Before repair, remove the airbag sensor if shocks are likely to be applied to the sensor during repair.
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1 NOTICE: hen inspecting or repairing the SRS, perform service in accordance with the following precautionary instructions and the procedure, and precautions in the Repair Manual applicable for the model year. SRS Malfunction symptoms of the SRS are difficult to confirm, so the DTCs become the most important source of information when troubleshooting. hen troubleshooting the SRS, always inspect the DTCs before disconnecting the battery. ork must be started more than 90 seconds after the ignition S is turned to the LOCK position and the negative (-) terminal cable is disconnected from the battery. (The SRS is equipped with a back-up power source so that if work is started within 90 seconds from disconnecting the negative (-) terminal cable of the battery, the SRS may deploy.) hen the negative (-) terminal cable is disconnected from the battery, the memory of the clock and audio system will be cleared. So before starting work, make a record of the contents in the audio memory system. hen work is finished, reset the audio systems as they were before and adjust the clock. Some vehicles have power tilt steering, power telescopic steering, power seat and power outside rear view mirror which are all equipped with memory function. However, it is not possible to make a record of these memory contents. So when the work is finished, it will be necessary to explain it to your customer, and ask the customer to adjust the features and reset the memory. To avoid erasing the memory in each system, never use a back-up power supply from outside the vehicle. efore repair, remove the airbag sensor if shocks are likely to be applied to the sensor during repair. Do not expose the following parts directly to hot air or flame; Even in cases of a minor collision where the SRS does not deploy, the following parts should be inspected; Never use SRS parts from another vehicle. hen replacing parts, replace with new parts. For the purpose of reuse, never disassemble and repair the following parts. If the following parts have been dropped, or have cracks, dents and other defects in their case, bracket, and connector, replace with new one. Use a volt/ohmmeter with high impedance (0 kω/ minimum) for troubleshooting electrical circuits of the system. Information labels are attached to the periphery of the SRS components. Follow the instructions of the notice. fter work on the SRS is completed, check the SRS warning light. If the vehicle is equipped with a mobile communication system, refer to the precaution in the IN section of the Repair Manual. Steering wheel pad Front passenger airbag assembly Side airbag assembly Curtain shield airbag assembly Seat belt pretensioner Center airbag sensor assembly Front airbag sensor assembly Side airbag sensor assembly Rear airbag sensor assembly 005 SIENN (ED6U) 5
2 SRS From Power Source System (See Page 58). 5 IGN 9 E - O - R CSL+ S6 Side irbag Sensor Rear LH CSL- UCL ESCL 4R G - R CSR+ CSR- 4- UCR - O S Side irbag Sensor Rear RH ESCR Y- Y- O Y- C4 Curtain Shield irbag Squib Front LH Y- O - O - O H C5 Curtain Shield irbag Squib Front RH 5 IG 5 CSL+ CSL- 4 UCL ESCL 8 C CSR+ 4 C CSR- 9 C UCR 0 C ESCR 9 ICL+ 8 C ICR+ 0 ICL- C ICR- 0(), (), (C) irbag Sensor ssembly E 8 E D- D+ 4 D+ 6 P+ 0 P- P+ 8 D- P- 5 +SL -SL 6 - Y - Y- Y- Y- O Y- R - R R Y- G Y- GR Y- P IC IC E E - R R 6 L H 4 4 +SL - SL irbag Squib (Steering heel Pad) irbag Squib (Front Passenger irbag ssembly) irbag Sensor Front LH IE IF SIENN (ED6U)
3 G L C6 Curtain Shield irbag Squib Rear LH C Curtain Shield irbag Squib Rear RH G L 5 CL+ C CR+ 6 CL- C CR- 9 +SR -SR 0 PL+ 8 PR+ 9 C 5 C 0 C 6 C (*) SSL+ UPL 6 ESL 8 SFL+ PL- PR- SSL- 0 SFL- - R- IK IK - R- L- Y SSR+ LG SSR- UPR 4P GR S5 Side irbag Sensor Front RH ESR Y- R Y- G - O - O * : w/ Side irbag * : w/o Side irbag S9 Side irbag Squib RH 6 C SSR+ C SSR- C UPR 5 C ESR 5 C SFR+ 6 C SFR- 0(), (), (C) irbag Sensor ssembly Y- Y Y- Y L- LG- P- L G Y- R Y- G 4 +SR - SR SSL+ SSL- UPL ESL 8 irbag Sensor Front RH P44 Pretensioner LH P45 Pretensioner RH S4 Side irbag Sensor Front LH S8 Side irbag Squib LH 005 SIENN (ED6U) 55
4 SRS - O - O From Power Source System (See Page 58) 56 6 J8 0 HTR D Data Link 8 L SIL G- G- 8 K H 0 E G- G- R- Y O M 5 O M L- G- G- IN IN L- SIL LE+ 9 G- Y 4 6 G- 6 C C C 0 C (*) FSR+ 0(), (), (C) irbag Sensor ssembly LSP+ 4 8(), () uckle S LH Seat Position Sensor FSR- LSP- 8 (*) G- 5 4 MPX- P- MPX E 4 MPX MPX 5 4 PON MPX () ody ECU H 6 E 9(), 0() J9 E 5 /C Control ssembly Engine Control Module 9 MPX MPX LE- MPX+ L- ON OF R- Y 89 9 (*5) 0 (*6) R- Y 40 (*5) (*6) IG (*5) IG+(*6) J SIENN (ED6U)
5 - O - O * : w/ Side irbag * : w/o Side irbag * : w/ Power Seat * 4 : w/o Power Seat * 5 : utomatic /C * 6 : Manual /C 9 0 J(), J4() O O 8 M O 4 M - O G- G- 4 O M - O - O 8 FSR+ DI IG + SC SIG SGD SC SIG SGD SC4 SIG4 SGD4 G O Y- G- R- P LG - Y Y L- R- G- G- 4 FSR- O (), O 4() Occupant Classification ECU SC SIG SGD SC SIG SGD SC SIG SGD SC SIG SGD SC4 SIG4 SGD4 O 5 Occupant Classification Sensor Front LH O Occupant Classification Sensor Rear LH O 6 Occupant Classification Sensor Front RH O 8 Occupant Classification Sensor Rear RH 005 SIENN (ED6U) 5
