Switch Does Not Turn On / Switch Does Not Turn Off

SWITCH DOES NOT TURN ON / SWITCH DOES NOT TURN OFF





Description

The switch does not turn ON
- 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 switch does not turn OFF
- 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
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.PERFORM THE SELF-DIAGNOSIS
1. Perform "All DTC Reading" with CONSULT-III.
2. Check if the DTC is detected in self-diagnosis results of "ICC/ADAS". Testing and Inspection.
Is any DTC detected?
YES - GO TO 7.
NO - GO TO 3.
3.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-III.
Is the inspection result normal?
YES - GO TO 4.
NO - GO TO 6.
4.CHECK DCA SYSTEM SWITCH INDICATOR CIRCUIT
1. Start the engine.
2. Select the active test item "DCA INDICATOR" of "ICC/ADAS" with CONSULT-III.
3. Check if the DCA system switch indicator illuminates when the test item is operated.
Is the inspection result normal?
YES - Intermittent Incident.
NO - GO TO 5.
5.CHECK DATA MONITOR OF UNIFIED METER AND A/C AMP.
Check that "DCA IND" operates normally in "DATA MONITOR" of "METER/M&A" with CONSULT-III.
Is the inspection result normal?
YES - Replace the combination meter.
NO - Replace the unified meter and A/C amp.
6.CHECK STEERING SWITCH CIRCUIT
Check the steering switch circuit. DCA.
Is the inspection result normal?
YES - GO TO 8.
NO - GO TO 7.
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.
( Description(Distance Control Assist) for action test.)
2. Check that the DCA system is normal.
- INSPECTION END