Abs Does Not Operate

Retrieve Diagnostic Trouble Codes (DTCs). See RETRIEVING TROUBLE CODES under SELF-DIAGNOSTIC SYSTEM . Ensure a normal DTC is output. Check ignition power supply circuit. See DTC 41 -IGNITION POWER SOURCE CIRCUIT under CIRCUIT TESTS . Check speed sensor circuits. See DTCs 31, 32, 33, 34, 35 and 36 (speed sensor circuit codes) under CIRCUIT TESTS. Check ABS actuator. See ACTUATOR CHECK under CIRCUIT TESTS. If ABS actuator is okay, check hydraulic system for leaks. If all listed items test okay, replace ABS ECU.