Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSACURA20043.5RLREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 33 (AIR BAG RESTRAINT SYSTEMS)DIAGNOSTIC TESTSDTC 2-5
2004 Acura 3.5RL
DTC 2-5
2004 Acura 3.5RLSECTION DTC 2-5
WARNING: This page is about a different car, the 2002 Acura 3.5RL. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Accidental air bag deployment is possible. Personal injury may result. Avoid bumping SRS unit if ignition is on, or has been turned off for less than 3 minutes.
- Before proceeding, see AIR BAG SAFETY PRECAUTIONS . Erase DTC memory. See ERASING DIAGNOSTIC TROUBLE CODE MEMORY . 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 .
- Disable passenger-side air bag. See DISABLING & ACTIVATING AIR BAG SYSTEM . DO NOT disconnect driver-side air bag connector. Connect SRS Simulator Lead "E" (07XAZ-SZ30100) and SRS Inflator Simulator (07SAZ-TB4011A) to SRS main harness 4-pin connector. See Figure. Reconnect negative battery cable. Erase DTC memory. See ERASING DIAGNOSTIC TROUBLE CODE MEMORY . Read DTC. See DIAGNOSTIC TROUBLE CODE (DTC) . If DTC 2-5 is indicated, go to next step. If DTC 2-5 is not indicated, replace passenger-side air bag assembly. See AIR BAG ASSEMBLIES under REMOVAL & INSTALLATION.
- Disable driver-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. Disconnect SRS simulator lead "E" and SRS inflator simulator from SRS main harness 4-pin connector. Measure resistance between SRS main harness 18-pin connector terminals No. 7, 8, 16 and 17 and ground. If resistance is one megohm or greater, replace SRS unit. See SRS UNIT under REMOVAL & INSTALLATION. If resistance is less than one megohm, replace SRS main harness.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.