infiniti Workshop Repair Guides

Infiniti Workshop Service and Repair Manuals

Sensors and Switches - Fuel Delivery and Air Induction > < Diagram Information and Instructions|Page 1858
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Evaporative Vapor Pressure Sensor: Testing and Inspection

Component Inspection

EVAP CONTROL SYSTEM PRESSURE SENSOR

1. Remove EVAP control system pressure sensor with its harness connector connected from EVAP canister.

Always replace O-ring with a new one.

2. Install a vacuum pump to EVAP control system pressure sensor.

3. Turn ignition switch ON and check output voltage between ECM terminal 32 and ground under the given conditions.

CAUTION:
-

Always calibrate the vacuum pump gauge when using it.

-

Do not apply below -93.3 kPa (-700 mmHg, -27.56 inHg) or pressure over 101.3 kPa (760 mmHg, 29.92 inHg).

4. If NG, replace EVAP control system pressure sensor.

Sensors and Switches - Fuel Delivery and Air Induction > < Diagram Information and Instructions|Page 1858