DTC C1AA3: Vehicle Speed Sensor Circuit [07/2015 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Chassis / ABS/VSC/TRAC / Trouble Codes.
5. Check if DTCs are output. Refer to DTC CHECK / CLEAR [07/2015 - ]

   Result

   Result	Proceed to
   Electronically controlled brake system DTCs are not output.	A
   Electronically controlled brake system DTCs are output.	B

6. Turn the power switch off.

Result:  B

B 

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM 

Refer to DIAGNOSTIC TROUBLE CODE CHART [07/2015 - ]

Result:  A

A 

See step  2

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Chassis / Front Recognition Camera / Trouble Codes.
5. Clear the DTCs. Refer to DTC CHECK / CLEAR [07/2015 - ]
6. Make sure that the DTC detection conditions are met.

   HINT: 

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

7. Check for DTCs. Refer to DTC CHECK / CLEAR [07/2015 - ]

   Result

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

8. Turn the power switch off.

Result:  B

B 

USE SIMULATION METHOD TO CHECK 

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2015 - ]

Result:  A

A 

See step  3

1. Replace the forward recognition camera. Refer to REMOVAL [07/2015 - ]
2. Adjust the forward recognition camera. Refer to ADJUSTMENT [07/2015 - ]

Result:  NEXT

NEXT 

See step  4

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Chassis / Front Recognition Camera / Trouble Codes.
5. Clear the DTCs. Refer to DTC CHECK / CLEAR [07/2015 - ]
6. Make sure that the DTC detection conditions are met.

   HINT: 

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

7. Check for DTCs. Refer to DTC CHECK / CLEAR [07/2015 - ]

   Result

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

Result:  A

A 

REPLACE BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY (SKID CONTROL ECU) 

Refer to COMPONENTS [07/2015 - ]

Result:  B

B 

END (FORWARD RECOGNITION CAMERA WAS DEFECTIVE)