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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> On-Board Diagnostic - Radar Unit >> DTC C1A67-78; Radar Unit Axis Is Deviated >> Diagnostic Procedure

Diagnostic Procedure

DIAGNOSTIC PROCEDURE

Step Inspection Action
1 VERIFY IF RADIATOR GRILLE IS CORRECTLY INSTALLED
  • Verify the radiator grille installation condition on vehicles equipped with a radar unit.
  • Is the installation condition normal?
 Yes Go to the next step.
No Replace the radiator grille on the vehicle with a radar unit, then go to Step 7.
2 VERIFY AREA AROUND RADIATOR GRILLE ORNAMENT
  • Visually inspect the area around the radiator grille ornament for the following:
    • Dirt
    • Adhering foreign matter (reflective object)
      • Scratched or damaged
  • Is there any dirt, foreign matter (reflective object) or damage, or are there any scratches around the radiator grille?
 Yes Return the surfaces of the radiator grille ornament to their normal condition, then go to Step 7.
No Go to the next step.
3 VERIFY AREA AROUND RADAR UNIT
  • Remove front bumper. (See FRONT BUMPER REMOVAL/INSTALLATION .)
  • Visually inspect the area around the radar unit for the following:
    • Dirt
    • Adhering foreign matter (reflective object)
      • Scratched or damaged
  • Is there any dirt, foreign matter (reflective object) or damage, or are there any scratches around the radar unit?
 Yes Return the radar unit to their normal condition, then go to Step 7.
No Vehicles with distance recognition support system (DRSS):
  • Go to Step 5.

Vehicles without distance recognition support system (DRSS):
  • Go to the next step.
4 VERIFY CENTER DISPLAY
  • Verify if "SBS/MRCC radar (sensor) malfunction. Clean the entire surface of the front grill emblem if dirty or covered with snow." is displayed in the center display.
  • Is "SBS/MRCC radar (sensor) malfunction. Clean the entire surface of the front grill emblem if dirty or covered with snow." displayed?
 Yes Switch the ignition off, leave it for 30 min to cool down the radar unit, switch the ignition ON (engine off or on) again, and verify the message indicating "SBS/MRCC radar (sensor) malfunction. Clean the entire surface of the front grill emblem if dirty or covered with snow." in the center display.
"SBS/MRCC radar (sensor) malfunction. Clean the entire surface of the front grill emblem if dirty or covered with snow." is not displayed
  • Go to Step 6.

"SBS/MRCC radar (sensor) malfunction. Clean the entire surface of the front grill emblem if dirty or covered with snow." is displayed
No Go to Step 6.
5 VERIFY CENTER DISPLAY
  • Verify if "SBS/MRCC/DRSS radar (sensor) malfunction. Clean the entire surface of the front grill emblem if dirty or covered with snow." is displayed in the center display.
  • Is "SBS/MRCC/DRSS radar (sensor) malfunction. Clean the entire surface of the front grill emblem if dirty or covered with snow." displayed?
 Yes Switch the ignition off, leave it for 30 min to cool down the radar unit, switch the ignition ON (engine off or on) again, and verify the message indicating "SBS/MRCC/DRSS radar (sensor) malfunction. Clean the entire surface of the front grill emblem if dirty or covered with snow." in the center display.
"SBS/MRCC/DRSS radar (sensor) malfunction. Clean the entire surface of the front grill emblem if dirty or covered with snow." is not displayed
  • Go to the next step.

"SBS/MRCC/DRSS radar (sensor) malfunction. Clean the entire surface of the front grill emblem if dirty or covered with snow." is displayed
No Go to the next step.
6 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 .)
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 IF OTHER DTCs DISPLAYED
  • Are any other DTCs displayed?
 Yes Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [RADAR UNIT] .)
No DTC troubleshooting completed.
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