SECURITY INDICATOR LIGHT: 13, DTC: B13D3:94/P1260:00 [START STOP UNIT]

id0902p6027800

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
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

Diagnostic Procedure

Step

Inspection

Action
1
VERIFY DTCs WITH REMOTE TRANSMITTER IN DIFFERENT LOCATIONS
•  Perform the following procedure 3 times with the remote transmitter inside the cabin with certainty.
1.  Switch the ignition off.
2.  Switch the ignition ON (engine off or on).
3.  Retrieve the immobilizer system DTCs using the M-MDS.
4.  Move the remote transmitter to a different location.
•  Is the security indicator light: 13, the same Pending DTC present?
Yes
Go to the next step.
No
Go to Step 6.
2
INSPECT PUSH BUTTON START CONNECTOR
•  Switch the ignition off.
•  Disconnect the negative battery terminal.
•  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
INSPECT START STOP UNIT CONNECTOR
•  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
VERIFY IF MALFUNCTION CAUSE IS REMOTE TRANSMITTER
•  Always reconnect all disconnected connectors.
•  Reconnect the negative battery terminal.
•  Clear the DTC for the immobilizer system using the M-MDS.
•  Re-program key ID number of the remote transmitter.
•  Retrieve the immobilizer system DTCs using the M-MDS.
•  Is the security indicator light: 13, the same Pending DTC present?
Yes
Replace the remote transmitter, then go to the next step.
(See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING.)
No
Go to Step 6.
5
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Always reconnect all disconnected connectors.
•  Reconnect the negative battery terminal.
•  Clear the DTC for the immobilizer system using the M-MDS.
•  Retrieve the immobilizer system DTCs using the M-MDS.
•  Is the security indicator light: 13, the same Pending DTC present?
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.
6
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.