LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2008 >> Land Cruiser >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control/Dynamic Control Systems >> Vehicle Stability Control System >> DTC C1337/37 Different Diameter Tire Malfunction >> Inspection Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inspection Procedure

NOTE: When replacing the master cylinder solenoid, perform zero point calibration (See CALIBRATION  ).
  1. CHECK TIRE SIZE 
    1. Check tire size and condition of all 4 wheels.

      OK: Condition of all 4 wheels is normal and tire size is same. 

    NG: REPLACE TIRES SO THAT ALL 4 TIRES ARE SAME SIZE 

    OK: Go to Next Step 

  2. INSPECT SPEED SENSOR ROTOR 
    1. Check the front speed sensor rotors (See DTC C0200/31 FRONT SPEED SENSOR RH CIRCUIT; DTC C0205/32 FRONT SPEED SENSOR LH CIRCUIT: DTC C1235/35 FOREIGN OBJECT IS ATTACHED ON TIP OF FRONT SPEED SENSOR RH: DTC C1236/36 FOREIGN OBJECT IS ATTACHED ON TIP OF FRONT SPEED SENSOR LH  ) and rear speed sensor rotors (See DTC C0210/33 REAR SPEED SENSOR RH CIRCUIT: DTC C0215/34 REAR SPEED SENSOR LH CIRCUIT: DTC C1238/38 FOREIGN OBJECT IS ATTACHED ON TIP OF REAR SPEED SENSOR RH: DTC C1239/39 FOREIGN OBJECT IS ATTACHED ON TIP OF REAR SPEED SENSOR LH ).

      Result 

      RESULT REFERENCE

      Result Proceed to
      OK A
      NG Front speed sensor B
      Rear speed sensor C

    B: REPLACE FRONT AXLE HUB SUBASSEMBLY (SPEED SENSOR ROTOR)  (See REMOVAL )

    C: REPLACE REAR AXLE HUB AND BEARING ASSEMBLY (SPEED SENSOR ROTOR)  (See DISASSEMBLY )

    A: Go to Next Step 

  3. INSPECT SPEED SENSOR 
    1. Check the front speed sensor circuit (See DTC C0200/31 FRONT SPEED SENSOR RH CIRCUIT; DTC C0205/32 FRONT SPEED SENSOR LH CIRCUIT: DTC C1235/35 FOREIGN OBJECT IS ATTACHED ON TIP OF FRONT SPEED SENSOR RH: DTC C1236/36 FOREIGN OBJECT IS ATTACHED ON TIP OF FRONT SPEED SENSOR LH  ) and rear speed sensor circuit (See DTC C0210/33 REAR SPEED SENSOR RH CIRCUIT: DTC C0215/34 REAR SPEED SENSOR LH CIRCUIT: DTC C1238/38 FOREIGN OBJECT IS ATTACHED ON TIP OF REAR SPEED SENSOR RH: DTC C1239/39 FOREIGN OBJECT IS ATTACHED ON TIP OF REAR SPEED SENSOR LH ).

      Result 

      RESULT REFERENCE

      Result Proceed to
      OK A
      NG Front speed sensor B
      Rear speed sensor C

    B: REPLACE FRONT SPEED SENSOR  (See FRONT SPEED SENSOR  )

    C: REPLACE REAR SPEED SENSOR  (See REAR SPEED SENSOR  )

    A: Go to Next Step 

  4. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - SPEED SENSOR) 
    1. Check the front speed sensor circuit (See DTC C0200/31 FRONT SPEED SENSOR RH CIRCUIT; DTC C0205/32 FRONT SPEED SENSOR LH CIRCUIT: DTC C1235/35 FOREIGN OBJECT IS ATTACHED ON TIP OF FRONT SPEED SENSOR RH: DTC C1236/36 FOREIGN OBJECT IS ATTACHED ON TIP OF FRONT SPEED SENSOR LH  ) and rear speed sensor circuit (See DTC C0210/33 REAR SPEED SENSOR RH CIRCUIT: DTC C0215/34 REAR SPEED SENSOR LH CIRCUIT: DTC C1238/38 FOREIGN OBJECT IS ATTACHED ON TIP OF REAR SPEED SENSOR RH: DTC C1239/39 FOREIGN OBJECT IS ATTACHED ON TIP OF REAR SPEED SENSOR LH ).

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to Next Step 

  5. RECONFIRM DTC 
    1. Clear the DTCs (See DTC CHECK/CLEAR  ).
    2. Drive the vehicle at a speed of approximately 32 km/h (20 mph) or more for 60 seconds or more.
    3. Check if the same DTCs are output (See DTC CHECK/CLEAR  ).

      HINT:

      Reinstall the sensors, connectors, etc. and restore the previous vehicle conditions before rechecking for DTCs.

      Result 

      RESULT REFERENCE

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

    B: USE SIMULATION METHOD TO CHECK  (See HOW TO PROCEED WITH TROUBLESHOOTING )

    A: REPLACE MASTER CYLINDER SOLENOID  (See DISASSEMBLY )