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HOMESERVICE MANUALSMAZDA2010CX-9 SPORT, 3.7 V, AWDREPAIR AND DIAGNOSISSUSPENSIONWHEELS & TIRE SYSTEMSYMPTOM TROUBLESHOOTING [SUSPENSION SYSTEM - TIRE PRESSURE MONITORING SYSTEM]NO.3 WHEEL UNIT ID REGISTRATION CANNOT BE PERFORMED (TPMS WARNING LIGHT FLASHES)NOTES
2010 Mazda CX-9 Sport, 3.7 V, AWD

No.3 Wheel Unit Id Registration Cannot Be Performed (TPMS Warning Light Flashes): Notes

2010 Mazda CX-9 Sport, 3.7 V, AWDSECTION Notes
CAUTION:
  • Activate the wheel unit ID registration mode using the M-MDS, and perform the following steps if the TPMS warning light does not turn off after driving at 25 km/h {15.5 mph} or more for 10 min or more.
INSPECTION CHART

3 Wheel unit ID registration cannot be performed (TPMS warning light flashes).
[TROUBLESHOOTING HINTS] 
  • New wheel unit malfunction (caused when installing to wheel)
  • Any malfunction on an old wheel unit which has not been replaced.
DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 CAN THE WHEEL UNIT ID REGISTERED? 
  • Connect the M-MDS.
  • Display the wheel unit ID registration condition (ID and tire pressure table) using the M-MDS.
  • Temporarily remove the battery and reinstall it immediately.
    NOTE:
    • If the battery is removed, the tire pressure data for WU_1 to WU_4 stored in the instrument cluster is reset.
    • Pressure is 0 kPa {0 kgf/cm 2  , 0 psi}  when it is displayed again using the M-MDS.
  • Set tire pressure for the four wheels separately.
  • Perform the wheel unit ID registration again.
  • Can the ID be registered?
 Yes Trouble shooting completed. (Adjust the tire pressure on four wheels, and then return the vehicle to the customer.)
No Go to the next step.
2 VERIFY THE WHEEL UNIT ID REGISTRATION CONDITIONS (ID AND TIRE PRESSURE TABLE) USING THE M-MDS 
  • Refer to [M-MDS display (example)] to specify wheel unit for which the ID could not be registered. (See DISPLAY OF M-MDS (EXAMPLE) .)
  • Is the wheel unit for which the ID could not be registered a new wheel unit?
    CAUTION:
    • ID numbers of WU_1 to WU_4 are updated when wheel on all of four wheels are registered.
 Yes Replace with a new wheel unit, and then go to Step 4.
No Go to the next step.
3 Replace the old wheel unit, and then go tot the next step (any malfunction on an old wheel unit which has not been replaced).
4 CAN THE WHEEL UNIT ID REGISTERED? 
  • Perform the wheel unit ID registration using the M-MDS.
 Yes Troubleshooting completed.
No Verify troubleshooting again and return to Step 1 if the malfunction recurs.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.