Variable Load Control Module

PURPOSE
The Variable Load Control Module (VLCM) is used for fuel pump control, engine cooling fan control and A/C clutch control. In addition to these functions, the VLCM performs diagnostic checks of its system.

OPERATION
Information on any failure that is detected by the VLCM is sent via SCP BUS(+) and BUS(-) circuits) to the Powertrain Control Module (PCM). Failure information is output as Diagnostic Trouble Codes (DTCs) during EEC-V Self-Test.