Justy Hatchback 2WD L3-1.2L SOHC (MPFI) (1992)
/Page-594001.png)
Accessory Signal: Description and Operation
PURPOSE
Provides a signal to the EFC control unit (ECU) that an electrical accessory has been turned on.
MONITORED CIRCUITS
^ Lighting system
^ Rear window defogger
^ HVAC fan
OPERATION
When any of the above circuits are energized, a signal is sent to the ECU. The ECU activates the fast idle control device (FICD), raising engine
speed to compensate for added load from the alternator.
