DTC C1299: Cancellation of 4WD Control: Procedure

1. Check the size and condition of all 4 tires. Refer to INSPECTION .

   HINT: 

   This DTC is output when tire deformation or a difference in tire size is detected.

   OK

   The diameter and air pressure of all 4 tires are the same.

NG → REPLACE TIRE SO THAT ALL 4 TIRES ARE THE SAME IN SIZE 

OK: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Check if the Brake control system DTC is output. Refer to DTC CHECK / CLEAR .
5. Read the DTCs using the Techstream.
   RESULT
   
   

   Result	Proceed to
   Only "C1299" is output	A
   "C1299" and other DTCs (Brake control system DTC)	B

B → See step   6 

A: Go to next step 

1. Clear the DTC. Refer to DTC CHECK / CLEAR .
2. Start the engine.
3. Drive the vehicle at the speed of 20 km/h (12 mph) or more and check that the same DTC is output.
   RESULT
   
   

   Result	Proceed to
   DTC is output (C1299)	A
   DTC is not output	B

B → END 

A: Go to next step 

1. Replace 4WD control ECU. Refer to REMOVAL .

NEXT: Go to next step 

1. Clear the DTC. Refer to DTC CHECK / CLEAR .
2. Start the engine.
3. Drive the vehicle at the speed of 20 km/h (12 mph) or more and check that the same DTC is output.
   RESULT
   
   

   Result	Proceed to
   DTC is output (C1299)	A
   DTC is not output	B

B → END 

A → REPLACE ELECTRO MAGNETIC CONTROL COUPLING SUB-ASSEMBLY