2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 511
2. Check if water will drain from the EVAP canister (1).
2 : EVAP canister vent control valve
Does water drain from EVAP canister?
YES - GO TO 4.
NO - GO TO 6.
4.CHECK EVAP CANISTER
Weigh the EVAP canister with the EVAP canister vent control valve and EVAP control system pressure sensor attached.
The weight should be less than 2.0 kg (4.0 lb).
Is the inspection result normal?
YES - GO TO 6.
NO - GO TO 5.
5.DETECT MALFUNCTIONING PART
Check the following.
- EVAP canister for damage
- EVAP hose between EVAP canister and vehicle frame for clogging or poor connection
- Repair hose or replace EVAP canister.
6.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR CONNECTOR
1. Disconnect EVAP control system pressure sensor harness connector.
2. Check connectors for water.
Water should not exist.
Is the inspection result normal?
YES - GO TO 7.
NO - Replace EVAP control system pressure sensor.
7.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
See: P Code Charts/P0451.
Is the inspection result normal?
YES - GO TO 8.
NO - Replace EVAP control system pressure sensor.
8.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 EVAP CANISTER VENT CONTROL VALVE-I
1. Turn ignition switch OFF.
2. Remove EVAP canister vent control valve from EVAP canister.
3. Check portion (A) of EVAP canister vent control valve for being rusted.
Is it rusted?
YES - Replace EVAP canister vent control valve
NO - GO TO 2.
2.CHECK EVAP CANISTER VENT CONTROL VALVE-II
