3

Power assist differs between right and left turns.

• Steering gear and linkage malfunction.

• EPS CM malfunction.

• Poor connection of EPS CM connector, terminal damage.

• The steering wheel angle neutral position automatic learning function has not been operated.

NOTE:

• The steering angle learned by the EPS CM is cleared when 1 min. or more has elapsed after the ignition was switched off.

STEP

INSPECTION

ACTION

1

• Have DTCs been recorded in the memory?

Yes

Perform inspection using the appropriate DTC.

No

Go to the next step.

2

• Switch the ignition off and maintain this condition 2 min. or more.

• Switch the ignition ON (engine on).

• Drive 10 m {33 ft} or above in a straight line at more than 10 km/h {6.2 mph}.

• Is there recurrence of malfunction?

Yes

Go to the next step.

No

Temporary error occurred while learning steering wheel angle neutral position.

There is not malfunction in the EPS system.

3

• Inspect the connection of the EPS CM connector.

• Disconnect the EPS CM connector.

• Inspect both the EPS CM and wiring harness-side connector for poor connection (such as damage/pulled-out pins, corrosion).

• Are all the pins normal?

Yes

Perform wheel alignment inspection.

(See WHEEL ALIGNMENT PRE-INSPECTION.) (See FRONT WHEEL ALIGNMENT.) (See REAR WHEEL ALIGNMENT.)

No

If poor connection of EPS CM connector:

• Securely connect the EPS CM connector.

If the EPS CM side connector is wrong:

• Replace the EPS CM.

  (See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION.)

If the wiring harness-side connector is wrong:

• Repair or replace the pins and/or the connector.

• Recheck malfunction symptoms, then replace the steering gear and linkage.

  (See STEERING GEAR AND LINKAGE REMOVAL/INSTALLATION.)