What does check charge system mean on a Honda Accord?
What’s happening when the battery/check charging system light comes on? Whenever this light goes on, it means that the vehicle is running solely on battery power. If the problem continues and your charging system fails, the battery won’t be able to recharge and it will soon run down, leaving you with a dead battery.
How does the charging system work on a Honda?
On startup, the alternat… If you ever have worked on a Honda charging system, you may have noticed that this system operates a little bit differently from other systems as far as strategy is concerned. On startup, the alternator does not appear to be charging, but after several seconds it suddenly comes alive and begins to charge.
How many wires are involved in a Honda Charger?
The fourth is the charging rate input to the ECM (the blue or yellow wire).The fifth is an output from the ECM (white with a yellow stripe).This is the control circuit that turns the alternator on through the voltage regulator. There are a total of three wires to the computer that are involved in the charging system.
What does the C circuit on a Honda Charger mean?
This signals the computer that the battery is fully charged and that overall electrical demand is low. When this happens, the computer can turn off the alternator through the one computer output, the C circuit (white wire with a yellow stripe).This is the one circuit where the computer turns the alternator on and off.
What should the duty cycle be on a Honda Accord?
The voltage regulator will cycle this signal from 5 volts to approximately 1.2 volts in proportion to the alternator load. For example, with a warm engine at idle and all accessories off, duty cycle should be 30-35% (negative trigger on your meter).
When does the charging system warning light come on?
Charging System Warning Light Charging System Warning Light The charging system warning light comes on when there is a problem with the electrical charging system or when the igni- tion switch is turned on with the engine not running. If the light comes on while driving, stop and check to see if the alternator belt is loose or broken.
What to do if your Acura Charger light goes out while driving?
If the light comes on while driving, stop the car at a safe place and shut off the engine. The system is normal if the light goes out after restarting the engine. If the light does not go out or lights again while driving, have the system checked by an authorized Acura dealer as soon as possible.
What does the charge indicator light mean on a car?
Indicator Light On Usually, the first sign that your charging system is in trouble is a “battery,” “ALT,” or “CHARGE” warning light illuminating on your instrument panel while driving. It means that the alternator voltage output is below 12 volts, or over its limit or has stopped charging the battery and your car is running on battery power.
What do I need to know about my car charging system?
These series of charging system checks help diagnose the general condition of your charging system. They can help you confirm that you actually have a problem in your charging system and locate the source of the problem. 1. Make a Visual Inspection of the System