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.
1999 Acura 2.3CL AutomaticFACTORY OEM SERVICE PROCEDURE
Charging System Light: 2.3CL
- Turn ignition switch to ON position. If charging system light illuminates, go to step 3. If charging system light does not illuminate, go to next step.
- Check fuse No. 4 (7.5-amp), located in underdash fuse/relay box. Check for faulty light bulb. Replace as necessary. If fuse and bulb are okay, repair open in White/Blue wire. See WIRING DIAGRAMS .
- Start engine. Charging system light should turn off. If charging system light remains on, go to next step. If charging system light turns off, test and repair charging system components as necessary.
- Using DVOM, measure voltage between ground and generator harness connector terminal No. 2 (Black/Yellow wire). See Figure. If battery voltage exists, go to next step. If battery voltage does not exist, repair open in Black/Yellow wire between generator and underdash fuse/relay box.
- Turn ignition switch to OFF position. Disconnect generator 4-pin harness connector. Connect a fused jumper wire between ground and generator 4-pin harness connector terminal No. 4 (White/Blue wire). See Figure. Turn ignition switch to ON position. If charging system light illuminates, go to next step. If charging system light does not illuminate, check for blown charging system light bulb. Replace if necessary. If bulb is okay, repair open in White/Blue wire. See WIRING DIAGRAMS .
- With ignition switch in ON position, remove jumper wire between generator 4-pin harness connector terminal No. 4 and ground. If charging system light turns off, test and repair generator components as necessary. If charging system light remains on, repair short to ground in White/Blue wire.
Factory Service Tools
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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.