Check for continuity between the No. 4 terminal of the dashboard wire harness 4P connector and body ground.
Is there continuity?
YES
-
Faulty SRS unit or poor connection at SRS unit connector A (39P) and the SRS unit. Check the connection between the connector and the SRS unit. If the connection is OK,
replace the SRS unit.
■
NO
-
Open between the dashboard wire harness 4P connector and body ground (G504) or poor connection at G504.■