Diagnosis Procedure

CONSULT

1. Start the engine.
   CAUTION: Never drive the vehicle.
2. Select "Self Diagnostic Result" MODE of "EPS/DAST 3" and "DAST 2".
3. Check the diagnostic result for "EPS/DAST 3", "DAST 1" and "DAST 2".

What is DTC detected?

Except C13E9-00, C13EB-00, C13EE-00, C13EF-00, C13F0-00, C13F1-00 or C13F2-00

Refer to DTC Index (EPS/DAST 3), DTC Index (DAST 1), DTC Index (DAST 2).

C13EE-00, C13EF-00, C13F0-00, C13F1-00 or C13F2-00

GO TO 4.

C13E9-00 or C13EB-00

GO TO 2.

1. Drive straight ahead at around 20 MPH (32 km/h) or more for more than 5 seconds.
   CAUTION:

   • Check the safety operation of the vehicle before driving.
   • Bumps, pot holes, or other steering input may affect the calibration. Drive on a straight flat road.
   • Keep the steering wheel, so the vehicle stays in a straight line.
   • Traffic condition that requires steering input may affect the calibration. Drive on a road with very light or no traffic.
   NOTE: Drive at 40 MPH (65 km/h) or less, as much as possible. It is easy to succeed with the work.
2. Stop the vehicle.
3. Ignition switch OFF and then start the engine.

Does the power steering warning lamp turn OFF?

YES

Inspection End.

NO

Steering wheel is not off-center: Repeat the step 1-3 (driving - placing ignition switch OFF/ON) 5 times until the warning lamp turns OFF. When the waning lamp does not turn OFF, GO TO 3.

NO

Steering wheel is off-center: GO TO 3.

1. When the vehicle has not yet stopped, stop the vehicle on the safety place.
2. Ignition switch OFF, and then ON again.
3. Turn the steering wheel to the center position.
4. Turn the steering wheel to left/right 90 degree or more from center position 2 times.
5. Drive straight ahead at around 20 MPH (32 km/h) or more for more than 5 seconds.
   CAUTION:

   • Check the safety operation of the vehicle before driving.
   • Bumps, pot holes, or other steering input may affect the calibration. Drive on a straight flat road.
   • Keep the steering wheel, so the vehicle stays in a straight line.
   • Traffic condition that requires steering input may affect the calibration. Drive on a road with very light or no traffic.
   NOTE: Drive at 40 MPH (65 km/h) or less, as much as possible. It is easy to succeed with the work.
6. During driving the vehicle, turn the steering wheel to the center position slowly.
7. Stop the vehicle.
8. Ignition switch OFF and then start the engine.

Does the power steering warning lamp turn OFF?

YES

Inspection End.

NO

Repeat the step 3-8 (driving - placing ignition switch OFF/ON) 5 times until the warning lamp turns OFF. When the waning lamp does not turn OFF, GO TO 4.

1. Set the front wheel on the turn table.
   NOTE: Do not lift up the vehicle during "DAST CALIBRATION (MODE 1)"
2. Connect the battery charger to protect the 12V battery.
   NOTE: "DAST CALIBRATION (MODE 1)" has a high current draw.
3. Connect the CONSULT.
4. Ignition switch ON.
   CAUTION: Never start the engine.

GO TO 5.

CONSULT

1. Perform configuration for steering force control module. Refer to Work Procedure .
   NOTE: The replacement of control module included in configuration is not required.
2. Perform configuration for steering angle main control module. Refer to Work Procedure .
   NOTE: The replacement of control module included in configuration is not required.
3. Perform configuration for steering angle sub control module. Refer to Work Procedure .
   NOTE: The replacement of control module included in configuration is not required.

GO TO 6.

Confirm that rear cap projection of steering gear is aligned in the center of the lower joint. Perform "INSPECTION AFTER INSTALLATION." Refer to Removal and Installation .

Is the inspection result normal?

YES

GO TO 7.

NO

Repair as necessary, GO TO 7.

CONSULT

1. Perform "DAST CALIBRATION (MODE 1)". Refer to Description .
2. Ignition switch OFF.
   CAUTION: Be sure to perform this step.

GO TO 8.

CONSULT

1. Ignition switch ON.
   CAUTION: Never start the engine.
2. Perform "DAST CALIBRATION (MODE 1)". Refer to Description .

GO TO 9.

CONSULT

1. Select "ST ANGLE SENSOR ADJUSTMENT" in "Work support" MODE of "ABS".
2. Select "START".
   CAUTION: Never touch steering wheel while adjusting steering angle sensor.
3. After approx. 10 seconds, select "END".
4. Ignition switch OFF, and then ON again.
   CAUTION: Be sure to perform this step.

GO TO 10.

CONSULT

1. Ignition switch OFF and wait at least 10 seconds.
2. Start the engine.
   CAUTION: Never drive the vehicle.
3. Select "Self Diagnostic Result" MODE of "DAST 1".

Is DTC "C13E9-00" detected?

YES

Replace steering angle main control module, steering angle sub control module and steering force control module. Refer to Removal and Installation (steering force control module), Removal and Installation (steering angle main control module), Removal and Installation (steering angle sub control module). After replacing the control modules, confirm that DTC "C13E9-00" is not detected.

NO

Inspection End.