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2013 Honda Civic Alternator Voltage Output

2013 honda civic alternator voltage output - The multimeter will register a nice and steady 135 to 145 Volts DC no matter what gets turned on. Thus the system charges the battery only when needed. Voltage going over 14 to 17 volts and dropp. 125 isnt even a full battery charge. I thing high 13smid-14s is the most Ive ever seen an alternator output. Below are the available amperages we have for the Honda Civic 1984 to 2016. Please note that we may need up to five working days to. In my 03 the voltage reading starts out at 142 - 143v after I start it up then later 141 and 140 and down to 138 and sometimes it goes down to 125 for awhile. Still its perfectly normal for others to see the alternator not charge at all intermittently. Even though a typical lead-acid battery is considered fully charged at 126 volts many of the early smart Honda systems were designed to see 124 volts or 80 state-of-charge as perfectly normal and the ECM would not command alternator charging.

Its worth noting that the battery voltage did get up to 126V after the drive. This system requires a different approach for testing. I would have figured that it would have been up higher because it is trying to charge the battery back up to spec. Honda accord 2013 LX 6AT. I understand that battery voltage should be around 14v by alternators charging when engine running. Joined Aug 15 2013. During startup and light electrical load conditions the ECM will set the charging voltage to 124-129V. 2 It will register 125 V DC and this voltage will decrease more and more as you turn on stuff inside your Honda vehicle. Honda Civic High Output Alternators. I never knew that the alternator charging voltage drops when the battery charge is low.

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BUT under light loads and a fully charged battery the output is set to low around 126v. This is with just the radio on and inside fan on low. 2 It will register 125 V DC and this voltage will decrease more and more as you turn on stuff inside your Honda vehicle. The alternator only workscharges when my headlines are ON. Thus the system charges the battery only when needed. Under heavy loads the output is high at around 14v. I would have figured that it would have been up higher because it is trying to charge the battery back up to spec. Even though a typical lead-acid battery is considered fully charged at 126 volts many of the early smart Honda systems were designed to see 124 volts or 80 state-of-charge as perfectly normal and the ECM would not command alternator charging. For some a constant 136 volts is an indication of a problem. 15v seems to be on the high side.