General Troubleshooting Information
Before Troubleshooting
1.
Check applicable fuses in the appropriate fuse/relay box.
2.
Check the battery for damage, state of charge, and cleanness and tig ...
Circuit Diagram
•
COM signal - When
controlling the voltage generated, the ECM sends the target voltage data
to the alternator via a PWM signal.(High voltage: 4V or higher, low
voltage: 2V or lower)
•
FR signal - The
transistor activation signal inside t ...