Diagnosis Procedure

1. CHECK DTC PRIORITY
   
   

   If DTC "C1A14" is displayed with DTC "U1000", first diagnose the DTC "U1000".

   Is applicable DTC detected?

   YES 

   Perform diagnosis of applicable. Refer to DTC DESCRIPTION .

   NO 

   GO TO STEP 2  .

2. CHECK SELF-DIAGNOSIS RESULTS
   
   

   Check if "U1000" is detected other than "C1A14" in "Self Diagnostic Result" of "ICC/ADAS".

   Is "U1000" detected?

   YES 

   Perform the CAN Communication System inspection. Repair or replace the malfunctioning parts. Refer to DTC DESCRIPTION .

   NO 

   GO TO STEP 3. 

3. PERFORM SELF-DIAGNOSIS OF ECM
   
   

   Check if any DTC is detected in "Self Diagnostic Result" of "ENGINE".

   Is any DTC detected?

   YES 

   Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts.

   • 2.0L Turbo Gasoline Engine: Refer to DTC INDEX .
   • VR30DDTT
     1. Turbo high pressure model: Refer to DTC INDEX .
     2. Turbo low pressure model: Refer to DTC INDEX .

NO 

Replace the ADAS Control Unit. Refer to REMOVAL AND INSTALLATION .