DTC C1AA3: Vehicle Speed Sensor Circuit [08/2017 - 08/2019]: Procedure

HINT: 

If DTC C1AA3 is stored, the vehicle stability control system may be malfunctioning. Check for DTCs related to the vehicle stability control system first.

1. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2017 - 08/2019]

   Result

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

Result: 

B 

GO TO VEHICLE STABILITY CONTROL SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2017 - 08/2018]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2018 - 08/2019] 

Result: 

A 

See step  2

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [08/2017 - 08/2019]

2. Make sure that the DTC detection conditions are met.

   HINT: 

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

3. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2017 - 08/2019]

   Result

   Result	Proceed to
   DTC C1AA3 is not output	A
   DTC C1AA3 is output	B

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2017 - 08/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2018 - 08/2019] 

Result: 

B 

See step  3

1. Replace the forward recognition camera.

   Refer to REMOVAL [08/2017 - ]

2. Perform forward recognition camera axis adjustment.

   Refer to ADJUSTMENT (SEQUENTIAL RECOGNITION) [08/2017 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [08/2017 - 08/2019]

2. Make sure that the DTC detection conditions are met.

   HINT: 

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

3. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2017 - 08/2019]

   Result

   Result	Proceed to
   DTC C1AA3 is not output	A
   DTC C1AA3 is output	B

Result: 

A 

END (FORWARD RECOGNITION CAMERA WAS DEFECTIVE) 

Result: 

B 

REPLACE SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to  REMOVAL [08/2017 - ]