Secondary Air Injection Combination Valve, Checking

WARNING: This page is about a different variant/trim than selected.

The following procedure is used to test all combination valves.

Special Tools And Workshop Equipment Required

Test Conditions

Test Procedure

-- Perform a preliminary check to verify the customers complaint. Refer to PRELIMINARY CHECK .

Start Procedure

-- Remove the vacuum hose from the Secondary Air Injection Combination Valve --.

-- Connect hand vacuum pump to combination valve vacuum connection.

-- Remove the air duct hose from the Throttle Valve Control Module -J338- and position aside.

-- Disconnect the Secondary Air Injection hose.

-- Inject a light air pressure into the in Secondary Air Injection hose to close the combination valve. (do not use compressed air).

The Secondary Air Injection Combination Valve -- should close and seal. Air should not be able to pass through the valve.

-- Operate the hand vacuum pump.

The Secondary Air Injection Combination Valve -- should open. Air should be able to pass through the valve.

If Combination Valve Does Not Open:

Replace the Secondary Air Injection Combination Valve --

Final procedures

After The Repair Work, The Following Work Steps Must Be Performed In The Following Sequence:

Check the DTC memory. Refer to DIAGNOSTIC MODE 03 - READ DTC MEMORY .
If necessary, erase the DTC memory. Refer to DIAGNOSTIC MODE 04 - ERASE DTC MEMORY .
If the DTC memory was erased, generate readiness code. Refer to READINESS CODE .