3.
Has a problem been found?
YES
a.
Repair as necessary and go to "Verification of Vehicle Repair" procedure
NO
a.
Go to "SIS Inspection" procedure
Many malfunctions in the electrical system are caused by poor harness(es) and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
Has a problem been found?
YES
Repair as necessary and go to "Verification of Vehicle Repair" procedure
NO
Go to "SIS Inspection" procedure
Check Side Impact Sensor circuit (to Battery +)
Ignition "OFF" and wait at least one minutes.
Disconnect the Side Impact sensor from the SRS wiring harness.
Ignition "ON" & Engine "OFF"
Measure voltage between terminal 1 or 2 of the main harness connector and chassis ground.
Specification : Approx. Below 1V
Is the measured voltage within specification?
YES
Intermittent failure, system is OK at this moment. Check for connector and conform the SRSCM
If the connector is OK,substitute a known-good SRSCM, and check for proper operation.
If the problem is corrected, replace SRSCM and then go to "Verification of Vehicle Repair" procedure.
If the problem is still present, substitute the SRS main harness and check for proper operation.
If the problem is corrected, replace SRS wiring harness and then go to "Verification of Vehicle Repair" procedure.
NO
Short circuit to battery B+ in the SRS wiring harness , substitute the SRS wiring harness and check for proper operation.
If the problem is corrected, replace SRS wiring harness and then go to "Verification of Vehicle Repair" procedure.
