DTC C1A0A: Front Radar Sensor Region Code Mismatch: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Clear the DTCs.
4. Enter the following menus: Powertrain / Radar Cruise / Data List / Country# (F Radar Sens).
5. Read the Data List and check the country specification information of the front millimeter wave radar sensor and vehicle.
   RADAR CRUISE
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Country# (F Radar Sens)	Millimeter wave radar sensor country signal / JPN, NA, EURO, AUS, SAFC, OTHER, TWN, CHINA, THAI, GCC, NOFIX	Actual country code	-

   RESULT
   
   

   Result	Proceed to
   Country specification information for vehicle and millimeter wave radar sensor match	A
   Country specification information for vehicle and millimeter wave radar sensor do not match	B

B → See step   3 

A: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Clear the DTCs. Refer to DTC CHECK / CLEAR .
4. Perform the following to make sure that the DTC detection conditions are met.

   HINT: 

   If the detection conditions are not met, the malfunction cannot be detected.

   1. Drive the vehicle at a speed for which radar cruise control operation is possible.
   2. Turn the cruise control system on using the cruise control switch (ON-OFF button).
   3. Push the cruise control switch to -/SET to begin control of vehicle speed using the cruise control system.
5. Enter the following menus: Powertrain / Radar Cruise / Trouble Codes.
6. Check for DTCs.

   Result

   Result	Proceed to
   DTC is not output	A
   DTC C1A0A is output	B

B → See step   5 

A → See step   4