ENGINE AND EMISSION CONTROL ± Emission Control System
17-12
PURGE CONTROL SOLENOID VALVE CHECK
NOTE
When disconnecting the vacuum hose, always make a mark
so that it can be reconnected at original position.
1. Disconnect the vacuum hose (black stripe, red stripe) from
the solenoid valve.
2. Disconnect the harness connector.
3. Connect a hand vacuum pump to nipple (A) of the solenoid
valve (refer to the illustration at left).
4. Check airtightness by applying a vacuum with voltage
applied directly from the battery to the purge control
solenoid valve and without applying voltage.
Jumper wire Nipple B Normal condition
Connected
Open Vacuum leaks
Closed Vacuum maintained
Disconnected Open Vacuum maintained
5. Measure the resistance between the terminals of the
solenoid valve.
Standard value: 36 ± 44 Ω (at 20_C)
Battery
B
A
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