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Diagnostic procedure

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DIAGNOSTIC PROCEDURE CHART

STEP Inspection Action
1 VERIFY RELATED REPAIR INFORMATION AVAILABILITY 
  • Verify related Service Bulletins and/or on-line repair information availability.
  • Is any related repair information available?
 Yes Perform repair or diagnosis according to the available repair information.
  • If the vehicle is not repaired, go to the next step.
No Go to the next step.
2 VERIFY DTC IS PRESENT 
  • Switch the ignition ON (Engine off).
  • Read the DTC in the DSC HU/CM.
  • Are any DTCs stored?
 Yes Go to the applicable DTC inspection.
(See ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)] .)
No Go to the next step.
3 VERIFY DTC TROUBLESHOOTING COMPLETED 
  • Make sure to reconnect all the disconnected connectors.
  • Clear the DTC using the M-MDS.
  • Perform the following procedure to ensure that the DTC has been resolved:
    1. Start the engine.
    2. Warm up the engine to normal operating temperature.
    3. Drive the vehicle in D position for 5 s or more.
  • Is the same DTC present?
 Yes Replace the TCM, then go to the next step.
(See TCM REMOVAL/INSTALLATION .)
No Go to the next step.
4 VERIFY NO DTCs ARE PRESENT  Yes Go to the applicable DTC inspection.
(See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE .)
No DTC troubleshooting completed.
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