Ignition "OFF", connect scantool.
Ignition "ON"& Engine "OFF", select "Diagnostic Trouble Codes(DTC)" mode.
Monitor diagnostic trouble code and present of trouble code.
Using a scan tool, clear the DTC.
Is DTC present problem ?
YES
Go to "W/Harness Inspection" procedure.
NO
Do not change the Passenger airbag deactivation switch, Passenger airbag deactivation switch is OK at this moment.
Fault is intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and SRSCM memory is not cleared yet.
Thoroughly check all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.
Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.