ABS Does Not Operate (Intermittently)

Detecting Condition






Inspection Procedures
DTC Inspection
1. Connect the Scan Tool with the data link connector and turn the ignition switch ON.
2. Is the ABS MIL on?






Check for DTC's
1. Refer to the DTC troubleshooting procedures.
2. Is the system operating to specifications?






Check the Stop Lamp Switch Circuit
1. Check that stop lamp lights up when brake pedal is depressed and turns off when brake pedal is released.
2. Measure the voltage between terminal 20 of the ABS control module harness side connector and body ground when brake pedal is depressed.

Specification :approximately B+


3. Is the voltage within specification?










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?