DCA

SWITCH DOES NOT TURN ON / SWITCH DOES NOT TURN OFF

Description

- When the DCA system setting is ON, the DCA system switch indicator does not illuminate even if the dynamic driver assistance switch is depressed.
- The DCA system switch indicator does not turn OFF even if the dynamic driver assistance switch is pressed when the DCA system switch indicator illuminates.
NOTE:
The system cannot be operated when setting conventional (fixed speed) cruise control mode.


Diagnosis Procedure


1. CHECK DCA SYSTEM SETTING

1.Start the engine.
2.After starting the engine wait for 5 seconds or more.
3.Check that DCA system setting on the navigation screen is ON.
Is DCA system setting ON?
YES- GO TO 2.
NO- Enable the DCA system setting.

2. DYNAMIC DRIVER ASSISTANCE SWITCH INSPECTION

1.Start the engine.
2.Check that "DYNA ASIST SW" operates normally in "DATA MONITOR" of "ICC/ADAS" with CONSULT.
Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 5.

3. CHECK DCA SYSTEM SWITCH INDICATOR CIRCUIT

1.Start the engine.
2.Select the active test item "DCA INDICATOR" of "ICC/ADAS" with CONSULT.
3.Check if the DCA system switch indicator illuminates when the test item is operated.
Is the inspection result normal?
YES- GO TO 6.
NO- GO TO 4.

4. PERFORM THE SELF-DIAGNOSIS OF COMBINATION METER

1.Perform "All DTC Reading" with CONSULT.
2.Check if the DTC is detected in self-diagnosis results of "METER/M&A". Refer to "DTC Index" Testing and Inspection.
Is the inspection result normal?
YES- GO TO 7.
NO- GO TO 6.

5. CHECK STEERING SWITCH CIRCUIT

Check the steering switch circuit. Refer to "Diagnosis Procedure" DCA.
Is the inspection result normal?
YES- GO TO 6.
NO- GO TO 7.

6. 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". Refer to "DTC Index" Testing and Inspection.
Is any DTC detected?
YES- GO TO 7.
NO- GO TO 8.

7. REPAIR OR REPLACE MALFUNCTIONING PARTS.

Repair or replace malfunctioning parts.
- GO TO 8.

8. CHECK DCA SYSTEM

1.Erase "self-diagnosis result", and then perform "All DTC Reading" again after performing the action test.
(Refer to "Description" DCA for action test.)
2.Check that the DCA system is normal.
- INSPECTION END