Wednesday, March 20, 2019

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 120

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 120



2.PERFORM DTC CONFIRMATION PROCEDURE-I



With CONSULT-III



1. Turn ignition switch ON and select "DATA MONITOR" mode with CONSULT-III.



2. Start engine and warm it up to the normal operating temperature.



3. Maintain the following conditions for at least 6 consecutive seconds.Hold the accelerator pedal as steady as possible.



4. Let engine idle for 10 seconds.



5. Check 1st trip DTC.



With GST



Follow the procedure "With CONSULT-III" above.



Is 1st trip DTC detected?



YES - Go to See: P Code Charts/P0014



NO - GO TO 3.



3.PERFORM DTC CONFIRMATION PROCEDURE-II



With CONSULT-III



1. Select "DATA MONITOR" mode with CONSULT-III.



2. Maintain the following conditions for at least 20 consecutive seconds.



3. Check 1st trip DTC.



With GST



Follow the procedure "With CONSULT-III" above.



Is 1st trip DTC detected?



YES - Go to See: P Code Charts/P0014



NO - INSPECTION END



Diagnosis Procedure



1.CHECK FUNCTION OF EXHAUST VALVE TIMING (EVT) CONTROL



With CONSULT-III



1. Turn ignition switch ON.



2. Select "EXH V/T ASSIGN ANGLE" in "ACTIVE TEST" mode with CONSULT-III.



3. Start engine and keep the engine speed at 2,500 rpm, then touch "START".



4. Check that the values of "EXH/V TIM B1" and "EXH/V TIM B2" change when touching "UP" or "DOWN".



Without CONSULT-III



1. Start engine and rev engine up above 1,500 rpm.



2. Read the voltage signal between ECM harness connector terminals as per the following with an oscilloscope.



Is the inspection result normal?



YES - GO TO 10.



NO - GO TO 2.



2.CHECK EVT CONTROL MAGNET RETARDER



See: P Code Charts/P0014.