DTC C1AA1: FCM Destination Information Unmatched [12/2012 - 10/2015]: Procedure

1. Perform the lane departure warning camera adjustment.

   Refer to ADJUSTMENT [12/2012 - 10/2015] .

Result: 

NEXT 

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 C1AA1 is output

Result: 

No DTCs are output 

END (LANE DEPARTURE WARNING CAMERA ADJUSTMENT IS DEFECTIVE) 

Result: 

DTC C1AA1 is output 

See step  4

1. Replace the main body ECU (multiplex network body ECU) with a new one.

   Refer to REMOVAL [12/2012 - ] .

Result: 

NEXT 

See step  5

1. Perform the lane departure warning camera adjustment.

   Refer to ADJUSTMENT [12/2012 - 10/2015] .

Result: 

NEXT 

See step  6

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  7

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 C1AA1 is output

Result: 

No DTCs are output 

END (MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] IS DEFECTIVE) 

Result: 

DTC C1AA1 is output 

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