DTC Troubleshooting: 141, 142

DTC 141:
 Front Right Brake Caliper Pressure Sensor
DTC 142:
 Front Left Brake Caliper Pressure Sensor
  1. Turn the ignition switch to ON (II).
  1. Clear the DTC with the HDS.
  1. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.
  1. Press the brake pedal several times.
  1. Check for DTCs with the HDS.
Is DTC 141 or 142 indicated?
YES -
Go to Step 6 .
NO -
Intermittent failure, the system is OK at this time.■
  1. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.
  1. Press the brake pedal several times.
  1. Check for DTCs with the HDS.
Is DTC 141 or 142 indicated?
YES -
Check for loose terminals in the VSA modulator-control unit 47P connector. If the VSA modulator-control unit was updated, substitute a known-good VSA modulator-control unit, then retest. If the VSA modulator-control unit was substituted, go to Step 1 .
NO -
If the VSA modulator-control unit was updated, troubleshooting is complete. If the VSA modulator-control unit was substituted, replace the original VSA modulator-control unit. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.■