acura Workshop Repair Guides

Acura (Honda) Workshop Service and Repair Manuals

Alternator and Regulator Circuit Test|Page 8553 > < Alternator and Regulator Circuit Test|Page 8551
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Is there continuity?

YES - Repair short in the wire between the alternator and PCM.

NO - Substitute a known-good PCM, and recheck. If prescribed voltage is now available, replace the original PCM.

8. Turn the headlight and ignition switch OFF.
9. Disconnect the PCM 31P connector from the PCM.

10. Check for continuity between the PCM connector terminal C2 and alternator 4P connector terminal No.2.

Is there continuity?

YES - Test the alternator/regulator.

NO - Repair open in the wire between the alternator and PCM.

Alternator and Regulator Circuit Test|Page 8553 > < Alternator and Regulator Circuit Test|Page 8551