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 DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 19 (GENERATORS & REGULATORS)ON-VEHICLE TESTINGGENERATOR CONTROL SYSTEM TEST3.0CL
1998 Acura 3.5RL Special Edition
Generator Control System Test: 3.0CL
1998 Acura 3.5RL Special EditionSECTION 3.0CL
WARNING: This page is about a different car, the 1998 Acura 3.0CL and 1998 Acura 2.3CL. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect generator 4-pin connector. Start engine. Turn on headlights (high beam). Use DVOM to measure voltage between generator 4-pin connector terminal No. 2 (White/Green wire) and battery positive terminal. See Figure. If reading is one volt or less, go to step 3). If reading is greater than one volt, go to next step.
- Turn headlights and ignition off. Disconnect 31-pin connector from Powertrain Control Module (PCM), located behind right kick panel. Use DVOM and check continuity of White/Green wire between ground and ECM connector terminal No. 2. See Fig 1. If continuity exists, repair short to ground in White/Green wire. If continuity does not exist, install known good PCM and recheck system. Replace PCM if necessary.
- Turn headlights and ignition switch to OFF position. Disconnect 31-pin connector from PCM, located behind right kick panel. Use DVOM and check continuity of White/Green wire between PCM connector terminal No. 2 and 4-pin generator connector terminal No. 2. See Figure and Fig 1. If continuity does not exist, repair open in White/Green wire. If continuity exists, test alternator and regulator. See GENERATOR/REGULATOR OUTPUT 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.