Friday, February 7, 2020

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 444

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 444



Description



The knock sensor is attached to the cylinder block. It senses engine knocking using a piezoelectric element. A knocking vibration from the



cylinder block is sensed as vibrational pressure. This pressure is converted into a voltage signal and sent to the ECM.



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.



TESTING CONDITION:



Before performing the following procedure, confirm that battery voltage is more than 10 V at idle.



- GO TO 2.



2.PERFORM DTC CONFIRMATION PROCEDURE



1. Start engine and run it for at least 5 seconds at idle speed.



2. Check 1st trip DTC.



Is 1st trip DTC detected?



YES - Go to See: P Code Charts/P0327.