Subaru Legacy BN/BS (2015-2019) Service Manual: Inspection locations after a collision inspection
If the vehicle is involved in a collision, even if it is a slight collision, be sure to check the following systems. 1. DRIVER’S AIRBAG MODULE ASSEMBLY 1. Frontal collision (driver’s airbag module assembly activated) (1) Replace the following parts with new ones. • Airbag control module • Driver’s airbag module • Passenger’s airbag module (if deployed) • Driver’s seat cushion airbag • Passenger’s seat cushion airbag (if deployed) • Curtain airbag module (right and left / if deployed) • Seat belt pretensioner (right and left) • Front sub sensor (right and left) • Instrument panel assembly (because it is integrated with passenger’s airbag module) (if passenger’s airbag module is deployed) • Column ASSY - steering • Roll connector • Trim panel - roof assembly (if the curtain airbag is deployed) • Trim panel of each pillar (if the curtain airbag is deployed) (2) Visually inspect the following items and replace any damaged part with a new one. • Steering wheel • Beam COMPL - steering • Harnesses and connectors on body side that are linked to the replaced parts 2. Frontal collision (driver’s airbag module not activated) Visually inspect the following items and replace any damaged or cracked part with a new one. Specially inspect the damage of airbag module body, mounting bracket and harness connector. • Driver’s airbag module • Passenger’s airbag module • Seat cushion airbag module • Seat belt pretensioner (right and left) • Front sub sensor (right and left) • Instrument panel assembly (because it is integrated with passenger’s airbag module) 3. No frontal collision Visually inspect the airbag modules for damage or contamination and replace any faulty part with a new one. 2. PASSENGER’S AIRBAG MODULE 1. Frontal collision (passenger’s airbag module activated) (1) Replace the following parts with new ones. • Airbag control module • Driver’s airbag module • Seat cushion airbag module (right and left) • Passenger’s airbag module • Curtain airbag module (right and left / if deployed) • Seat belt pretensioner (right and left) • Front sub sensor (right and left) • Instrument panel assembly (because it is integrated with passenger’s airbag module) • Trim panel - roof assembly (if the curtain airbag is deployed) • Trim panel of each pillar (if the curtain airbag is deployed) (2) Visually inspect the following items and replace any damaged part with a new one. • Beam COMPL - steering • Harnesses and connectors on body side that are linked to the replaced parts 2. Frontal collision (passenger’s airbag module not activated) Visually inspect the following items and replace any damaged or cracked part with a new one. Specially inspect the damage of airbag module body, mounting bracket and harness connector. • Driver’s airbag module • Driver’s seat cushion airbag • Passenger’s seat cushion airbag (if deployed) • Passenger’s airbag module • Seat belt pretensioner (right and left) • Front sub sensor (right and left) • Instrument panel assembly (because it is integrated with passenger’s airbag module) 3. No frontal collision Visually inspect the airbag modules for damage or contamination and replace any faulty part with a new one. 3. SEAT CUSHION AIRBAG MODULE 1. Frontal collision (seat cushion airbag module activated) (1) Replace the following parts with new ones. • Frame assembly - front seat cushion (driver’s seat side only) • Panel - front seat (driver’s seat side only) • Seat cushion pad and frame assembly (passenger’s seat side only) (when the passenger’s seat cushion airbag is deployed) • Airbag control module • Driver’s airbag module • Driver’s seat cushion airbag • Passenger’s seat cushion airbag (if deployed) • Passenger’s airbag module • Curtain airbag module (right and left / if deployed) • Seat belt pretensioner (right and left) • Front sub sensor (right and left) • Column assembly - steering • Trim panel - roof assembly (if the curtain airbag is deployed) • Trim panel of each pillar (if the curtain airbag is deployed) (2) Visually inspect the following items and replace any damaged part with a new one. • Side airbag module • Seat belt inner - front • Harness assembly - power seat • Pad assembly - front seat cushion • Cover COMPL - front seat cushion • Seat heater module - front seat cushion • Headrest assembly • Bushing - lock headrest • Slide rail assembly - OUT • Slide rail assembly - INN • Harnesses and connectors on body side