Land Rover Defender manuals

Land Rover Defender: Control Diagram

Land Rover Defender 2020-2026 Service Manual / Body and Paint / Supplementary Restraint System / Airbag and Safety Belt Pretensioner Supplemental Restraint System - [+] Front Row Seats Only / Control Diagram

CONTROL DIAGRAM - 1 OF 2

Airbag and Safety Belt Pretensioner Supplemental Restraint System

A = HARDWIRED: AX = FLEXRAY.

  1. RCM
  2. BCM/ GWM
  3. PCM
  4. IPC
  5. Passenger airbag
  6. Clockspring
  7. Driver airbag
  8. Driver seatbelt pretensioner - NAS only
  9. Passenger seatbelt retractor
  10. Driver seatbelt retractor
  11. Driver side airbag
  12. Passenger side airbag
  13. Ground
  14. Power supply
  15. Front seatbelt buckle switch (quantity 2)
  16. Seat track position sensor
  17. Front impact sensor (quantity 2)
  18. Pressure sensor - Left and right (quantity 2)
  19. Side impact sensor (quantity 4 on 5 doors vehicle/quantity 2 on 3 doors vehicle)
  20. Passenger airbag deactivation indicator - Front overhead console

CONTROL DIAGRAM - 2 OF 2 - IMPACT SIGNAL

Airbag and Safety Belt Pretensioner Supplemental Restraint System

A = HARDWIRED.

  1. RCM
  2. Driver Door Control Module (DDM) and Passenger Door Control Module (PDM)
  3. Rear door module (quantity 2 on 5 doors vehicle)
  4. PCM
  5. BCM/ GWM
  6. TCU
  7. BISG - MHEV only
  8. BECM - PHEV only
  9. EPIC - PHEV only
  10. Ground
  11. Power supply

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 Airbag Supplementary Restraint System

DIAGNOSIS AND TESTING PRINCIPLE OF OPERATION For a detailed description of the supplemental restraints system and operation, refer to the relevant Description and Operation section in the workshop ma

 Airbag Disposal

GENERAL PROCEDURES DEPLOYED AIRBAG 1. WARNING: Always wear safety glasses when repairing an airbag supplemental restraint system (SRS) vehicle and when handling an airbag module. Failure to follow t

 B-Pillar Side Impact Sensor

REMOVAL AND INSTALLATION REMOVAL WARNING: To prevent accidental deployment, you must power down the Restraints Control Module (RCM). Wait at least 1 minute after you disconnect the startup batter

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 Headlamp Assembly

REMOVAL AND INSTALLATION REMOVAL CAUTIONS: Protect the surrounding paintwork to avoid damage. Protect the surrounding trim to avoid damage. Before disconnecting any components, make sure the area is clean and free from foreign material. When disconnected all openings must be sealed. NOTES:

 External Controls - Vehicles With: 8HP76 8-Speed Automatic Transmission, AWD

DESCRIPTION AND OPERATION COMPONENT LOCATION COMPONENT LOCATION - 1 OF 2 - EMERGENCY PARK RELEASE Emergency Park Release (EPR) lever and cable assembly COMPONENT LOCATION - 2 OF 2 - TRANSMISSION CONTROL SWITCH Transmission Control Switch (TCS) OVERVIEW WARNING: To prevent vehicle roll-away,

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