Tacoma PreRunner 2WD V6-3.4L (5VZ-FE) (2003)
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Leak Detection Sensor: Testing and Inspection
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