honda Workshop Repair Guides

Honda Workshop Service and Repair Manuals

Emission Control Systems > < Voltage Signal|Testing and Inspection
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12. Check for continuity between body ground and PCM connector terminal C5.

Is there continuity?

YES - Test the alternator.

NO - Repair open in the wire between the PCM (C5) and the alternator.

13. Turn the ignition switch OFF.
14. Disconnect PCM connector C (31P).

15. Check for continuity between body ground and PCM connector terminal C5.

Is there continuity?

YES - Repair short in the wire between the PCM (C5) and the alternator.

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

Emission Control Systems > < Voltage Signal|Testing and Inspection