DTC C1A46: Yaw Rate Sensor [08/2016 - ]: Procedure

HINT: 

Pre-collision system DTC C1A46 may be stored due to a malfunction in the vehicle stability control system. Therefore, it is necessary to check for and troubleshoot vehicle stability control system DTCs first.

1. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2015 - ]

   Chassis > ABS/VSC/TRAC > Trouble Codes 

   Result

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

Result:  2

B 

GO TO VEHICLE STABILITY CONTROL SYSTEM:  HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - ] 

Result:  1

A 

See step  2

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [08/2016 - ]

   Body Electrical > Pre-Collision 2 > Clear DTCs 

2. Perform the following procedure.

   HINT: 

   If the following procedure is not performed, the previously output DTC cannot be detected.

   1. Drive the vehicle at a speed of 5 km/h (4 mph) or more for 10 seconds or more.
3. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2016 - ]

   Body Electrical > Pre-Collision 2 > Trouble Codes 

   Result

   Result	Proceed to
   DTC C1A46 is not output	A
   DTC C1A46 is output	B

Result:  1

A 

USE SIMULATION METHOD TO CHECK:  HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - 08/2017]  Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2017 - ] 

Result:  2

B 

See step  3

1. Replace the driving support ECU assembly.

   Refer to REMOVAL [08/2016 - ]

   Result

   Proceed to
   NEXT

Result:  1

NEXT 

See step  4

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [08/2016 - ]

   Body Electrical > Pre-Collision 2 > Clear DTCs 

2. Perform the following procedure.

   HINT: 

   If the following procedure is not performed, the previously output DTC cannot be detected.

   1. Drive the vehicle at a speed of 5 km/h (4 mph) or more for 10 seconds or more.
3. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2016 - ]

   Body Electrical > Pre-Collision 2 > Trouble Codes 

   Result

   Result	Proceed to
   DTC C1A46 is not output	A
   DTC C1A46 is output	B

Result:  1

A 

END (DRIVING SUPPORT ECU ASSEMBLY WAS DEFECTIVE) 

Result:  3

B 

See step  5

1. Replace the yaw rate sensor (airbag sensor assembly).

   Refer to REMOVAL [08/2013 - ]

   Result

   Proceed to
   NEXT

Result:  1

NEXT 

See step  6

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [08/2016 - ]

   Body Electrical > Pre-Collision 2 > Clear DTCs 

2. Perform the following procedure.

   HINT: 

   If the following procedure is not performed, the previously output DTC cannot be detected.

   1. Drive the vehicle at a speed of 5 km/h (4 mph) or more for 10 seconds or more.
3. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2016 - ]

   Body Electrical > Pre-Collision 2 > Trouble Codes 

   Result

   Result	Proceed to
   DTC C1A46 is not output	A
   DTC C1A46 is output	B

Result:  1

A 

END (YAW RATE SENSOR WAS DEFECTIVE) 

Result:  2

B 

REPLACE SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY):  COMPONENTS [08/2015 - 08/2017]  Refer to  COMPONENTS [08/2017 - ]