ABS Does Not Operate

Detecting Condition






Inspection Procedures
DTC Inspection
1. Connect the Scan Tool with the data link connector and turn the ignition switch ON.
2. Verify that the system is operating to specifications.
3. Is the system operating to specifications?






Check the Power Source Circuit
1. Disconnect the connector from the ESC control module.
2. Turn the ignition switch ON, measure the voltage between terminal 28 of the ESC control module harness side connector and body ground.

Specification: approximately B+


3. Is the voltage within specification?










Check the Ground Circuit
1. Disconnect the connector from the ESC control module.
2. Check for continuity between terminals 1,4 of the ESC control module harness side connector and ground point.
3. Is there continuity?










Check the Wheel Speed Sensor Circuit
1. Refer to the DTC troubleshooting procedures.
2. Is the system operating to specifications?






Check the Hydraulic Circuit for Leakage
1. Refer to the hydraulic lines.
2. Inspect leakage of the hydraulic lines.
3. Is the system operating to specifications?