Cavalier L4-2.2L VIN 4 (1998)
ABS Light: Testing and Inspection
ABS Warning Lamp Always ON, No DTC's Stored
ABS Indicator On No DTC Set Wiring Diagram
ABS Indicator On No DTC Set
CIRCUIT DESCRIPTION
Two-way serial communication is sent back and forth between the EBC and the IPC. A message from the IPC is sent to the EBCM within seven
seconds after ABS initialization. A serial communication failure does not allow the proper warning indicator commands to be sent back to the IPC.
DIAGNOSTIC AIDS
The scan tool Serial Data Link (SDL) monitor used in this diagnostic is within the body portion of the scan tool. This requires exiting from the chassis
portion of the scan tool to the main menu and entering into the body portion of the scan tool menu and selecting SDL MONITOR.
