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 DIAGNOSIS (SINGLE PAGE)EXTERNAL PAGESDIFFERENT CARSECTION 54 (AUTOMATIC A/C SYSTEMS)DTC TROUBLESHOOTINGNOTES
2004 Acura 3.5RL
DTC Troubleshooting: Notes
2004 Acura 3.5RLSECTION Notes
WARNING: This page is about a different car, the 2003 Acura 3.2CL and 2002 Acura 3.2CL. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | DESCRIPTION |
|---|---|
| DTC INDICATOR LIGHT A | An Open in the In-car Temperature Sensor Circuit |
| DTC INDICATOR LIGHT B | A Short in the In-car Temperature Sensor Circuit |
| DTC INDICATOR LIGHT C | An Open in the Outside Air Temperature Sensor Circuit |
| DTC INDICATOR LIGHT D | A Short in the Outside Air Temperature Sensor Circuit |
| DTC INDICATOR LIGHT E | An Open in the Sunlight Sensor Circuit |
| DTC INDICATOR LIGHT F | A Short in the Sunlight Sensor Circuit |
| DTC INDICATOR LIGHT G | An Open in the Evaporator Temperature Sensor Circuit |
| DTC INDICATOR LIGHT H | A Short in the Evaporator Temperature Sensor Circuit |
| DTC INDICATOR LIGHT I | An Open in the Air Mix Control Motor Circuit |
| DTC INDICATOR LIGHT J | A Short in the Air Mix Control Motor Circuit |
| DTC INDICATOR LIGHT K | A Problem in the Air Mix Control Linkage, Door, or Motor |
| DTC INDICATOR LIGHT L | An Open or Short in the Mode Control Motor Circuit |
| DTC INDICATOR LIGHT M | A Problem in the Mode Control Linkage, Doors, or Motor |
| DTC INDICATOR LIGHT N | A Problem in the Blower Motor Circuit |
RENDER: 1.0x
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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.