Many malfunctions in the electrical system are caused by poor harness and terminals.

Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.

Thoroughly check shorting bar/shorting bar release pin and connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.

Has a problem been found?

	▶ Repair as necessary and then go to "Verification of Vehicle Repair" procedure.
	▶ Go to "Squib Circuit Inspection" procedure.

Ignition "OFF".

Disconnect (-) terminal cable from battery and wait for 1 minutes or more.

Disconnect PCAB module and connect the dummy and dummy adapter to main harness connector.

Connect (-) terminal cable to battery and Ignition "ON" & Engine "OFF" and wait for 30 seconds or more.

Connect GDSl to Data Link Connector(DLC) and clear DTC with GDSl and diagnose again.

Is DTC present problem ?

	▶ Go to "Main harness circuit inspection" procedure.
	▶ Substitute a known-good PCAB assembly, and check for proper operation. If the problem is corrected, replace PCAB and then go to "Verification of Vehicle Repair" procedure.

Ignition "OFF".

Disconnect the battery (-) terminal cable from the battery and wait at least one minutes.

Disconnect PCAB connector and SRSCM connector.

Connect the battery (-) terminal cable to the battery and Ignition "ON" & Engine "OFF".

Measure voltage between terminal "Low" or "High" of the PCAB harness connector and chassis ground.

Is the measured voltage within specifications?

	▶ 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 and check for proper operation. If the problem is corrected, replace SRSCM and then go to "Verification of Vehicle Repair" procedure.