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Home >> Toyota >> 2008 >> RAV4 Base, 2.4 D, FWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control >> Vehicle Stability Control System >> DTC C1337/37 Different Diameter Tire Malfunction >> Inspection Procedure

Inspection Procedure

  1. CHECK TIRE SIZE 
    1. Check the diameter of all 4 tires.

      OK: Diameter of all 4 tires are equal. 

    NG: REPLACE TIRES WITH 4 EQUAL SIZE TIRES 

    OK: Go to next step. 

  2. CHECK SPEED SENSOR ROTOR 
    1. Remove the drive shaft, and check around the speed sensor rotor.

      OK: No scratches or foreign matter on the sensor tip. 

    NG: REPLACE SPEED SENSOR ROTOR 

    OK: Go to next step. 

  3. CHECK SPEED SENSOR 
    1. Check the speed sensor circuit (see INSPECTION PROCEDURE  or BC-68).

    NG: REPLACE SPEED SENSOR 

    OK: Go to next step. 

  4. CHECK WIRE HARNESS (SKID CONTROL ECU - EACH SPEED SENSOR) 
    1. Check the speed sensor circuit (see INSPECTION PROCEDURE  or BC-68).

    NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK: Go to next step. 

  5. RECONFIRM DTC 
    1. Clear the DTCs (see DTC CHECK / CLEAR  ).
    2. Drive the vehicle at more than 20 km/h (12 mph) for more than 60 seconds.
    3. Check if the same DTCs are detected.

      Result 

      DTC RESULT DESCRIPTION

      Result Proceed to
      DTC is output A
      DTC is not output B

    B: END 

    A: REPLACE ABS AND TRACTION ACTUATOR ASSEMBLY