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DTC 1-3

WARNING: Whenever ignition is on, or has been turned off for less than 3 minutes, be careful not to bump SRS unit. Air bags could accidentally deploy and cause damage or injury.
  1. Before proceeding, See AIR BAG SAFETY PRECAUTIONS  . Erase DTC memory. See ERASING DIAGNOSTIC TROUBLE CODE MEMORY  under DIAGNOSTICS. Turn ignition on. If indicator light stays on, go to next step. If light goes off after about 6 seconds, system is okay at this time. See TROUBLESHOOTING INTERMITTENT FAILURES  under DIAGNOSTICS.
  2. Turn ignition off. Disconnect battery cables. Wait at least 3 minutes. Disconnect driver-side air bag 2-pin connector from cable reel 2-pin connector. See Figure . DO NOT disconnect passenger-side air bag connector. Connect SRS Simulator Lead "C" (07TAZ-SZ5011A) and SRS Inflator Simulator (07SAZ-TB4011A) to cable reel 2-pin connector. Reconnect battery cables. Erase DTC memory. See ERASING DIAGNOSTIC TROUBLE CODE MEMORY  under DIAGNOSTICS. Read DTC. See DIAGNOSTIC TROUBLE CODE (DTC)  under DIAGNOSTICS. If DTC 1-3 is indicated, go to next step. If DTC 1-3 is not indicated, replace driver-side air bag assembly. See AIR BAG ASSEMBLIES  under REMOVAL & INSTALLATION.
  3. Disconnect battery cables. Wait at least 3 minutes. Disconnect SRS simulator lead "C" and SRS inflator simulator from cable reel 2-pin connector. Remove dashboard lower cover. Disconnect cable reel 2-pin connector from SRS main harness. See Figure . Connect SRS simulator lead "C" and SRS inflator simulator to SRS main harness 2-pin connector. Reconnect battery cables. Erase DTC memory. See ERASING DIAGNOSTIC TROUBLE CODE MEMORY  under DIAGNOSTICS. Read DTC. See DIAGNOSTIC TROUBLE CODE (DTC)  under DIAGNOSTICS. If DTC 1-3 is indicated, go to next step. If DTC 1-3 is not indicated, replace cable reel. See CABLE REEL  under REMOVAL & INSTALLATION.
  4. Disconnect battery cables. Wait at least 3 minutes. Disable passenger-side air bag and both seat belt tensioners. See DISABLING & ACTIVATING AIR BAG SYSTEM  . Disconnect SRS main harness 18-pin connector from SRS unit. See Figure . DO NOT disconnect SRS simulator lead "C" and SRS inflator simulator from SRS main harness 2-pin connector. Measure resistance between terminals No. 1 and 13 of SRS main harness 18-pin connector. If resistance is approximately 2-3 ohms, replace SRS unit. See SRS UNIT  under REMOVAL & INSTALLATION. If resistance is not 2-3 ohms, replace SRS main harness.
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