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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 64 (On-Board Diagnostic - Radar Unit) >> DTC U3000:04 [Radar Unit] >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
Step Inspection Action
1 VERIFY AREA AROUND RADIATOR GRILLE ORNAMENT 
  • Visually inspect the surface of the radiator grille ornament.
  • Under the following conditions?
    • Dirt is adhering to radiator grille ornament.
    • Foreign matter (reflective object) is adhering to radiator grille ornament
    • Radiator grille ornament is scratched or damaged
Yes Return the surfaces of the radiator grille ornament to their normal condition, then go to Step 7.
No Go to the next step.
2 VERIFY AREA AROUND RADAR SENSOR 
  • Remove front bumper.

    (See FRONT BUMPER REMOVAL/INSTALLATION .)

  • Visually inspect the surface of the radar unit.
  • Under the following conditions?
    • Dirt is adhering to radar unit
    • Foreign matter (reflective object) is adhering to radar unit
    • Radar unit is scratched or damaged
Yes Return the radar unit to their normal condition, then go to Step 7.
No Go to the next step.
3 VERIFY RADAR UNIT BRACKET 
  • Verify that there is no bending or damage on the radar unit bracket.
  • Is there bending or damage on the radar unit bracket?
Yes Replace the radar unit bracket and perform the aiming adjustment.
(See RADAR UNIT DISASSMBLY/ASSEMBLY .)
(See RADAR UNIT AIMING .)
Then go to Step 7.
No Go to the next step.
4 PERFORM DTC INSPECTION FOR DSC HU/CM  Yes Go to the applicable DTC inspection.
(See ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)] .)
Then go to Step 7.
No Go to the next step.
5 PERFORM DTC INSPECTION FOR SAS CONTROL MODULE  Yes Go to the applicable DTC inspection.
(See DTC TABLE [STANDARD DEPLOYMENT CONTROL SYSTEM] .)
(See DTC TABLE [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .)
Then go to Step 7.
No Go to the next step.
6 PERFORM DTC INSPECTION FOR RADAR UNIT  Yes Go to the applicable DTC inspection.
(See DTC TABLE [RADAR UNIT] .)
Then go to the next step.
No Go to the next step.
7 VERIFY THAT REPAIRS HAVE BEEN COMPLETED  Yes Repeat the inspection from Step 1.
Go to the next step.
No Go to the next step.
8 VERIFY THAT NO OTHER DTCs ARE PRESENT 
  • Verify other DTCs displayed.
  • Are any other DTCs output?
Yes Perform the corresponding DTC inspection.
No DTC troubleshooting completed.