that are linked to the replaced parts 2. Frontal collision (seat cushion airbag module not activated) Visually inspect the following items and replace any damaged or cracked part with a new one. Specially inspect the damage of airbag module body, mounting bracket and harness connector. • Driver’s airbag module • Seat cushion airbag module • Passenger’s airbag module • Seat belt pretensioner (right and left) • Front sub sensor (right and left) • Instrument panel assembly (because it is integrated with passenger’s airbag module) 3. No frontal collision Visually inspect the airbag modules for damage or contamination and replace any faulty part with a new one. 4. SIDE AIRBAG MODULE 1. Side impact (side airbag module activated) (1) Replace the following parts with new ones. • Airbag control module • Seat cushion airbag module (collision side) • Front door impact sensor (collision side) • Seat belt pretensioner (collision side / if deployed) • Side airbag module (collision side) • Side airbag sensor (collision side) • Curtain airbag module (collision side) • Curtain airbag sensor (collision side) • Pad assembly - front seat backrest (collision side) • Frame assembly - front seat cushion (collision side) • Frame assembly - front seat backrest (collision side) • Cover COMPL - front seat backrest (collision side) • Trim panel - roof assembly (collision side) • Trim panel for each pillar (collision side) (2) Visually inspect the following items and replace any damaged part (collision side) with a new one. • Headrest assembly • Bushing - lock headrest • Slide rail assembly - OUT • Slide rail assembly - INN • Cover - hinge front seat • Knob - lifter • Lever - reclining • Harnesses and connectors on body side that are linked to the replaced parts 2. Side impact (side airbag module not activated) Visually inspect the following items and replace any damaged or cracked part (collision side) with a new one. Specially inspect the damage of airbag module body, mounting bracket and harness connector. • Pad assembly - front seat backrest • Frame assembly - front backrest • Cover COMPL - front backrest • Front door impact sensor • Side airbag module • Side airbag sensor • Curtain airbag module • Curtain airbag sensor 3. No side impact Visually inspect the airbag modules for contamination and replace any faulty part with a new one. 5. CURTAIN AIRBAG MODULE 1. Side impact or roll over (curtain airbag module activated) (1) Replace the following parts with new ones. • Airbag control module • Seat cushion airbag module (collision side) • Curtain airbag module (operating side) • Seat belt pretensioner (if deployed) • Front door impact sensor (operating side) • Side airbag sensor (operating side) • Curtain airbag sensor (operating side) • Pad assembly - front seat backrest (collision side) • Frame assembly - front seat cushion (collision side) • Frame assembly - front seat backrest (collision side) • Cover COMPL - front seat backrest (collision side) • Trim panel - roof assembly (operating side) • Trim panel for each pillar (operating side) (2) Visually inspect the following items and replace any damaged part (collision side) with a new one. • Assist rail - front and rear • Bracket - assist rail front and rear • Harnesses and connectors on body side that are linked to the replaced parts 2. Side impact (curtain airbag module not activated) Visually inspect the following items and replace any damaged or cracked part (collision side) with a new one. Specially inspect the damage of airbag module body, mounting bracket and harness connector. • Trim panel - roof assembly • Trim panel for each pillar • Curtain airbag module • Front door impact sensor • Side airbag sensor • Curtain airbag sensor 3. No side impact Visually inspect the airbag covers for damage or contamination and replace any faulty part with a new one. 6. AIRBAG CONTROL MODULE Check for the following, and replace the damaged parts with new parts. • Control module is cracked or deformed. • Mounting bracket is cracked or deformed. • Connector is scratched, cracked or deformed. • Driver’s airbag module has been activated. • Passenger’s airbag module has been activated. • Seat cushion airbag module has been activated. • Side airbag module has been activated. • Curtain airbag module has been activated. • Seat belt pretensioner has been activated. 7. FRONT SUB SENSOR If the section of vehicle as shown in the figure is damaged, check the following items and replace the damaged parts with new parts.
