Neon L4-2.0L VIN C (1997)
Brake Fluid Pump Relay: Description and Operation
Circuit Operation
CIRCUIT OPERATION
The Anti Lock Brake (ABS) pump motor relay controls when the pump motor runs. Power for the coil side of the relay is supplied from cavity 47
of the Controller Anti Lock Brake (CAB) on the B47 circuit. This circuit also supplies voltage for the contact side of the system relay The ground
side of the coil is controlled by the B116 circuit. Circuit B116 connects to cavity 16 of the CAB connector.
Circuit B120 from cavity 20 of the CAB connector powers the ABS pump motor. This circuit is also used as an input to the CAB for pump motor
monitoring.
