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Combination Valve, Checking - I|Page 4764 > < Air Injection Control Valve|Locations
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Air Injection Control Valve: Testing and Inspection
Combination Valve, Checking - I

Combination Valve, Checking

Combination valve with vacuum connection

Engine code AEG up to 05.99

Special tools, testers and auxiliary items required

-

Hand vacuum pump VA.G1390

Requirements

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No faults (DTCs) stored in Diagnostic Trouble Code (DTC) memory. See: Computers and Control Systems/Engine Control Module/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes

-

Final control diagnosis performed. See: Computers and Control Systems/Testing and Inspection/Programming and Relearning

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Vacuum lines and hose connections free of leaks.

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Vacuum lines not blocked/kinked.

Work sequence

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Remove engine cover.

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Pull vacuum hose -1 - off Secondary Air Injection (AIR) solenoid valve -N112- -1

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Connect hand vacuum pump VA.G1390 to vacuum hose -1 -.

NOTE:  Do not use compressed air during the following check.

-

Disconnect pressure hose from secondary air pump motor.

NOTE:  To disconnect the hose press corrugated areas of ring together.

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Blow lightly into pressure hose - arrow -.

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Combination valve must be closed

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Operate hand vacuum pump.

Combination Valve, Checking - I|Page 4764 > < Air Injection Control Valve|Locations