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.
Memorizing Sensor IDs with the Scan Tool (HDS)
2004 Acura 3.5RLSECTION Memorizing Sensor IDs with the Scan Tool (HDS)
- Connect the HDS to the data link connector (DLC) (A) located under the driver's side of the dashboard.
- Press the engine start/stop button to select the ON mode.
- Make sure the HDS communicates with the vehicle and the TPMS control unit. If it does not communicate, go to the DLC circuit troubleshooting.
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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.