Description

Communication error with remote transmitter

Detection condition

• Start stop unit could not detect the remote transmitter communication or communication error was detected.

Fail-safe function

Not applicable

Possible cause

• When the ignition is switched ON (engine off or on), it is detected that the remote transmitter is outside of the vehicle.

• Push button start connector or terminal malfunction

• Start stop unit connector or terminal malfunction

• Remote transmitter malfunction

• Start stop unit malfunction

NOTE:

• If any of the following items are touching or near the remote transmitter, signal communication between the remote transmitter and the vehicle is negatively affected, resulting in the engine not starting.

• Spare keys

• Keys for other vehicles equipped with an immobilizer system

• Any metallic object

• Any electronic device, or any credit or other card with magnetic strips

• Radio wave outputting device nearby

System wiring diagram

Not applicable

Step

Inspection

Action

1

• Perform the following procedure 3 times with the remote transmitter inside the cabin with certainty.

• Switch the ignition off.

• Switch the ignition ON (engine off or on).

• Retrieve the immobilizer system DTCs using the M-MDS.

  (See DTC INSPECTION [IMMOBILIZER SYSTEM].)

• Move the remote transmitter to a different location.

• Is the security indicator light: 13, DTC B13D3:94/P1260:00 displayed?

Yes

Go to the next step.

No

Go to Step 6.

2

• Switch the ignition off.

• Disconnect the negative battery cable.

  (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.5].)

• Disconnect the push button start connector.

• Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.

• Is the connector normal?

Yes

Go to the next step.

No

Repair or replace the connector, then go to Step 5.

3

• Disconnect the start stop unit connector.

• Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.

• Is the connector normal?

Yes

Go to the next step.

No

Repair or replace the connector, then go to Step 5.

4

• Always reconnect all disconnected connectors.

• Reconnect the negative battery cable.

  (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.5].)

• Clear the DTC for the immobilizer system using the M-MDS.

  (See CLEARING DTC [IMMOBILIZER SYSTEM].)

• Re-program key ID number of the remote transmitter.

  (See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING.)

• Retrieve the immobilizer system DTCs using the M-MDS.

  (See DTC INSPECTION [IMMOBILIZER SYSTEM].)

• Is the security indicator light: 13, DTC B13D3:94/P1260:00 displayed?

Yes

Replace the remote transmitter, then go to the next step.

(See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING.)

No

Go to Step 6.

5

• Always reconnect all disconnected connectors.

• Reconnect the disconnected negative battery cable.

  (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.5].)

• Clear the DTC for the immobilizer system using the M-MDS.

  (See CLEARING DTC [IMMOBILIZER SYSTEM].)

• Retrieve the immobilizer system DTCs using the M-MDS.

  (See DTC INSPECTION [IMMOBILIZER SYSTEM].)

• Is the security indicator light: 13, DTC B13D3:94/P1260:00 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.

6

• Are any other DTCs displayed?

Yes

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

(See DTC TABLE [IMMOBILIZER SYSTEM].)

No

DTC troubleshooting completed.