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
- The DCA system switch indicator does not illuminate even if the DCA switch is depressed.

The switch does not turn OFF
- The DCA system switch indicator does not turn off even if the DCA switch is pressed when the DCA system switch indicator illuminates.

NOTE:
The system cannot be operated when setting conventional (fixed speed) cruise control mode.




SWITCH DOES NOT TURN ON / SWITCH DOES NOT TURN OFF


Diagnosis Procedure

1.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". Refer to Testing and Inspection.
Is any DTC detected?
YES - GO TO 6.
NO - GO TO 2.
2.DCA SWITCH INSPECTION
1. Start the engine.
2. Check that "DCA ON SW" operates normally in "DATA MONITOR" of "ICC" 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" with CONSULT-III.
3. Check if the DCA system switch indicator illuminates when the test item is operated.
Is the inspection result normal?
YES - Refer to Intermittent Incident.
NO - GO TO 4.
4.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.
5.CHECK DCA SWITCH CIRCUIT
Check the DCA switch circuit. Refer to DCA.
Is the inspection result normal?
YES - GO TO 7.
NO - GO TO 6.
6.REPAIR OR REPLACE MALFUNCTIONING PARTS.
Repair or replace malfunctioning parts.
- GO TO 7.
7.CHECK DCA SYSTEM
1. Erase "self-diagnosis result", and then perform "All DTC Reading" again after performing the action test.
(Refer to DCA for action test.)
2. Check that the DCA system is normal.
- INSPECTION END