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Home >> Land Rover >> 2012 >> LR4 HSE Lux >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Restraint System >> Supplemental Restraint System >> Diagnostic Procedures >> Air Bag Supplemental Restraint System (SRS) >> Safety Information

Safety Information

WARNING: To avoid accidental deployment the back-up power supply must be depleted before beginning any work on the SRS system or its components. Failure to follow this instruction may result in personal injury.
WARNING: Do not use a multimeter to probe an SRS module. It is possible for the power from the meter battery to trigger the activation of the module. Failure to follow this instruction may result in personal injury.
NOTE: It is advisable not to use a cellular phone or to have a cellular phone in close proximity when working on the SRS system or components.
NOTE: Given the legal implications of a restraints system failure, harness repairs to Air Bag module circuits are not acceptable. Where the text refers to "REPAIR the circuit", this will normally mean the replacement of a harness.

Power supply depletion 

Before beginning any work on the SRS system or related components:

  1. Remove the ignition key.
  2. Disconnect the battery leads, ground first.
  3. Wait 2 minutes for the power circuit to discharge.

There are comprehensive instructions on the correct procedures for SRS system repairs in the workshop manual. Refer to the relevant section of the workshop manual.