Supplemental Inflatable Restraint (SIR)

CIRCUIT DESCRIPTION
Code 35 is set when the voltage at the "Sense Low" input Terminal "A6," is within a specific range of the "36 VLR" output voltage for 500 milliseconds during the "Continuous Monitoring" tests performed by the DERM. The "Continuous Monitoring" tests are performed by the DERM after the initial "Turn-On" tests are completed and are performed every 100 milliseconds while "IGN 1" voltage is present at the DERM. If one of the discriminating sensors is open the voltage at the "Sense Low" input will increase due to the increase in the resistance of the discriminating sensor section of the deployment loop and Code 35 will set.

TEST CONDITIONS
Tested every 100 milliseconds during "Continuous Monitoring."

FAILURE CONDITIONS
Code 35 will set if the voltage at the "Sense Low" input, terminal "A6," is within a specific range of "36 VLR" output voltage for 500 milliseconds and the "36 VLR" output voltage is in range.

ACTION TAKEN
DERM turns "On" the "Air Bag" telltale lamp.

CONDITIONS TO CLEAR
Cycle Code 35 will clear if the voltage at the "Sense Low" input, Terminal "A6," is within a specific range of "36 VLR" output voltage for 500 milliseconds.

TEST DESCRIPTION
Number(s) below refer to circled number(s) on the diagnostic chart.
1. This test checks for proper resistance of the driver side discriminating sensor.
2. This test checks for proper resistance of the passenger side discriminating sensor.
3. This test checks for an open in the Circuit 349.
4. This test checks for an open in the driver side discriminating sensor ground circuit.
5. This test checks for an open in the passenger side discriminating sensor ground circuit.