DTC C1AAA: FCM Destination Information Uninitialized; DTC C1AAD: Vehicle Information Initialization Incomplete [08/2015 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Chassis / Lane Departure Alert / Data List.
5. Read the Data List according to the display on the Techstream.
   LANE DEPARTURE ALERT
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Destination Information	Status of the country/JPN, NA, EURO, CHINA or OTHER (GEN-EXP)	Actual country code	-

   Result

   Result	Proceed to
   Country specification information for vehicle and lane departure warning camera match	A
   Country specification information for vehicle and lane departure warning camera do not match	B

B → See step   5 

A: Go to next step 

1. Clear the DTCs. Refer to DTC CHECK / CLEAR [08/2015 - ] .
2. Make sure that the DTC detection conditions are met.

   HINT: 

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

3. Check for DTCs. Refer to DTC CHECK / CLEAR [08/2015 - ] .

   Result

   Result	Proceed to
   DTC C1AAA and C1AAD are not output	A
   DTC C1AAA or C1AAD is output	B

B → See step   3 

A → See step   9 

1. Replace the lane departure warning camera with a new one. Refer to REMOVAL [08/2015 - ] .
2. Perform the lane departure warning camera adjustment. Refer to ADJUSTMENT [08/2015 - ] .

NEXT: Go to next step 

1. Clear the DTCs. Refer to DTC CHECK / CLEAR [08/2015 - ] .
2. Make sure that the DTC detection conditions are met.

   HINT: 

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

3. Check for DTCs. Refer to DTC CHECK / CLEAR [08/2015 - ] .

   Result

   Result	Proceed to
   DTC C1AAA and C1AAD are not output	A
   DTC C1AAA is output	B
   DTC C1AAD is output (for 2AR-FE)	C
   DTC C1AAD is output (for 2GR-FE)	D

B → See step   10 

C → See step   12 

D → See step   13 

A → END (LANE DEPARTURE WARNING CAMERA WAS DEFECTIVE) 

1. Replace the main body ECU (multiplex network body ECU) with a new one. Refer to REMOVAL [08/2015 - ] .

NEXT: Go to next step 

1. Clear the DTCs. Refer to DTC CHECK / CLEAR [08/2015 - ] .
2. Make sure that the DTC detection conditions are met.

   HINT: 

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

3. Check for DTCs. Refer to DTC CHECK / CLEAR [08/2015 - ] .

   Result

   Result	Proceed to
   DTC C1AAA and C1AAD are not output	A
   DTC C1AAA is output	B
   DTC C1AAD is output	C

B → See step   11 

C → See step   7 

A → END (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) WAS DEFECTIVE) 

1. Replace the ECM with a new one. Refer to REMOVAL [08/2015 - ] for 2AR-FE. Refer to REMOVAL [08/2015 - ] for 2GR-FE).

NEXT: Go to next step 

1. Clear the DTCs. Refer to DTC CHECK / CLEAR [08/2015 - ] .
2. Make sure that the DTC detection conditions are met.

   HINT: 

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

3. Check for DTCs. Refer to DTC CHECK / CLEAR [08/2015 - ] .

   Result

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

B → See step   14 

A → END (ECM WAS DEFECTIVE)