isuzu Workshop Repair Guides

Isuzu Workshop Service and Repair Manuals

Canister Purge Vacuum Switching Valve|Page 1420 > < EVAP Canister Vacuum Switching Valve <--> [Canister Purge Solenoid]|Specifications|Page 1417
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EVAP Canister Vacuum Switching Valve: Testing and Inspection
Canister Purge Vacuum Switching Valve

Canister Control Solenoid Connector

Fuel Pressure Control Solenoid Terminals

VSV CHECK

-

Disconnect VSV connector.

-

Using an ohm meter, check resistance between "GW" and "BW" wires of VSV connector. If resistance is not approximately 30 ohms, replace
VSV.

Canister And Pressure Regulator Vacuum Switching Valve

-

Confirm that air passes between "throttle valve" and "air filter" fittings.

-

Apply battery voltage to VSV wires "GW" and "BW". Solenoid should click and air should pass between "throttle valve" and "purge control
valve" fittings.

-

Replace VSV if faulty.

Canister Purge Vacuum Switching Valve|Page 1420 > < EVAP Canister Vacuum Switching Valve <--> [Canister Purge Solenoid]|Specifications|Page 1417