Generic selectors
Exact matches only
Search in title
Search in content
Post Type Selectors

DTC U2100:00 [START STOP UNIT]

< Previous Next >

2016 – MX-5 – Body and Accessories

DTC U2100:00 [START STOP UNIT]

Description

Start stop unit configuration not completed

Detection condition

  • Start stop unit configuration not completed.

Fail-safe

  • Although the engine cannot be started with the ignition switched off or to ACC, if the ignition is switched ON (engine off), the engine can be started.

    NOTE:

    • If the start stop unit configuration is not completed, the start stop unit setting will be for an AT vehicle.

    • For MT vehicles, if the start stop unit cannot receive the CAN signal, the engine cannot be started because the vehicle cannot be recognized as a MT vehicle.

Possible cause

NOTE:

  • This DTC is output if configuration is not performed after replacing the start stop unit.

  • Start stop unit configuration error

  • Start stop unit malfunction

System wiring diagram

Not applicable

Diagnostic Procedure

Step

Inspection

Action

1

PERFORM START STOP UNIT CONFIGURATION (USING AS-BUILT DATA)

Yes

Using the M-MDS, perform the start stop unit configuration (using As-Built data) again, then go to the next step.

(See START STOP UNIT CONFIGURATION (USING AS-BUILT DATA).)

No

Go to Step 3.

2

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.

3

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.

< Previous Next >

© 2014 Mazda North American Operations, U.S.A.