Description - SRS (RESTRAINT SYSTEMS) (page 5 of 6)

RESTRAINT SYSTEMS

DESCRIPTION AND OPERATION

75-7

SRS warning lamp

The SRS warning lamp located in the instrument cluster indicates the following:

l

The status of the system readiness check on start-up.

l

A fault within the SRS system.

The input to the SRS warning lamp from the DCU is 12 volts during the readiness test, 0 volts if no fault present and 
12 volts if a fault is detected.

The DCU is capable of detecting an open circuit or a short circuit for the SRS warning lamp. 

The DCU also stores the following additional information on each fault:

l

A count indicating the number of times the fault occurred.

l

A start and end time for the fault to indicate the duration of the fault.