Dtc C1337 Diameter Of The Tire Is Not Uniform
Brake. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK TIRES
RECONFIRM DTC
DTC C1337 Diameter of the Tire is not Uniform |
DESCRIPTION
The skid control ECU measures the speed of each wheel by receiving signals from the speed sensors.These signals are used for recognizing that all 4 wheels are operating properly.Therefore, all wheel signals must be equal.DTC Code
| DTC Detection Condition
| Trouble Area
|
C1337
| The following occurs in 3 consecutive trips:
At a vehicle speed of 20 km/h (12 mph) or more, there is a 20% difference or more in the average speed between the front wheels and rear wheels for 20 seconds or more.
| - Tire and wheel size
- Tire deformation
- Speed sensor rotor
- Speed sensor
- Speed sensor circuit
- Brake actuator assembly (Skid control ECU)
|
WIRING DIAGRAM
INSPECTION PROCEDURE
- NOTICE:
- When replacing the brake actuator assembly, perform zero point calibration (RAV4_ACA30 RM000001K1O00SX.html).
- HINT:
- When C1401 to C1408 and/or C1413 to C1416 are output with C1337, inspect and repair the trouble areas indicated by C1401 to C1408 and/or C1413 to C1416 first (RAV4_ACA30 RM000000XHU06VX.html).
Check the size and condition of all 4 wheels (RAV4_ACA30 RM000001Y9S003X.html).
- HINT:
- The DTC is output when tire deformation or a difference in tire size is detected.
- OK:
- The diameter of all 4 tires and air pressure are the same.
| | REPLACE TIRES SO THAT ALL FOUR TIRES ARE SAME SIZE |
|
|
Clear the DTCs (RAV4_ACA30 RM000000ONJ02VX.html).
Start the engine.
Drive the vehicle at a speed of 40 km/h (25 mph) or more for at least 60 seconds.
Check if the same DTC is output (RAV4_ACA30 RM000000ONJ02VX.html).
- Result:
Result
| Proceed to
|
DTC (C1337) is output.
| A
|
DTC (C1337) is not output.
| B
|
