acura Workshop Repair Guides

Acura (Honda) Workshop Service and Repair Manuals

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

Is there continuity?

YES -Test the ALT.

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

14. Turn the ignition switch OFF.
15. Disconnect the negative cable from the battery.
16. Disconnect the PCM connector C (31P).

17. 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 ALT.

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

Emission Control Systems > < Voltage Signal|Testing and Inspection