BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: C1337: Different Diameter Tire
Malfunction
C1337 - Different Diameter Tire Malfunction
DESCRIPTION
The skid control ECU measures the speed of each wheel by receiving signals from the speed sensor.
These signals are used for recognizing that all 4 wheels are operating properly.
Therefore, all wheel signals must be equal.
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
When replacing the brake actuator assembly, perform zero point calibration and store system information See: Brakes and
Traction Control/Antilock Brakes / Traction Control Systems/Testing and Inspection/Programming and Relearning.
PROCEDURE
1. CHECK TIRES
(a) Check the size and condition of all 4 tires See: Maintenance/Wheels and Tires/Testing and Inspection/Component Tests and General
Diagnostics.
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.
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