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Vacuum Pump: Testing and Inspection

CRUISE VACUUM PUMP (CONTROL VALVE, RELEASE VALVE)
1. Remove the auto-cruise vacuum pump connector.
2. Measure the resistance value between connector terminal 1 and 2, and connector terminals 2 and 4.
Standard value : 50-60 Ohms




3. Check that the solenoid valve makes an operating noise when battery voltage is impressed between terminals 2 and 1, and connector terminals 2 and 4.
4. If there is a malfunction of the solenoid valve. Replace the cruise vacuum pump assembly.
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