System Relay Fault (Latching)

SYSTEM RELAY FAULT (LATCHING)

WARNING LIGHT
ANTILOCK

DETECTION
This fault is detected during the start-up cycle.

DESCRIPTION
The system relay is used to provide 12 volt power to the CAB solenoid drivers and the ANTI LOCK warning light relay. The system relay is normally energized by the controller at pin 57. It is tested for proper functioning during the start-up cycle to see that it is not provided 12 volt output when not energized by the controller.