SYSTEM SCREEN IS NOT DISPLAYED IN MULTI-INFORMATION DISPLAY / MULTI-INFORMATION DISPLAY INDICATION IS UNMATCHED [RADAR UNIT]

id1503a1011100

Item
SYSTEM SCREEN IS NOT DISPLAYED IN MULTI-INFORMATION DISPLAY / MULTI-INFORMATION DISPLAY INDICATION IS UNMATCHED
Description
•  The system screen is displayed in the multi-information display even if the system is operated.
•  The indication in the multi-information 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 some of the multi-information display cannot be displayed
?  Instrument cluster malfunction (display malfunction)
?  Connector connection malfunction
•  Radar unit output false signal
?  False signal input from cruise control switch
?  Radar unit malfunction

Diagnostic Procedure

Step

Inspection

Action
1
INSPECT INSTRUMENT CLUSTER
•  Inspect the multi-information display using the M-MDS instrument cluster active command modes LCD_SEG.
•  Is the multi-information display indicated normally?
Yes
Go to the next step.
No
Replace the instrument cluster.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)
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 steering switch/cruise control switch.
(See CRUISE CONTROL SWITCH REMOVAL/INSTALLATION [MAZDA RADAR CRUISE CONTROL (MRCC) SYSTEM].)
4
INSPECT RADAR UNIT
•  Inspect the radar unit.
•  Is the radar unit normal?
Yes
Symptom troubleshooting is completed.
No
Replace the radar unit.
(See RADAR UNIT REMOVAL/INSTALLATION.)