Connect a voltmeter between the No. 5 terminal of the gauge control module connector (30P) and body ground. Turn the ignition switch ON (II), and measure the voltage. There should be battery voltage. Is there battery voltage?
YES | - | Faulty SRS indicator circuit in the gauge control module or poor contact at the gauge control module connector (30P) and gauge control module; if the connection is OK, replace the gauge control module.■
NO | - | Open in the under-dash fuse/relay box No. 21 (7.5 A) fuse circuit, or open in the YEL wire of the dashboard wire harness, junction connector. If the under-dash fuse/relay box is OK, replace the dashboard wire harness.■
Replace the No. 21 (7.5 A) fuse, and check to see if the SRS indicator comes on. Do the SRS indicator come on?
YES | - | The system is OK at this time.■
NO | - | Repair the short to ground in the under-dash fuse/relay box No. 21 (7.5 A) fuse circuit.■