NOTE: A vacuum pump capable of producing more than 10 in. Hg
(33.8 kPa) of vacuum will be needed to perform this test.
- Apply negative pressure to the vacuum tank side nipple (connect to the white
vacuum hose) of the VIC solenoid with a hand vacuum pump. Check for air-tightness
when voltage is applied and removed from the VIC solenoid terminals.
- When the battery positive (+) voltage is applied, the other nipple of
the VIC solenoid should be open and the negative pressure should leak.
- With the battery positive (+) voltage applied, cover the other nipple
with your finger and the negative pressure should be maintained.
- When the battery positive (+) voltage is not applied and the other nipple
is left open, the negative pressure should be maintained.
Use an ohmmeter to measure the resistance between the two terminals (coil)
on the VIC solenoid. The resistance should be 36–44 ohms at 68°F
(20°C). If the VIC solenoid fails any of these tests, replace it with a
new one.
| Fig. 1: Test the resistance between the two terminals
on the VIC solenoid coil — the resistance should be between
36–44 ohms at 68°F (20°C)
|
