SYSTEM SCREEN IS NOT DISPLAYED IN ACTIVE DRIVING DISPLAY/DISPLAY IN ACTIVE DRIVING DISPLAY IS UNMATCHED [RADAR UNIT]


id1503a1010900

Item
SYSTEM SCREEN IS NOT DISPLAYED IN ACTIVE DRIVING DISPLAY/DISPLAY IN ACTIVE DRIVING DISPLAY IS UNMATCHED
Description
•  The system screen is not displayed in the active driving display even if the system is operated.
•  The display in the active driving display is unmatched with the system operation.
Possible Causes
Note
•  The detection performance of the radar unit has limitations and the mazda radar cruise control (MRCC) system may not operate normally. For the detection performance limitations, refer to the [RADAR UNIT] in the technical guide.
•  All or part of display cannot be displayed in active driving display
?  Active driving display malfunction
?  Connector connection malfunction
•  Radar unit outputs false signal
?  False signal input from cruise control switch
?  Radar unit malfunction

Diagnostic Procedure

Step

Inspection

Action

1
INSPECT ACTIVE DRIVING DISPLAY
•  Inspect the active driving display.
•  Is the active driving display normal?
Yes
Go to the next step.
No
Replace the active driving display.
2
VERIFY INSTRUMENT CLUSTER CONNECTOR CONDITION
•  Disconnect the negative battery terminal.
•  Disconnect the instrument cluster 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.
3
INSPECT CRUISE CONTROL SWITCH
•  Inspect the cruise control switch.
•  Is the cruise control switch normal?
Yes
Go to the next step.
No
Replace the cruise control switch.
4
INSPECT RADAR UNIT
•  Inspect the radar unit.
•  Is the radar unit normal?
Yes
Symptom troubleshooting is completed.
No
Replace the radar unit.