FixVault

Wheel Speed Sensor Speed Comparison

NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION. For wiring diagram, see wiring diagram.

Using scan tool, read trouble codes. If any other wheel speed sensor trouble code is indicated, repair that trouble code prior to performing this test. With an assistant, road test vehicle while monitoring scan tool for trouble codes. Drive vehicle straight ahead and accelerate slowly to a maximum speed of 15 MPH. If any wheel speed sensor signal reads more than 3 MPH slower than other sensor signals, go to indicated test. See WHEEL SPEED SENSOR SPEED COMPARISON PROBLEMS table.

WHEEL SPEED SENSOR SPEED COMPARISON PROBLEMS

Trouble Code Test No.
RR WHEEL SPEED SENSOR SIGNAL TEST 9A 
LR WHEEL SPEED SENSOR SIGNAL TEST 10A 
RF WHEEL SPEED SENSOR SIGNAL TEST 11A 
LF WHEEL SPEED SENSOR SIGNAL TEST 12A