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DTC Confirmation Procedure

DIAGNOSIS PROCEDURE CHART

Step Action YES NO
PRECONDITIONING 

If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next test.


  1. Turn ignition switch OFF and wait at least 10 seconds.
  2. Turn ignition switch ON.
  3. Turn ignition switch OFF and wait at least 10 seconds.
GO TO 2.  
PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A-I 
  1. Turn ignition switch ON and wait at least 10 seconds.
  2. Check 1st trip DTC.

Is 1st trip DTC detected? 
Go to "Diagnosis Procedure ". GO TO 3.
CHECK ENGINE COOLANT TEMPERATURE 
  1. With SDT 
    1. Select "COOLAN TEMP/S" in "Data list" mode with SDT.
    2. Check "COOLAN TEMP/S" indication.
  2. With GST 

    Follow the procedure "With SDT" above.


Is "COOLAN TEMP/S" indication less than 60 °C (140 °F)? 
INSPECTION END GO TO 4.
CHECK FUEL PRESSURE 
  1. With SDT 
    1. Cool engine down until "COOLAN TEMP/S" indication is less than 60 °C (140 °F).
    2. Wait at least 10 seconds.
    3. Check 1st trip DTC.
  2. With GST 

    Follow the procedure "With SDT" above.


Is 1st trip DTC detected? 
Go to "Diagnosis Procedure ". GO TO 5.
PERFORM COMPONENT FUNCTION CHECK (FOR MALFUNCTION B) 
Perform component function check. Refer to "Component Function Check ".
NOTE: Use the component function check to check the overall function of the FTT sensor circuit. During this check, a 1st trip DTC might not be confirmed.

Is the inspection result normal? 
INSPECTION END Proceed to "Diagnosis Procedure ".
NOTE: If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.