2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 506
3. Turn ignition switch ON.
4. Check the voltage between EVAP canister vent control valve harness connector and ground.
Is the inspection result normal?
YES - GO TO 5.
NO - GO TO 4.
4.DETECT MALFUNCTIONING PART
Check the following.
- Harness connectors B4, E106
- Harness connectors B66, B436
- Harness connectors B171, B469
- Harness for open or short between EVAP canister vent control valve and IPDM E/R
- Repair open circuit, short to ground or short to power in harness or connectors.
5.CHECK EVAP CANISTER VENT CONTROL VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between EVAP canister vent control valve 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 7.
NO - GO TO 6.
6.DETECT MALFUNCTIONING PART
Check the following.
- Harness connectors B171, B469
- Harness connectors B418, M66
- Harness for open or short between EVAP canister vent control valve and ECM
- Repair open circuit, short to ground or short to power in harness or connectors.
7.CHECK RUBBER TUBE FOR CLOGGING
1. Disconnect rubber tube connected to EVAP canister vent control valve.
2. Check the rubber tube for clogging.
Is the inspection result normal?
YES - GO TO 8.
NO - Clean the rubber tube using an air blower.
8.CHECK EVAP CANISTER VENT CONTROL VALVE
See: P Code Charts/P0447.
Is the inspection result normal?
YES - GO TO 9.
NO - Replace EVAP canister vent control valve.
9.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
