2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 489
2. Check if water will drain from EVAP canister (1).
2 : EVAP canister vent control valve
Does water drain from the EVAP canister?
YES - GO TO 8.
NO-1 - With CONSULT-III: GO TO 10.
NO-2 - Without CONSULT-III: GO TO 11.
8.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-1 - With CONSULT-III: GO TO 10.
YES-2 - Without CONSULT-III: GO TO 11.
NO - GO TO 9.
9.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.
10.CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION
With CONSULT-III
1. Disconnect vacuum hose connected to EVAP canister purge volume control solenoid valve at EVAP service port.
2. Start engine and let it idle.
3. Select "PURG VOL CONT/V" in "ACTIVE TEST" mode.
4. Touch "Qu" on CONSULT-III screen to increase "PURG VOL CONT/V" opening to 100%.
5. Check vacuum hose for vacuum.
Vacuum should exist.
Is the inspection result normal?
YES - GO TO 13.
NO - GO TO 12.
11.CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION
Without CONSULT-III
1. Start engine and warm it up to normal operating temperature.
2. Stop engine.
3. Disconnect vacuum hose connected to EVAP canister purge volume control solenoid valve at EVAP service port.
4. Start engine and let it idle for at least 80 seconds.
5. Check vacuum hose for vacuum when revving engine up to 2,000 rpm.
Vacuum should exist.
Is the inspection result normal?
YES - GO TO 13.
NO - GO TO 12.
12.CHECK VACUUM HOSE
Check vacuum hoses for clogging or disconnection. See: Powertrain Management/Emission Control Systems/Evaporative Emissions
System/Description and Operation/System Diagram.
Is the inspection result normal?
YES - GO TO 13.
NO - Repair or reconnect the hose.
13.CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
See: P Code Charts/P0443.
Is the inspection result normal?
YES - GO TO 14.
NO - Replace EVAP canister purge volume control solenoid valve.
14.CHECK FUEL TANK TEMPERATURE SENSOR
