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DTC P0507 ISC SYSTEM EC-475 C D E F G H I J K L M A EC Revision: 2006 August 2006 Murano DTC P0507 ISC SYSTEM PFP:23781 Description NBS0036A NOTE: On Board Diagnosis Logic NBS0036B DTC Confirmation Procedure NBS0036C NOTE: ● If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait ● If the target idle speed is out of the specified value, perform EC-76, "Idle Air Volume Learning" before conducting DTC Confirmation Procedure. For the target idle speed, refer to the "SERVICE DATA AND SPECIFICATIONS (SDS)" TESTING CONDITION: ● Before performing the following procedure, confirm that battery voltage is more than 11V at idle. ● Always perform the test at a temperature above − 10 ° C (14 ° F). WITH CONSULT-II 1. Open engine hood. 2. Start engine and warm it up to normal operating temperature. 3. Turn ignition switch OFF and wait at least 10 seconds. 4. Turn ignition switch ON again and select “DATA MONITOR” 5. Start engine and run it for at least 1 minute at idle speed. 6. If 1st trip DTC is detected, go to EC-476, "Diagnostic Procedure" . WITH GST Follow the procedure “WITH CONSULT-II” above. DTC No. Trouble diagnosis name DTC detecting condition Possible cause P0507 Idle speed control sys- The idle speed is more than the target idle ● Electric throttle control actuator ● Intake air leak ● PCV system SEF174Y |