DTC C1299/99: Cancellation of 4WD Control: Procedure

WARNING: This page is about a different car, the 2011 Toyota Matrix. However, it is still accessible from the selected car via links, so may be relevant.

CHECK TIRE CONDITION
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

RECONFIRM DTC

Clear the DTC. Refer to DTC CHECK / CLEAR .
Start the engine.

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	A
DTC is not output	B

B → END

A → See step 3

REPLACE 4WD CONTROL ECU. Refer to REMOVAL