DTC C1A4A: Skid Control Buzzer Circuit [03/2014 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Chassis / ABS/VSC/TRAC / Active Test / Buzzer.
5. Check that the skid control buzzer sounds.
   ABS/VSC/TRAC
   
   

   Tester Display	Test Part	Control Range	Diagnostic Note
   Buzzer	Skid control buzzer	Buzzer ON/OFF	Buzzer can be heard

   OK

   Skid control buzzer sounds.

NG → See step   4 

OK: Go to next step 

1. Replace the skid control ECU. Refer to REMOVAL [03/2014 - ] .

NEXT: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes.
5. Clear the DTCs. Refer to DTC CHECK / CLEAR [03/2014 - ] .
6. Recheck for DTCs.

   OK

   DTC C1A4A is not output.

NG → See step   5 

OK → END (SKID CONTROL ECU WAS DEFECTIVE)