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Home >> Mazda >> 2019 >> CX-9 Signature >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> On-Board Diagnostic - Rear One-Touch Walk-In Control Module >> DTC U3000-01: Rear One-Touch Walk-In Control Module Internal Malfunction [Rear One-Touch Walk-In Control Module] >> Diagnostic Procedure
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Diagnostic Procedure

DTC U3000:01 [REAR ONE-TOUCH WALK-IN CONTROL MODULE] DIAGNOSTIC PROCEDURE

Step Inspection Action
1 VERIFY REAR ONE-TOUCH WALK-IN CONTROL MODULE DTCs
Yes Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [REAR ONE-TOUCH WALK-IN CONTROL MODULE] .)
No Go to the next step.
2 VERIFY THAT REAR ONE-TOUCH WALK-IN OPERATES NORMALLY
  • Perform the rear one-touch walk-in operation for the second-row seat (RH).
  • Did the rear one-touch walk-in operate normally?
Yes Explain the following conditions to the customer.
  • The rear one-touch walk-in may not have operated as it was affected by the electromagnetic field noise from outside the vehicle.
  • The rear one-touch walk-in may not operate normally in that place.

Go to the next step.
No Replace the rear one-touch walk-in control module, then go to the next step.
(See REAR ONE-TOUCH WALK-IN CONTROL MODULE REMOVAL/INSTALLATION .)
3 VERIFY THAT REPAIRS HAVE BEEN COMPLETED
Yes Replace the rear one-touch walk-in control module, then go to the next step.
(See REAR ONE-TOUCH WALK-IN CONTROL MODULE REMOVAL/INSTALLATION .)
No Go to the next step.
4 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 [REAR ONE-TOUCH WALK-IN CONTROL MODULE] .)
No DTC troubleshooting completed.