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Home >> Mazda >> 2021 >> 3 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Symptom Troubleshooting - Front Cross Traffic Alert (FCTA) >> Front Cross Traffic Alert (FCTA) Warning Indication False Illumination >> Diagnostic Procedure

Diagnostic Procedure

FRONT CROSS TRAFFIC ALERT (FCTA) WARNING INDICATION FALSE ILLUMINATION DIAGNOSTIC PROCEDURE

Step Inspection Results Action
1 VERIFY FRONT SIDE RADAR SENSOR INSTALLATION CONDITION
  • When a malfunction occurred, verify if the vehicle or environment corresponds to any of the following.
    • Poor installation, damage, deformity, or looseness of front side radar sensor bracket, front bumper (including moderate impacts)
  • Did the vehicle or environment correspond to any of the above conditions?
Yes Repair or replace the malfunctioning location and perform the repair completion verification.
No Go to the next step.
2 VERIFY ALL SYSTEM DTCs
  • Perform the DTC inspection. (See DTC INSPECTION .)
  • Are any DTCs displayed?
Yes Repair the malfunctioning location according to the applicable DTC troubleshooting.
No Go to the next step.
3 INSPECT ACTIVE DRIVING DISPLAY FOR MALFUNCTION Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
(See ACTIVE DRIVING DISPLAY REMOVAL/INSTALLATION (US) .)
4 INSPECT INSTRUMENT CLUSTER FOR MALFUNCTION Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)
Repair completion verification VERIFY THAT VEHICLE IS REPAIRED
  • Install/connect the part removed/disconnected during the troubleshooting procedure.
  • Has the malfunction symptom been eliminated?
Yes Complete the symptom troubleshooting. (Explain contents of repair to customer)
No Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW (US) .)
If the CAN communication is normal, perform the diagnosis from Step 1.