DTC C1A71: Power Steering Control Torque [10/2015 - ]: Procedure

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

   Refer to DTC CHECK / CLEAR [12/2012 - ]

   Chassis > EMPS > Trouble Codes 

   Result

   Result	Proceed to
   Power steering system DTCs are not output.	A
   Power steering system DTCs are output.	B

Result: 

B 

GO TO POWER STEERING SYSTEM:  HOW TO PROCEED WITH TROUBLESHOOTING [12/2012 - ] 

Result: 

A 

See step  2

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Chassis / LKA/LDA / Trouble Codes.
5. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [10/2015 - ]

   Chassis > LKA/LDA > Clear DTCs 

6. Make sure the following conditions are met:

   HINT: 

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

   1. Turn the ignition switch to ON and wait 62 seconds or more.
   2. Drive the vehicle at 1 km/h (0.6 mph) or more.
7. Check for DTCs.

   Refer to DTC CHECK / CLEAR [10/2015 - ]

   Chassis > LKA/LDA > Trouble Codes 

   Result

   Result	Proceed to
   DTC C1A71 is not output.	A
   DTC C1A71 is output.	B

Result: 

A 

USE SIMULATION METHOD TO CHECK:  HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - 08/2016]  ,  HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - 08/2017]  ,  HOW TO PROCEED WITH TROUBLESHOOTING [08/2017 - ] 

Result: 

B 

See step  3

1. Replace the forward recognition camera.

   Refer to REMOVAL [10/2015 - ]

2. Adjust the forward recognition camera.

   Refer to ADJUSTMENT [10/2015 - ]

Result: 

NEXT 

See step  4

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Chassis / LKA/LDA / Trouble Codes.
5. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [10/2015 - ]

   Chassis > LKA/LDA > Clear DTCs 

6. Make sure the following conditions are met:

   HINT: 

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

   1. Turn the ignition switch to ON and wait 62 seconds or more.
   2. Drive the vehicle at 1 km/h (0.6 mph) or more.
7. Check for DTCs.

   Refer to DTC CHECK / CLEAR [10/2015 - ]

   Chassis > LKA/LDA > Trouble Codes 

   Result

   Result	Proceed to
   DTC C1A71 is not output.	A
   DTC C1A71 is output.	B

Result: 

A 

END (FORWARD RECOGNITION CAMERA WAS DEFECTIVE) 

Result: 

B 

REPLACE POWER STEERING ECU ASSEMBLY:  REMOVAL [12/2012 - ]