DCA System Settings Cannot Be Turned On/Off On The Navigation Screen

DCA SYSTEM SETTINGS CANNOT BE TURNED ON/OFF ON THE NAVIGATION SCREEN

Description

- DCA system setting is not selectable on the navigation screen.
NOTE:
When the ignition switch is in ACC position, DCA system settings cannot be changed.
- "Distance Control Assist" is not indicated on the navigation screen.
- The switching between ON and OFF cannot be performed by operating the navigation system.
- The item of "Distance Control Assist" on the navigation screen is not active.
- After turning ON the ignition switch or starting the engine, DCA settings of the navigation system cannot be selected for several tens of seconds under the following conditions:
- After replacing AV control unit.
- After erasing connection history of the navigation system.
- After erasing self-diagnosis results of AV control unit.
- The DCA system setting differs from the one set at the previous driving.
NOTE:
Turn OFF the ignition switch and wait for 5 seconds or more.


Diagnosis Procedure


1. CHECK DCA SYSTEM SETTING

1.Start the engine.
2.Check that the DCA system settings is selectable on the navigation screen.
Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 2.

2. PERFORM THE SELF-DIAGNOSIS

1.Perform "All DTC Reading" with CONSULT.
2.Check if the DTC is detected in self-diagnosis results of "ICC/ADAS", "MULTI AV" and "METER/M&A".
Refer to the following.
-ICC/ADAS: Testing and Inspection
-MULTI AV: Testing and Inspection
-METER/M&A: Testing and Inspection
Is any DTC detected?
YES- Repair or replace malfunctioning parts.
NO- INSPECTION END

3. CHECK DATA MONITOR OF ADAS CONTROL UNIT

Check that "DCA SELECT" operates normally in "DATA MONITOR" of "ICC/ADAS" with CONSULT.
Is the inspection result normal?
YES- Bose Audio.
NO- GO TO 4.

4. CHECK MULTIFUNCTION SWITCH

Operate the multifunction switch to check that the audio, navigation system, and air conditioner operate properly.
Is the inspection result normal?
YES- Replace the ADAS control unit. Service and Repair.
NO- Repair or replace malfunctioning parts.