Tuesday, September 10, 2019

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 170

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 170



YES - INSPECTION END



NO - GO TO 2.



2.REPLACE EXHAUST VALVE TIMING CONTROL MAGNET RETARDER



1. Replace malfunctioning exhaust valve timing control magnet retarder.



2. Perform See: Engine, Cooling and Exhaust/Engine/Timing Components/Variable Valve Timing/Testing and Inspection/Special Repair



Requirement.



- INSPECTION END



P0081



P0075, P0081 IVT CONTROL SOLENOID VALVE



Description



Intake valve timing control solenoid valve is activated by ON/OFF pulse duty (ratio) signals from the ECM.



The intake valve timing control solenoid valve changes the oil amount and direction of flow through intake valve timing control unit or stops oil



flow.



The longer pulse width advances valve timing.



The shorter pulse width retards valve timing.



When ON and OFF pulse widths become equal, the solenoid valve stops oil pressure flow to fix the intake valve angle at the control position.



DTC Logic



DTC DETECTION LOGIC



DTC CONFIRMATION PROCEDURE



1.PRECONDITIONING



If DTC Confirmation Procedure has been previously conducted, always perform the following procedure 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.



2.PERFORM DTC CONFIRMATION PROCEDURE



1. Start engine and let it idle for 5 seconds.



2. Check 1st trip DTC.



Is 1st trip DTC detected?



YES - Go to See: P Code Charts/P0075.