Description
Unbalance steering wheel turning force and return between right and left.
Diagnosis Procedure
1.CHECK THE ILLUMINATION OF THE EPS WARNING LAMP
Check the EPS warning lamp while engine is running.
Does the EPS warning lamp turn OFF? YES >> GO TO 2.
NO >> Refer to STC-30, "Diagnosis Procedure".
2.CHECK WHEEL ALIGNMENT
Is the inspection result normal? YES >> GO TO 3.
NO >> Adjustment of wheel alignment. Refer to FSU-8, "Adjustment".
3.CHECK EPS CONTROL UNIT SIGNAL
With CONSULT
CAUTION: Never drive the vehicle.

Is the inspection result normal? YES >> GO TO 5.
NO >> GO TO 4.
4.CHECK EPS MOTOR
Perform the trouble diagnosis of EPS motor. Refer to STC-24, "Diagnosis Procedure".
Is the inspection result normal? YES >> GO TO 5.
NO >> Repair or replace the specific malfunctioning part.
5.CHECK STEERING WHEEL TURNING FORCE
Check the steering wheel turning force. Refer to ST-7, "Inspection".
Is the inspection result normal? YES >> Inspection End.
NO >> Check the steering wheel turning force for mechanical malfunction. Refer to ST-7, "Inspection".
Steering wheel turning force is heavy or light
Unbalance steering wheel turning force (torque variation)C1716, C1717, C1718, C1719 transmitter (pressure data)
DTC Logic
NOTE:
The Signal Tech II Tool [- (J-50190)] can be used to perform the following
functions. Refer to the Signal Tech II
User Guide for additional information.
Activate and display TPMS sensor IDs
Display tire pressure reported by the TPMS sensor
Read TPMS DTC ...
C1111 pump motor
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
C1111
PUMP MOTOR
When a malfunction is detected in motor or motor relay.
Harness or connector
ABS actuator and electric unit
(control unit)
&nb ...
Power supply and ground circuit
Diagnosis Procedure
Regarding Wiring Diagram information, refer to PCS-24, "Wiring Diagram".
1. CHECK FUSE AND FUSIBLE LINKS
Check that the following IPDM E/R fuse or fusible links are not blown.
Is the fuse blown?
YES >> Replace the blown fuse or fusible link after repairin ...