DTC C0051:95 [START STOP UNIT]

id0902p6027700

Description

Steering angle sensor assembly malfunction
Detection condition
•  Start stop unit receives the following signals with the ignition switched ON (engine off or on).
―  Steering angle sensor assembly malfunction from EPS control module for 1 s or more
―  Improper assembly of steering angle sensor at 360°
―  Steering wheel angle of 720° or more for 0.048 s or more
Fail-safe function
Not applicable
Possible cause
•  DTCs are stored in the EPS control module.
•  Improper assembly of steering angle sensor
•  Start stop unit malfunction
System wiring diagram
Not applicable

Diagnostic Procedure

Step

Inspection

Action
1
VERIFY EPS CONTROL MODULE DTCs
•  Retrieve the EPS control module DTCs using the M-MDS.
•  Are any DTCs displayed?
Yes
Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See ELECTRIC POWER STEERING (EPS) ON-BOARD DIAGNOSIS.)
No
Go to the next step.
2
VERIFY STEERING ANGLE SENSOR INSTALLATION CONDITION
•  Verify the steering angle sensor installation condition.
•  Is the steering angle sensor installed correctly?
Yes
Go to the next step.
No
Install the steering angle sensor correctly, then go to the next step.
(See CLOCK SPRING REMOVAL/INSTALLATION.)
3
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Clear the DTC for the start stop unit using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 1 s or more.
•  Retrieve the start stop unit DTCs using the M-MDS.
•  Is the same DTC displayed?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the start stop unit.
Go to the next step.
No
Go to the next step.
4
VERIFY IF OTHER DTCs DISPLAYED
•  Are any other DTCs displayed?
Yes
Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [START STOP UNIT].)
No
DTC troubleshooting completed.