LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2006 >> RX 330 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Brakes - Abs With EBD & BD & TRAC & VSC (Diagnostics)) >> DTC C1337/37 Different Diameter Tire Malfunction >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2006 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

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.

DIAGNOSTIC TROUBLE CODE TABLE

DTC No. DTC Detection Condition Trouble Area
C1337/37 When either of the following conditions is detected:
  • Diameter is different between the 2 front wheels and the 2 rear wheels.
  • Wheel speed sensor fault.
  • Tire size
  • Speed sensor
  • Speed sensor rotor
  • Speed sensor circuit