Cavalier L4-2.2L VIN 4 (1998)
^
Rubbed-through wire insulation
^
A broken wire inside the insulation
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.
With the SDL monitor (ABS to IPC mode), any message that is being transmitted on the serial data link can be observed, refer to Instrument Cluster
for further serial data link information.
Use the Lamp Test function of the Scan Tool in order to turn the indicator on while looking for an intermittent malfunction in the ABS warning
indicator circuitry.
Thoroughly inspect any circuitry that may cause the intermittent complaint for the following conditions:
^
Backed out terminals
^
Improper mating
^
Broken locks
^
Improperly formed or damaged terminals
^
Poor terminal-to-wiring connections
^
Physical damage to the wiring harness
IMPORTANT: Zero the J 39200 test leads before making any resistance measurements. Refer to the J 39200 user's manual.
