With Manufacturer's Scan Tool
When the SRS indicator light is on, read the DTC using one of these methods.A. Connect the Honda PGM Tester to the 16P Data Link Connector (DLC), and follow the tester's prompts. If the tester indicates no DTC, DTC 9-1 or DTC 9-2, double-check by jumping the service check connector and watching the SRS indicator light. See "How to Display and Read Diagnostic Trouble Codes / Without Scan Tool".
B. The SRS indicator light indicates the DTC by the number of blinks when the SCS short connector is connected to the service check connector (2P).