2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 206
See: P Code Charts/P0451.
Is the inspection result normal?
YES - GO TO 10.
NO - Replace EVAP control system pressure sensor.
10.CHECK MAF SENSOR
See: P Code Charts/P0101.
Is the inspection result normal?
YES - GO TO 11.
NO - Replace malfunctioning MAF sensor.
11.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 MASS AIR FLOW (MAF) SENSOR-I
With CONSULT-III
1. Turn ignition switch OFF.
2. Reconnect all harness connectors disconnected.
3. Start engine and warm it up to normal operating temperature.
4. Connect CONSULT-III and select "DATA MONITOR" mode.
5. Select "MAS A/F SE-B1" and "MAS A/F SE-B2", and check the indication.
Without CONSULT-III
1. Turn ignition switch OFF.
2. Reconnect all harness connectors disconnected.
3. Start engine and warm it up to normal operating temperature.
4. Check the voltage between ECM harness connector terminals under the following conditions.
Is the inspection result normal?
