2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 201
ECM detects the air flow by means of this current change.
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.
NOTE:
If engine will not start or stops soon, wait at least 10 seconds with engine stopped (Ignition switch ON) instead of running engine at idle speed.
- GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A
1. Start engine and warm it up to normal operating temperature.
2. Run engine for at least 10 seconds at idle speed.
3. Check 1st trip DTC.
Is 1st trip DTC detected?
YES - Go to See: P Code Charts/P0101.
NO-1 - With CONSULT-III: GO TO 3.
NO-2 - With GST: GO TO 5.
3.CHECK MASS AIR FLOW SENSOR FUNCTION
1. Start engine and warm it up to normal operating temperature.
If engine cannot be started, go to See: P Code Charts/P0101.
2. Select "MAS A/F SE-B1/B2" in "DATA MONITOR" mode with CONSULT-III.
