B09191
Voltmeter
3
1
SF0JN-04
B09192
2
3
-
SFI
VAPOR PRESSURE SENSOR
SF-77
1152
Author:
Date:
2001 SIENNA (RM787U)
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 connec-
tor terminals 1 and 3 of the wiring harness side.
Voltage: 4.5 - 5.5 V
(d)
Turn the ignition switch to LOCK.
(e)
Reconnect the vapor pressure sensor connector.
2.
INSPECT POWER OUTPUT OF VAPOR PRESSURE
SENSOR
(a)
Turn the ignition switch ON.
(b)
Remove the fuel tank cap.
(c)
Connect a voltmeter to terminals 2 and 3, and measure
the output voltage.
Voltage: 3.0 - 3.6 V
(d)
Reinstall the fuel tank cap.
