Adaptive Cruise Control (ACC) Unit DTC 49: Cal FR Brake Fluid Pressure Sensor Center Position Error Turn the ignition switch ON (II). Clear the DTCs with the HDS. Watch the adaptive cruise control (ACC)/LKAS indicator. Does the adaptive cruise control (ACC)/LKAS indicator stay off?
YES | - | Go to Step 4 .
NO | - | Go to Step 5 .
Press the brake pedal, and watch the adaptive cruise control (ACC)/LKAS indicator. Does the adaptive cruise control (ACC)/LKAS indicator stay off?
YES | - | The system is OK at this time. Check for loose or poor connections.■
NO | - | Go to Step 5 .
Check for DTCs with the HDS. Is DTC 49 indicated?
YES | - | Go to Step 6 .
NO | - | Troubleshoot the indicated DTC(s). If there are no DTCs, the system is OK at this time.■
Turn the ignition switch OFF. Disconnect the 20P connector from the adaptive cruise control (ACC) unit. Check for continuity between the adaptive cruise control (ACC) unit 20P connector No. 5 terminal and body ground. Is there continuity?
YES | - | Repair a short to ground in the wire between the adaptive cruise control (ACC) unit and the right front pressure sensor.■
NO | - | Go to Step 9 .
Disconnect the 3P connector from the right front pressure sensor. |