Diagnosis Procedure

If DTC "U1540" is displayed with DTC "U1000", first diagnose the DTC "U1000".

Is applicable DTC detected?

YES 

Perform diagnosis of applicable. Refer to DTC LOGIC .

NO 

GO TO STEP 2  .

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

Is any DTC detected?

YES 

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

NO 

Replace the. Refer to REMOVAL AND INSTALLATION .