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 MANUALSACURA19983.5RL SPECIAL EDITIONREPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONAUTOMATIC TRANSDIAGNOSIS - M5DASELF-DIAGNOSTIC SYSTEMRETRIEVING DTC & FLASH CODESRETRIEVING DTC USING SCAN TOOL
1998 Acura 3.5RL Special Edition
Retrieving DTC Using Scan Tool
1998 Acura 3.5RL Special EditionSECTION Retrieving DTC Using Scan Tool
- If fault code exists, "D4" light on A/T gear position on instrument panel will blink when ignition is turned on. To retrieve DTC using scan tool, turn ignition off.
- Connect scan tool to Data Link Connector (DLC), located near ashtray. Turn ignition on. Scan tool will indicate DTC. Follow scan tool manufacturer's instructions.
- Once DTC is obtained, turn ignition off. Determine probable cause and symptom. See DTC/FLASH CODE IDENTIFICATION table. Repair as necessary. See DTC/FLASH CODE TESTS .
- If any other fault codes except those listed are displayed, see appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE. For trouble shooting of fault codes, see appropriate DTC/FLASH CODE TESTS . If "D4" light does not flash or stays on, see DTC P0730/FLASH CODE 41 test.
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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.