POWER STEERING SYSTEM CALIBRATION

TORQUE SENSOR ZERO POINT CALIBRATION (USING GTS)

1. Perform inspection before calibration.

   
   

   1. Turn the engine switch off.

   2. Connect the GTS to the DLC3.

   3. Turn the engine switch on (IG).

   4. Turn the GTS on.

   5. Calibrate the power steering ECU assembly. Enter the following menus: Chassis / EMPS / Data List.

   6. Check the values by referring to the table below.

      
      Chassis > EMPS > Data List

      Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
      IG Power Supply	IG power source voltage	Min.: 0.0000 V Max.: 20.1531 V	10.5 to 16 V	Engine switch on (IG)

      
      Chassis > EMPS > Data List

      Tester Display
      IG Power Supply

      Note

      If the IG power supply voltage is 10.5 V or less, calibration cannot be performed. In this case, charge or replace the battery, and then perform calibration.

      Perform torque sensor zero point calibration.

      Note

      If DTC C1516 (Torque Sensor Zero Point Adjustment Incomplete) is stored, the torque sensor zero point cannot be calibrated. Clear the DTCs before starting calibration.

      
      

      1. Align the front wheels straight ahead and center the steering wheel.

      2. Turn the engine switch off.

      3. Connect the GTS to the DLC3.

      4. Turn the engine switch on (IG).

      5. Turn the GTS on.

      6. Enter the following menus: Chassis / EMPS / Utility / Torque Sensor Adjustment.

         
         Chassis > EMPS > Utility

      Tester Display
      Torque Sensor Adjustment