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Home >> Mazda >> 2017 >> CX-9 Touring, AWD >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> On-Board Diagnostic - Dynamic Stability Control (DSC) >> DTC U2300-54; U2300-55; U2300-56; U2300-64; Configuration Malfunction >> Diagnostic Procedure

Diagnostic Procedure

DIAGNOSTIC PROCEDURE

Step Inspection Action
1 RECORD CONFIGURATION DATA
  • Switch the ignition OFF.
  • Switch the ignition ON (engine off), and maintain this condition for approx. 10 s or more.
  • Switch the ignition OFF, and maintain this condition for approx. 3 s or more.
  • Switch the ignition ON (engine off), and maintain this condition for approx. 3 s or more.
 Go to the next step.
2 VERIFY DSC HU/CM DTC Yes Repeat the inspection from Step1.
If the malfunction recurs, go to the next step.
No Go to Step 6.
3 VERIFY IF PARTS FROM ANOTHER VEHICLE INSTALLED TO INSTRUMENT CLUSTER, PCM OR DSC HU/CM
  • Verify if an instrument cluster, PCM or DSC HU/CM from another vehicle is installed.
  • Has an instrument cluster, PCM, DSC HU/CM or other vehicle part been installed to vehicle?
 Yes Install the correct instrument cluster, PCM or DSC HU/CM, then go to Step1.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)
(See PCM REMOVAL/INSTALLATION [SKYACTIV-G 2.5T] .)
(See DSC HU/CM REMOVAL/INSTALLATION .)
No Go to the next step.
4 VERIFY INSTRUMENT CLUSTER AND PCM DTC Yes Go to the applicable DTC inspection.
(See DTC TABLE [INSTRUMENT CLUSTER] .)
(See DTC TABLE [PCM (SKYACTIV-G 2.5T)] .)
DTC troubleshooting completed, then go to the next step.
No Go to the next step.
5 VERIFY DSC HU/CM DTC Yes Repeat the inspection from Step1. If the malfunction recurs, replace the DSC HU/CM, then go to the next step.
(See DSC HU/CM REMOVAL/INSTALLATION .)
No Go to the next step.
6 VERIFY NO DTC IS PRESENT
  • Are any DTCs present?
 Yes Go to the applicable DTC inspection.
(See DTC TABLE [DSC HU/CM] .)
No DTC troubleshooting completed.
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