DTC Troubleshooting: 66-15
|DTC 66-15:||Pressure Sensor (Inside of VSA Modulator-control Unit) Malfunction|
|1.||Raise the vehicle, and support it with safety stands in the proper locations.|
|2.||Turn the all four wheels by hand.|
Is there the brake drag?
YES - Repair the brake drag.n
NO - Go to 3.
|3.||Check the PRESSURE SWITCH in the VSA DATA LIST with the HDS while moving the brake pedal.|
Do the indicated values change?
YES - Intermittent failure, the system is OK at this time. Check for loose terminals between the brake pedal position switch 4P connector, the PCM connector A (44P), and the VSA modulator-control unit 37P connector. Refer to intermittent failures troubleshooting.n
NO - Check for loose terminals in the VSA modulator-control unit 37P connector. If necessary, substitute a known-good VSA modulator-control unit and retest.n