Service Brake Fluid Switch Message

The IPC supplies 5 volts to the low brake fluid circuit. The IPC Internally monitors the voltage level of the circuit at connector C2 terminal "A11." If CKT 849 is open, the IPC will detect greater than 4.0 volts at terminal "A11." If the voltage remains over 4.0 volts for at least one second, the IPC will display the "SERVICE BRAKE FLUID SWITCH" message. The IPC will Also broadcast this message over the Class 2 serial data bus to the PZM for use by the ABS/TCS controller.