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SECURITY INDICATOR LIGHT: 13, DTC: B13D3:05/P1260:00 [START STOP UNIT]

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2016 – MX-5 – Body and Accessories

SECURITY INDICATOR LIGHT: 13, DTC: B13D3:05/P1260:00 [START STOP UNIT]

Description

Remote transmitter program error

Detection condition

  • Start stop unit detects a remote transmitter program error.

Fail-safe

Not applicable

Possible cause

  • Push button start connector or terminal malfunction

  • Start stop unit connector or terminal malfunction

  • Remote transmitter program error

  • 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

INSPECT PUSH BUTTON START CONNECTOR CONDITION

  • Switch the ignition off.

  • Disconnect the negative battery cable.

    (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION.)

  • 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 4.

2

INSPECT START STOP UNIT CONNECTOR CONDITION

  • 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 4.

3

VERIFY IF MALFUNCTIONING LOCATION IS REMOTE TRANSMITTER DEPENDING ON REPEATABILITY

Yes

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

(See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING.)

No

Go to Step 5.

4

VERIFY THAT REPAIRS HAVE BEEN COMPLETED

Yes

Repeat the inspection from Step 1.

Go to the next step.

No

Go to the next step.

5

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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