• Front sub sensor is cracked or deformed. • Connector is scratched, cracked or deformed. • Driver’s airbag module, passenger’s airbag module or seat cushion airbag module has been activated. 8. FRONT DOOR IMPACT SENSOR, SIDE AIRBAG SENSOR AND CURTAIN AIRBAG SENSOR
• Front door impact sensor, side airbag sensor and curtain airbag sensor are cracked or deformed. • Connector is scratched, cracked or deformed. • Side airbag module or curtain airbag module has been activated. (Operating side) • Front door is dented or deformed. (Operating side) 9. ROLL CONNECTOR Check for the following, and replace the damaged parts such as cracks, deformation, etc. with new parts. • Combination switch • Steering roll connector 10. COLUMN ASSEMBLY - STEERING & STEERING WHEEL Check the following items, and if there is anything out of standard value, it is considered to be damaged. If so, replace it with a new part. Steering Column > INSPECTION 11. PASSENGER’S SEAT Check for the following, and replace the damaged parts with new parts. • Body or bracket of the seat belt inner - front is scratched, cracked or deformed. • Frame assembly - front backrest is cracked or deformed. • Headrest assembly for deformation or play • If the cover - front cushion and the cover COMPL - front backrest is damaged or frayed, replace the cover with a new part. • If the cover - front cushion and the seat heater are replaced, replace the cover hang wire with a new part. CAUTION: If any of the following applies, replace the pad assembly - front seat cushion & frame assembly - front cushion as a unit. Do not disassemble. • The frame assembly - front cushion or the pad assembly - front seat cushion is cracked or deformed. • Scratches, cracks, or deformation found on the occupant detection system sensor mat or occupant detection control module, or attachment brackets of the control module. • Harness and/or connector is cracked, deformed or open. Harness wire is exposed. 12. INSPECTION OF OTHER PARTS Check for the following parts, and replace the damaged parts with new parts. 1. Steering wheel and column assembly - steering • Mounting conditions and deflection of front and rear, upward and downward directions of the steering wheel and column assembly - steering • Deflection in the front/rear and upward/downward directions of the column assembly - steering, as well as its mounting condition to vehicle body (After a collision, absorbing structure on the column assembly - steering may have been functioned.) 2. Check the direct type connector of driver’s airbag module, curtain airbag module, pretensioner, etc. for damage, and also check each harness for pinch and connector damage. Replace the main harness as a unit if damage is found. 3. Check the seat cushion, backrest, slide rail and headrest for installation condition and looseness. 4. If any break or fray is found in the cover COMPL - front backrest of the driver’s seat or passenger’s seat, the side airbag system may not operate normally. In this case, replace the cover COMPL - front backrest with a new part. 5. For the passenger’s seat, replace the frame assembly - front cushion with a new part if the frame assembly - front cushion is deformed or cracked. 6. If there are tears or loosening in the seat cover COMPL - front seat on the passenger’s side, it may interfere with the proper operation of the occupant detection system. Replace the cover - front cushion with a new part. 7. When the passenger’s seat cover COMPL - front seat has been removed or replaced, make sure that the occupant detection system operates normally. 8. Use the Subaru Select Monitor to check whether the passenger’s seat belt buckle switch is operating normally. 9. If the securing clip mounting area of curtain airbag module or the bracket - assist rail is deformed or cracked, replace the defective part. |
Airbag module disposal (deployment processing on vehicle) procedure
WARNING:Make sure to follow the instructions below. Otherwise, personal injuries may occur.• Before discarding an airbag module, always perform an operation process to prevent any false activati ...
Other materials:
Caution
• Prior to starting work, pay special attention to the following:1. Always wear work clothes, a work cap, and protective shoes. Additionally, wear a helmet, protective goggles, etc. if necessary.2. Protect the vehicle using a seat cover, fender cover, etc.3. Prepare the service tools, clean cl ...
