DTC 21

CIRCUIT INSPECTION

ABS MODULATOR CIRCUIT (SHORT B+)





The modulator consists of four solenoid valves, one expander chamber per brake circuit, and a hydraulic pump.
The ABS Control Module (ABSCM) activates the solenoid valves and controls the pressure to the wheel calipers.








INSPECTION PROCEDURE





1. Check for voltage between each terminal of the ABS modulator harness.





2. Check the ABS modulator.





3. Check the ABSCM harness.