FixVault

Intermittent Wheel Speed Sensor Circuits

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. If no other trouble code is displayed, see INTERMITTENT WHEEL SPEED SENSOR SIGNALS table.

INTERMITTENT WHEEL SPEED SENSOR SIGNALS

Trouble Code Test No.
INTERMITTENT WHEEL SPEED SENSOR SIGNAL (1) TEST 28B 
INTERMITTENT RR WHEEL SPEED SENSOR SIGNAL TEST 28C 
INTERMITTENT LR WHEEL SPEED SENSOR SIGNAL TEST 28C 
INTERMITTENT RF WHEEL SPEED SENSOR SIGNAL TEST 28C 
INTERMITTENT LF WHEEL SPEED SENSOR SIGNAL TEST 28C 
(1) Controller Anti-Lock Brake (CAB) malfunction trouble code will be stored along with this trouble code. In addition to performing TEST 28B, also perform TEST 20A.