What should I do if my car charging system is not working?
In other words, divide a vehicle’s charging system by carefully isolating a suspect alternator. Then replace the alternator if it still doesn’t work or work correctly. The single, most common charging system symptom is a dead battery. First, always recharge or replace the battery as needed, then test the charging system.
How to diagnose computer-controlled charging systems?
Suppose you’re working on a GM charging system with the common terminals I described earlier (P-L-I-S or P-L-F-S). The alternator isn’t charging and you’ve already checked the ground and output circuits. Shut off the ignition switch and unplug the harness connector from the alternator.
When did Honda start their car charging system?
From approximately 1988, the vehicle ‘s computer plays an important role in the charging system, and we must take its actions into account when diagnosing a charging system problem. For this particular tech tip, we will be using a 1989 CRX with a 1.6l engine as an example.
What makes up the modern car charging system?
The modern charging system hasn’t changed much in over 40 years. It consists of the alternator, regulator (which is usually mounted inside the alternator) and the interconnecting wiring.
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
How can you tell if your car charger is in trouble?
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 for some reason, the alternator has stopped charging the battery and your car is running on battery power.
When to troubleshoot an unusual voltage system drop?
Troubleshooting for Unusual Voltage System Drops 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 for some reason, the alternator has stopped charging the battery and your car is running on battery power.
What causes the charge indicator light to come on?
You may notice: your ALT or CHARGE indicator light comes on, your engine is hard to start and cranks slowly, or doesn’t crank, your battery demands lots of water, your alternator makes noises, or your headlights suddenly go dim. These and other problems may be caused by a fault in the charging system.