DCA

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
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 ASSIST SW" operates normally in "DATA MONITOR" of "ICC/ADAS" with CONSULT-III.
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-III.
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-III.
2. Check if the DTC is detected in self-diagnosis results of "METER/M&A". Testing and Inspection.
Is any DTC detected?
YES - GO TO 7.
NO - GO TO 6.
5.CHECK STEERING SWITCH CIRCUIT
Check the steering switch circuit. 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-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 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.
( DCA for action test.)
2. Check that the DCA system is normal.
- INSPECTION END