For 1990-2009 cars

Important: Refer to SIR Service Precautions before disabling the SIR system.

The SIR system has been divided into Disabling and Enabling Zones. When performing service on or near SIR components or SIR wiring, it may be necessary to disable the SIR components in that zone. It may be necessary to disable more than one zone depending on the location of other SIR components and the area being serviced, refer to SIR Component Views . Refer to the illustration below, to identify the specific zone or zones in which service will be performed. After identifying the zone or zones, proceed to the disabling and enabling procedures for that particular zone or zones.

Zone | Description
--- | ---
1 | Not Used
2 | Pretensioner - Left and Side Impact Sensor (SIS) - LF--Refer to SIR Disabling and Enabling .
3 | Inflatable Restraint Steering Wheel Module and Coil--Refer to SIR Disabling and Enabling .
4 | Not Used
5 | Inflatable Restraint Instrument Panel (IP) Module--Refer to SIR Disabling and Enabling .
6 | Pretensioner - Right and Side Impact Sensor (SIS) - RF--Refer to SIR Disabling and Enabling .
7 | Driver Seat with LF Side Impact--Refer to SIR Disabling and Enabling .
8 | Inflatable Restraint Sensing and Diagnostic Module (SDM)--Refer to SIR Disabling and Enabling .
9 | Passenger Seat with RF Side Impact--Refer to SIR Disabling and Enabling .
10-12 | Not Used