Saturday, June 1, 2019

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 573

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 573



OK or NG



OK - Replace the control valve with TCM. See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Valve Body/Service and Repair.



NG - Repair or replace damaged parts.



7AT RE7R01A



P0725 ENGINE SPEED



Description



The engine speed signal is transmitted from the ECM to the TCM via CAN communication line.



DTC Logic



DTC DETECTION LOGIC



DTC CONFIRMATION PROCEDURE



CAUTION:



Always drive vehicle at a safe speed.



1.PRECONDITIONING



If "DTC CONFIRMATION PROCEDURE" is previously conducted, always turn ignition switch OFF and wait at least 10 seconds before



performing the next test.



- GO TO 2.



2.CHECK DTC DETECTION



With CONSULT-III



1. Start the engine.



2. Select "SLCT LVR POSI" and "VHCL/S SE-A/T" in "Data Monitor" in "TRANSMISSION".



3. Drive vehicle and maintain the following conditions for 5 seconds or more.



SLCT LVR POSI : D



VHCL/S SE-A/T : More than 10 km/h (7 MPH)



4. Perform "Self Diagnostic Results" in "TRANSMISSION".



With GST



Follow the procedure "With CONSULT-III".



Is "P0725" detected?



YES - Go to See: P Code Charts/P0725/7AT RE7R01A.



NO - INSPECTION END



Diagnosis Procedure



1.CHECK DTC OF ECM



With CONSULT-III



1. Turn ignition switch ON.



2. Perform "Self Diagnostic Results" in "ENGINE".



Is any DTC detected?



YES - Check DTC detected item. See: Diagnostic Trouble Code Descriptions/DTC Index/EC.



NO - GO TO 2.



2.CHECK DTC OF TCM



With CONSULT-III



Perform "Self Diagnostic Results" in "TRANSMISSION".



Is any DTC detected?



YES - Check DTC detected item. See: Diagnostic Trouble Code Descriptions/DTC Index/TCM.



NO - GO TO 3.



3.CHECK INTERMITTENT INCIDENT



See: Testing and Inspection/Initial Inspection and Diagnostic Overview/How to Perform Efficient Diagnosis For an Electrical Incident.



Is the inspection result normal?



YES - Replace A/T assembly. See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Service and Repair/Removal and



Replacement/7AT RE7R01A/Transmission Assembly/Exploded View.



NO - Repair or replace damaged parts.