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Volvo 1991 740 Model
A self-diagnostic system incorporated in the sensor monitors the SRS. If a fault is detected, the "SRS"
warning light will illuminate. The light is included in the warning/indicator light cluster in the
instrument panel. Normally, the SRS warning lamp will be illuminated along with the other warning/
indicator lights when the ignition key is turned to the ON position (position II), and go out a short time
after the engine has been started. Check that this light is functioning properly every time the car is
started.
The following items are monitored by the self-diagnostic system:
Sensor unit electronics integrity
Reserve energy supply
Diagnostic output circuit
System voltage
Integrity of system connectors
Mercury switch closure
Gas generator ignitor
WARNING! If the SRS warning light stays on after the engine has started or if it comes on while you
are driving, drive the car to the nearest authorized Volvo Dealer for inspection as soon as possible.
ATTENTION! SRS VEHICLE!
THIS CAR IS EQUIPPED WITH A SUPPLEMENTAL RESTRAINT SYSTEM. TO PROVIDE
CONTINUED RELIABILITY, CERTAIN ELEMENTS OF THE SUPPLEMENTAL RESTRAINT
SYSTEM SHALL BE SERVICED OR REPLACED BY 2000. SEE OWNERS MANUAL FOR
FURTHER INFORMATION.
VOLVO
This decal can be found on the left-hand door pillar.
There is no maintenance to perform on the SRS yourself. The only periodic maintenance recommended
on the SRS is that the air bag modules and front seat belts (including tensioners) should be replaced
approximately every ten years and that the other components in the system (wiring, connectors, etc.)
should also be inspected at this time. The SRS decal on your car shows the month and year servicing is
due. This service must be performed by an authorized Volvo dealer.
Should you have any questions about the SRS system, please contact your authorized Volvo Dealer or
Consumer Affairs Department:
file:///K|/ownersdocs/1991/1991_740/91740_08.htm (8 of 10)12/30/2006 8:57:57 AM
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