Abs Quick Check Chart
NOTE:
For measurements, use Rotunda Meter (105-00053) or DVOM. Ensure 4WABS template overlay is installed on Breakout Box. See Fig 1
.
Ensure resistance exists between pin No. 1 and chassis ground, or invalid results may occur. Incorrect results indicate wiring or component failure. See PINPOINT TESTS for complete diagnostic procedures before replacing any component.
When testing wheel speed sensor output, measure frequency and voltage. Result of voltage divided by frequency will not change with wheel speed. Take both measurements at same wheel speed.