airbag Sensor Front RHA17-22 MPX2 Combination Meter AssyA17-24 MPX1 Combination Meter AssyA17-25 PAON Passenger Airbag ON/<strong>OF</strong>F IndicatorA17-26 -SL Airbag Sensor Front LHA17-27 E1 Ground2005 HIGHLANDER REPAIR MANUAL (RM1144U)Author:Date:1414


DIAGNOSTICS-SUPPLEMENTAL RESTRAINT SYSTEM05-1225No.SymbolDestinationA17-28 E2 GroundA18-3 FSR+ Occupant Classification <strong>ECU</strong>A18-5 PR+ Front Seat Outer Belt Assy RH (P/T Squib RH)A18-6 PR- Front Seat Outer Belt Assy RH (P/T Squib RH)A18-10 FSR- Occupant Classification <strong>ECU</strong>3. OCCUPANT CLASSIFICATION <strong>ECU</strong>O7O66 5 4 3 2 1121110 9 8 76 5 4 3 2 1121110 9 8 7H43128Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification+B (O6-1) - GND (O6-3) R - W-B Power Source IG switch ON 10 to 14 VDIA (O6-2) -GND (O6-3)GND (O6-3) -Body groundFSR- (O6-4) -GND (O6-3)BGND (O6-5) -GND (O6-3)V - W-B Diagnosis (DLC3) IG switch ON Pulse generationW-B - Body ground Ground Always Below 1 ΩB - W-BGR - W-BAirbag sensor assy centercommunication line (-)Passenger side buckleswitch ground lineAlwaysAlwaysBelow 1 ΩBelow 1 ΩIG (O6-7) - GND (O6-3) BR - W-B Power Source IG switch ON 10 to 14 VFSR+ (O6-8) -FSR- (O6-4)BSW (O6-9) -BGND (O6-5)SGD1 (O7-1) -GND (O6-3)SGD2 (O7-2) -GND (O6-3)SGD3 (O7-3) -GND (O6-3)SGD4 (O7-4) -GND (O6-3)SVC3 (O7-5) -SGD3 (O7-3)SVC4 (O7-6) -SGD4 (O7-4)SIG1 (O7-7) -SGD1 (O7-1)SIG2 (O7-8) -SGD2 (O7-2)W - BL - GRG - W-BO - W-BW - W-BBR - W-BGR - WV - BRSB - GL - OAirbag sensor assy centercommunication linePassenger side buckleswitch linePassenger side buckleswitch circuitOccupant classificationsensor front RH groundlineOccupant classificationsensor rear LH ground lineOccupant classificationsensor rear RH ground lineOccupant classificationsensor rear LH power supplylineOccupant classificationsensor rear RH power supplylineOccupant classificationsensor front LH signal lineOccupant classificationsensor rear RH signal lineIG switch ONBuckle switch ONBuckle switch <strong>OF</strong>FAlwaysAlwaysAlwaysPulse generation10 to 14 VBelow 1 VBelow 1 ΩBelow 1 ΩBelow 1 ΩAlways Below 1 ΩIG switch ON, a load is appliedto occupant classificationsensor rear LHIG switch ON, a load is appliedto occupant classificationsensor rear RHIG switch ON, a load is appliedto occupant classificationsensor front LHIG switch ON, a load is appliedto occupant classificationsensor front RH4.5 to 5.1 V4.5 to 5.1 V0.2 to 4.9 V0.2 to 4.9 V2005 HIGHLANDER REPAIR MANUAL (RM1144U)Author:Date:1415

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