6 SRS * : w/ Power Seat * 4 : w/o Power Seat From Power Source System (See Page 58) 0 ECU-. 5 GUGE 8 C 5 H - R 4 C L O (), O 4() Occupant Classification ECU 4 J9 S 9 GND GND 5 R L uckle S (Front Passenger s Side) O 6 M J9 SRS 0 R C0 Combination Meter I IF SIENN (ED6U)
7 System Outline The SRS is a driver and front passenger protection device which has a supplemental role to the seat belts. hen the ignition S is turned to ON, the current from the IGN fuse flows to TERMINL () 5 of the airbag sensor assembly. If an accident occurs while driving, when the frontal impact exceeds a set level, the current from the IGN fuse flows to TERMINLS () 4, () 6, () 0, () 8, () 8 (w/ side airbag) or () (w/o side airbag) and (C) 9 (w/ side airbag) or (C) 5 (w/o side airbag) of the airbag sensor assembly to the airbag squibs and the pretensioners to TERMINLS (), (), (), (), () (w/ side airbag) or () (w/o side airbag) and (C) 0 (w/ side airbag) or (C) 6 (w/o side airbag) of the airbag sensor assembly to TERMINL (), () 8 or ODY GROUND to GROUND, so that current flows to the airbag squibs and the pretensioners and causes them to operate. hen the side impact also exceeds a set level, the current from the IGN fuse flows to TERMINLS (), (C) 5, () 9, (C) 8, () 5 and (C) of the airbag sensor assembly to the side airbag squibs and the curtain shield airbag squibs TERMINLS (), (C) 6, () 0, (C), () 6 and (C) of the airbag sensor assembly to TERMINL (), () 8 or ODY GROUND to GROUND, causing side airbag squibs and curtain shield airbag squibs to operate. The airbag stored inside the steering wheel pad is instantaneously expanded to soften the shock to the driver. The airbag stored inside the passenger s instrument panel is instantaneously expanded to soften the shock to the front passenger. Side airbags are instantaneously expanded to soften the shock of side to the driver and front passenger. The curtain shield airbag can ease an impact on the head of the front and rear passengers and reduce risks of injury. The pretensioners make sure of the driver and front passenger seat belt restrainability. Occupant detection system recognizes not only whether a passenger is in the seat but also whether the passenger is an adult or a child. ccording to this information, the airbag sensor assembly controls the airbag deployment and the operation mode (ON/OFF) indicator of the passenger airbag. : Parts Location Code See Page Code See Page Code See Page C5 5 O6 4 (*) 8 C6 8 4 O 9 4 C 8 4 (*) 0 4 D 5 4 O8 0 4 E5 5 4 (*) 4 J8 6 P44 9 C 4 J9 6 P J 6 S J4 6 S S6 40 O 4 4 (*) S 40 4 (*) 4 4 O4 S8 4 4 (*) 4 (*) 8 4 (*) 4 4 O5 S9 C0 5 4 (*) 4 (*) C4 5 O6 4 : lock and ire Harness Code See Page lock and ire Harness ( Location) C Engine Room Main ire and Driver Side J/ (Lower Finish Panel) E H 6 Instrument Panel ire and Driver Side J/ (Lower Finish Panel) K L C Engine Room Main ire and Engine Room J/ (Engine Compartment Left) * : w/ Power Seat * : w/o Power Seat 005 SIENN (ED6U) 59
8 SRS : Joining ire Harness and ire Harness Code See Page Joining ire Harness and ire Harness ( Location) IC 46 Engine Room Main ire and Instrument Panel ire (Near the Driver Side J/) IK 48 Engine Room Main ire and Instrument Panel ire (Right Kick Panel) IN 48 Instrument Panel ire and Instrument Panel ire (ehind the Combination Meter) M 54 (*) Floor No. ire and Seat No. ire (Under the Front Passenger s Seat) O 54 Seat No. ire and Floor No. ire (Under the Front Passenger s Seat) : Ground Points Code See Page Ground Points Location IE 46 Left Kick Panel IF 46 Instrument Panel race LH I 50 Under the Right Center Pillar * : w/ Power Seat * : w/o Power Seat SIENN (ED6U)
9 Memo 005 SIENN (ED6U) 6
Before repairs, remove the airbag sensor if shocks are likely to be applied to the sensor during repairs.
NOTICE: When inspecting or repairing the SRS, perform the operation in accordance with the following precautionary instructions and the procedure and precautions in the Repair Manual for the applicable
More informationBefore repairs, remove the airbag sensor if shocks are likely to be applied to the sensor during repairs.
NOTICE: When inspecting or repairing the SRS, perform the operation in accordance with the following precautionary instructions and the procedure and precautions in the Repair Manual for the applicable
More informationBefore repair, remove the airbag sensor if shocks are likely to be applied to the sensor during repair.
NOTICE: hen inspecting or repairing the SS, perform service in accordance with the following precautionary instructions and the procedure, and precautions in the epair Manual applicable for the model year.
More informationBefore repairs, remove the airbag sensor if shocks are likely to be applied to the sensor during repairs.
NOTICE: When inspecting or repairing the SRS, perform the operation in accordance with the following precautionary instructions and the procedure and precautions in the Repair Manual for the applicable
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