Wednesday, March 6, 2019

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 225

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 225



3. Check the voltage between MAF sensor (bank 1) harness connector and ground.



Is the inspection result normal?



YES - GO TO 3.



NO - Repair open circuit, short to ground or short to power in harness or connectors.



3.CHECK INTAKE AIR TEMPERATURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT



1. Turn ignition switch OFF.



2. Disconnect ECM harness connector.



3. Check the continuity between MAF sensor (bank 1) harness connector and ECM harness connector.



4. Also check harness for short to ground and short to power.



Is the inspection result normal?



YES - GO TO 4.



NO - Repair open circuit, short to ground or short to power in harness or connectors.



4.CHECK INTAKE AIR TEMPERATURE SENSOR



See: P Code Charts/P0112.



Is the inspection result normal?



YES - GO TO 5.



NO - Replace MAF sensor (with intake air temperature sensor) (bank 1).



5.CHECK INTERMITTENT INCIDENT



See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Initial Inspection and Diagnostic Overview/Trouble



Diagnosis For Intermittent Incident/Description.



- INSPECTION END



Component Inspection



1.CHECK INTAKE AIR TEMPERATURE SENSOR



1. Turn ignition switch OFF.



2. Disconnect mass air flow sensor (bank 1) harness connector.



3. Check resistance between mass air flow sensor (bank 1) terminals as per the following.