DTC C1AAD: Vehicle Information Initialization Incomplete [11/2016 - ]: Procedure

HINT: 

The forward recognition camera communicates with the ECM via CAN communication. Confirm that the CAN communication system is functioning normally before proceeding.

1. Check for DTCs.

   Refer to DTC CHECK / CLEAR [11/2016 - ]

   Chassis > LKA/LDA > Trouble Codes 

   Result	Proceed to
   DTC U0100 is not output	A
   DTC U0100 is output	B

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM. 

Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2016 - ] 

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 / Front Recognition Camera / Data List.
5. Read the Data List according to the display on the Techstream.

   Chassis > Front Recognition Camera > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Vehicle Information (2WD/4WD)	Vehicle information	2WD, 4WD or Unknown	2WD: for 2WD 4WD: for AWD Unknown: Vehicle information not confirmed	-
   Vehicle Information (Conv/HV)	Vehicle information	Conv, HV or Unknown	Conv: Conventional HV: Hybrid vehicle Unknown: Vehicle information not confirmed	-

   Chassis > Front Recognition Camera > Data List 

   Tester Display
   Vehicle Information (2WD/4WD)
   Vehicle Information (Conv/HV)

   HINT: 

   • If "Unknown" is displayed, the ECM cannot send vehicle information or the forward recognition camera cannot store the vehicle information. Check for DTCs, replace the ECM if necessary and recheck for DTCs. If the DTC is output again, replace the forward recognition camera.
   • If "Unknown" is not displayed, the DTC is stored even though the vehicle information is stored in the forward recognition camera. Replace the forward recognition camera.

   Result	Proceed to
   "Unknown" is displayed	A
   "Unknown" is not displayed	B

Result: 

B 

REPLACE FORWARD RECOGNITION CAMERA. 

Refer to  COMPONENTS [11/2016 - ] 

Result: 

A 

See step  3

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [11/2016 - ]

   Chassis > LKA/LDA > Clear DTCs 

2. Perform the following procedure.

   HINT: 

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

   1. Turn the ignition switch to ON and wait 2 seconds or more.
3. Check for DTCs.

   Refer to DTC CHECK / CLEAR [11/2016 - ]

   Chassis > LKA/LDA > Trouble Codes 

   Result	Proceed to
   DTC C1AAD is not output	A
   DTC C1AAD is output	B

Result: 

A 

USE SIMULATION METHOD TO CHECK. 

Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2016 - ] 

Result: 

B 

See step  4

1. Replace the ECM.

   for 1AR-FE: Refer to REMOVAL [12/2013 - ]

   for 2GR-FKS: Refer to REMOVAL [11/2016 - ]

Result: 

NEXT 

See step  5

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [11/2016 - ]

   Chassis > LKA/LDA > Clear DTCs 

2. Perform the following procedure.

   HINT: 

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

   1. Turn the ignition switch to ON and wait 2 seconds or more.
3. Check for DTCs.

   Refer to DTC CHECK / CLEAR [11/2016 - ]

   Chassis > LKA/LDA > Trouble Codes 

   Result	Proceed to
   DTC C1AAD is not output	A
   DTC C1AAD is output	B

Result: 

A 

END (ECM WAS DEFECTIVE) 

Result: 

B 

Refer to  COMPONENTS [11/2016 - ] 

REPLACE FORWARD RECOGNITION CAMERA.