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CCS-368 < SYMPTOM DIAGNOSIS > [DCA] DCA SYSTEM NOT ACTIVATED (SWITCH IS ON) DCA SYSTEM NOT ACTIVATED (SWITCH IS ON) Description INFOID:0000000005502005 The DCA switch can be turned ON/OFF, but the DCA system does not operate. No operation condition • When the brake pedal depressed Operation cancellation condition • When the DCA switch is turned to OFF vehicles becomes difficult Diagnosis Procedure INFOID:0000000005502006 1. CHECK CAUSE OF AUTOMATIC CANCELLATION Check if there is any cancellation cause in the “CAUSE OF AUTO-CANCEL” on “WORK SUPPORT” of “ICC” Is it displayed? Not displayed>>GO TO 2. “IGN LOW VOLT”>>Refer to “CAN COMM ERROR”>>Refer to CCS-313, "ICC SENSOR INTEGRATED UNIT : DTC Logic" “ABS/TCS/VDC CIRC”>>Refer to “BCU CIRCUIT”>>Refer to “APA HI TEMP”>>Refer to 2. PERFORM ALL OF THE SELF-DIAGNOSIS 1. Perform “All DTC Reading”. 2. Check if any DTC is detected in self-diagnosis results of “ICC”. Refer to . Is any DTC detected? YES >> GO TO 3. NO >> GO TO 4. 3. REPAIR OR REPLACE MALFUNCTIONING PARTS Repair or replace malfunctioning parts identified by the self-diagnosis result. >> GO TO 6. 4. CHECK EACH SWITCH AND VEHICLE SPEED SIGNAL 1. Start the engine. 2. Check that the following items operate normally in “DATA MONITOR” of “ICC”. - “VHCL SPEED SE” - “BRAKE SW” - “DCA ON SW” Is there a malfunctioning item? All items are normal>>GO TO 5. . “BRAKE SW”>>Refer to . “DCA ON SW”>>Refer to . |