Component Inspection

Ignition "ON" & Engine "OFF" and Using a scan tool, clear the DTC.
Ignition "OFF".
Disconnect the battery (-) terminal cable from the battery, and wait at least one minutes.
Disconnect PSIS connector.
Substitute the PSIS and check for proper operation.
Is DTC present problem?
YES
- 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.
- Substitute the SRSCM main harness and check for proper operation.
  If the problem is corrected, replace SRSCM main harness and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Substitute a known-good PSIS, and check for proper operation.
  If the problem is corrected, replace SRSCM and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.