Test J: The Charging System Warning Indicator Is Never/Always On

PINPOINT TEST J: THE CHARGING SYSTEM WARNING INDICATOR IS NEVER/ALWAYS ON

J1:

J2-J4:

Normal Operation
The charging system warning indicator is controlled by the instrument cluster based upon data received from the powertrain control module (PCM) over the controller area network (CAN).

Possible Causes
- Charging system
- PCM
- Instrument cluster