Abs Does Not Operate

Check system for stored Diagnostic Trouble Codes (DTCs). SEE RETRIEVING DTCS under SELF-DIAGNOSTICS . Repair system as indicated by DTCs. If no DTCs are present and system indicates normal operation but will not operate, check the following: Check IG1 power source. See IG1 POWER SOURCE CIRCUIT under CIRCUIT TESTS. Check speed sensor circuit. See SPEED SENSOR DIAGNOSTICS under SELF-DIAGNOSTICS. Check ABS actuator. See ACTUATOR CHECK under COMPONENT TESTS . If no problems are found, check ECU. See PIN VOLTAGE .