Safety precautions when performing SRS maintenance and repair (Mitsubishi Matrix)

Improper maintenance of the passive safety system may result in unauthorized deployment of the airbag, which in turn may result in injury of varying severity.

Errors made during unqualified maintenance can lead to system failure at the right moment with unpredictable consequences.

1. After turning the ignition switch to the LOCK position and disconnecting the negative cable from the battery, wait at least 30 seconds before proceeding with further work.

The SRS system is designed so that after the battery is disconnected, sufficient voltage remains for a short time to deploy the airbag.

2. After disconnecting the battery, the memory of some electronic devices (clock, radio, etc.) is erased. Before starting work, write down the basic settings of the specified devices and restore them after the repair is completed.

3. Malfunctions of the passive safety system practically do not manifest themselves in any way, therefore the main form of system diagnostics is checking for the presence of fault codes.

4. Always read the fault codes before disconnecting the battery.

5. Never install system parts from another vehicle on your vehicle. Install only new parts.

6. Never disassemble the airbag units and clock spring. If the system wiring is faulty, replace the entire wiring harness.

7. If a system component has accidentally fallen from a more or less decent height or there are cracks or deformation of the housing, replace this component.

8. After completing the service, check the system. The SRS warning lamp may in some cases indicate a malfunction in other circuits of the vehicle systems. If the warning lamp lights up, clear the fault codes using the HI-SCAN (Pro) tester immediately after repairing or replacing defective parts, including the fuse.

9. When carrying out welding work on the vehicle, do not disconnect the negative battery cable.