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Evaporative Vapor Pressure Sensor: Testing and Inspection

VAPOR PRESSURE SENSOR

INSPECTION




1. INSPECT POWER SOURCE VOLTAGE OF VAPOR PRESSURE SENSOR
a. Disconnect the vapor pressure sensor connector.

HINT: Near the fuel tank.

b. Turn the ignition switch ON.
c. Using a voltmeter, measure the voltage between connector terminals VC and E2 of the wiring harness side.

Voltage: 4.5 - 5.5 V

d. Turn the ignition switch OFF.
e. Reconnect the vapor pressure sensor connector.

2. INSPECT POWER OUTPUT OF VAPOR PRESSURE SENSOR
a. Turn the ignition switch ON.




b. Connect a voltmeter to terminals PTNK and E2, and measure the output voltage.

Voltage: 3.0 - 3.6 V