MDX V6-3471cc 3.5L (2002)
4. Measure voltage between the alternator 4P connector terminal No.2 and the positive terminal of the battery.
Is there 1 V or less?
YES - Go to step 9.
NO - Go to step 5.
5. Turn the headlight and ignition switch OFF.
6. Disconnect the negative cable from the battery.
7. Disconnect Powertrain Control Module (PCM) connector C (31P).
8. Check for continuity between the PCM connector terminal C2 and body ground.
Is there continuity?
YES - Repair short to ground 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.
9. Turn the headlight and ignition switch OFF.
10. Disconnect the negative cable from the battery.
11. Disconnect PCM connector C (31P).
12. Check for continuity between the PCM connector terminal C2 and alternator 4P connector terminal No.2.
Is there continuity?
YES - Repair the alternator.