Description

Start stop unit configuration not completed

Detection condition

• Start stop unit configuration not completed.

Fail-safe function

• Although the engine cannot be started with the ignition switched OFF (LOCK) 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 ATX vehicle.

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

Possible cause

• Start stop unit configuration error

• Start stop unit malfunction

System wiring diagram

Not applicable

Step

Inspection

Action

1

• Using the M-MDS, perform the start stop unit configuration (using As-Built data).

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

• Clear the DTC for the start stop unit using the M-MDS.

  (See CLEARING DTC [START STOP UNIT].)

• Retrieve the start stop unit DTCs using the M-MDS.

  (See DTC INSPECTION [START STOP UNIT].)

• Is the same DTC displayed?

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

• Clear the DTC for the start stop unit using the M-MDS.

  (See CLEARING DTC [START STOP UNIT].)

• Retrieve the start stop unit DTCs using the M-MDS.

  (See DTC INSPECTION [START STOP UNIT].)

• Is the same DTC displayed?

Yes

Repeat the inspection from Step 1.

• If the malfunction recurs, replace the start stop unit.

  (See START STOP UNIT REMOVAL/INSTALLATION.)

Go to the next step.

No

Go to the next step.

3

• 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.