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DTC C0051:95 [START STOP UNIT]

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2016 – MX-5 – Body and Accessories

DTC C0051:95 [START STOP UNIT]

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 electric power steering (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

Not applicable

Possible cause

  • DTCs are stored in the electric power steering (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 ELECTRIC POWER STEERING (EPS) CONTROL MODULE DTCs

Yes

Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.

(See DTC TABLE [EPS CONTROL MODULE].)

No

Go to the next step.

2

VERIFY STEERING ANGLE SENSOR INSTALLATION CONDITION

Yes

Go to the next step.

No

Install the steering angle sensor correctly, then go to the next step.

(See CLOCK SPRING REMOVAL/INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM].)

(See CLOCK SPRING REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM].)

3

VERIFY THAT REPAIRS HAVE BEEN COMPLETED

Yes

Replace the start stop unit, then go to the next step.

(See START STOP UNIT REMOVAL/INSTALLATION.)

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.

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