Disconnect the C1 connector (A) from the gauge assembly. Check resistance between the No. 14 terminal of C1 connector and the No. 5 terminal of the U3o connector. There should be 1 ohm or less. U3o CONNECTOR Is the resistance as specified? YES - Faulty SRS indicator light circuit in the gauge assembly or poor contact at the C1 connector; Check the connection. If the connection is OK, replace the gauge assembly. NO - Open in the floor wire harness or in dashboard wire harness A; replace the faulty harness.

Disconnect the floor wire harness 8P connector (A) from the SRS unit. Connect the DLC terminal box (A) to the Data Link Connector (DLC) 16P (B). Connect the DLC terminal box terminals No. 4 and No. 9 with a jumper wire, and push the operation switch or connect the SCS short connector (C) to the service check connector (2P) (D).