DTC C1AA3: Vehicle Speed Sensor Circuit [12/2012 - 10/2015]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Enter the following menus: Chassis / ABS/VSC/TRAC / Trouble Codes.
4. Check for DTCs.

   Chassis > ABS/VSC/TRAC > Trouble Codes 

   Result	Proceed to
   	Vehicle stability control system DTCs are not output
   	Vehicle stability control system DTCs are output

Result: 

Vehicle stability control system DTCs are output 

GO TO VEHICLE STABILITY CONTROL SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2012 - ]  . 

Result: 

Vehicle stability control system DTCs are not output 

See step  2

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Enter the following menus: Chassis / Lane Departure Alert / Clear DTCs.
4. Clear the DTCs.

   Chassis > Lane Departure Alert > Clear DTCs 

Result: 

NEXT 

See step  3

1. Perform the following to make sure the DTC detection conditions are met.

   HINT: 

   If the detection conditions are not met, the system cannot detect the malfunction.

   1. Drive the vehicle at a speed between 50 km/h (32 mph) and 220 km/h (138 mph) and operate the lane departure alert system.
2. Connect the Techstream to the DLC3.
3. Turn the ignition switch to ON.
4. Enter the following menus: Chassis / Lane Departure Alert / Trouble Codes.
5. Check for DTCs.

   Chassis > Lane Departure Alert > Trouble Codes 

   Result	Proceed to
   	No DTCs are output
   	DTC C1AA3 is output

Result: 

No DTCs are output 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2012 - 11/2013]  or  HOW TO PROCEED WITH TROUBLESHOOTING [11/2013 - 10/2015]  . 

Result: 

DTC C1AA3 is output 

REPLACE LANE DEPARTURE WARNING CAMERA. Refer to  REMOVAL [12/2012 - 10/2015]  .