When to replace the alternator on a Honda Odyssey?

This is a clear indication that your Honda’s alternator IS NOT charging the battery. Replacing the alternator at this point usually solves around 90% of the No Charge Conditions on any Honda Accord (or Odyssey or Prelude or any 2.2L, 2.3L Honda) around the world.

Where is the ELD on a Honda alternator?

When the alternator reports a problem to the ECM, the ECM sets a trouble code and communicates digitally with the gauge control module to light the BATTERY light on the instrument cluster. The ELD inside the fuse box or at the battery terminals.

What does it mean when Honda alternator is not charging?

CASE 2: Your multimeter registered a voltage that steadily dropped down to 9 Volts. This is a clear indication that your Honda’s alternator IS NOT charging the battery. Replacing the alternator at this point usually solves around 90% of the No Charge Conditions on any Honda Accord (or Odyssey or Prelude or any 2.2L, 2.3L Honda) around the world.

How many volts does a Honda alternator need?

Even though a typical lead-acid battery is considered fully charged at 12.6 volts, many of the early smart Honda systems were designed to see 12.4 volts, or 80% state-of-charge, as perfectly normal and the ECM would not command alternator charging.

How to test Honda 2.2L Honda alternator?

Crank and start your Honda and turn on your multimeter and select Volts DC mode on it. Probe the positive battery terminal with the red multimeter test lead. With the BLACK multimeter Lead, probe the negative battery terminal on your Honda’s Battery. 1.) A steady 13.5 to 14.5 Volts DC.

When did my father in law replace his alternator?

I replaced a rebuilt alternator for my father in-law’s 97 Honda Odyssey 2 years ago and now it’s dead again, with the engine running, measure across the battery terminal, only 11.90 V registered, it should be over 14V. He got another rebuilt one, life time warranty, but he never keeps the receipt any way.