DTC U3000:44 [RADAR UNIT]
id1502a6020500
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System malfunction location |
Radar unit configuration information error |
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Detection condition
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• There is a malfunction in the configuration data read out from the radar unit
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Fail-safe
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• Inhibits the Mazda radar cruise control (MRCC) system control
• Inhibits the smart brake support (SBS) system control
• Inhibits the distance recognition support system (DRSS) control
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Possible cause
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• Radar unit malfunction
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System wiring diagram
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• Not applicable
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Diagnostic Procedure
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Step |
Inspection |
Action |
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1
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PERFORM DTC INSPECTION FOR RADAR UNIT
• Perform the radar unit DTC inspection using the M-MDS.
(See DTC INSPECTION [RADAR UNIT].)
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
(See DTC INSPECTION [RADAR UNIT].)
Then go to the next step.
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No
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Go to the next step.
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2
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VERIFY THAT REPAIRS HAVE BEEN COMPLETED
• Clear radar unit DTCs using the M-MDS.
(See CLEARING DTC [RADAR UNIT].)
• Switch the ignition ON (engine on).
• Perform the radar unit DTC inspection using the M-MDS.
(See DTC INSPECTION [RADAR UNIT].)
• Is the same DTC present?
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Yes
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Repeat the inspection from Step 1.
• If the malfunction does not recur, go to the next step.
• If the malfunction recurs, replace the radar unit.
Go to the next step.
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No
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Go to the next step.
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3
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VERIFY THAT NO OTHER DTCs ARE PRESENT
• Verify other DTCs displayed.
• Are any other DTCs output?
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Yes
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Perform the corresponding DTC inspection.
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No
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DTC troubleshooting completed.
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