Secondary Air Injection (Air) Solenoid Valve, Checking, With Vacuum Control: Procedure

• Vacuum lines and hose connections free of leaks.
• Vacuum lines not plugged.

-- Remove the engine cover in direction of -arrows-.

Fig 1: Identifying Engine Cover

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Left AIR Combination Valve

-- Remove the plenum chamber bulkhead. Refer to LOCK CARRIER .

Right AIR Combination Valve 

Fig 2: Disconnecting Connector On Mass Airflow (MAF) Sensor

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-- Free up the fuel line and the line to the Evaporative Emission (EVAP) canister on the air guide pipe.

-- Disconnect the connector -1- from the Mass Airflow Sensor -G70-.

-- Disconnect the vacuum line -3- from the air guide pipe.

-- Lay aside air guide pipe with connected crankcase ventilation hose -2- by loosening hose clamp -4- and opening clips -arrows-.

Continued for Both Sides

Fig 3: Identifying Secondary Air Hose -1-, Secondary Air Injection Combination Valve -2-, And Vacuum Hose -3-

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-- Remove the vacuum hose -3- on the combination valve to be checked.

-- Disconnect the secondary air hose -3- by pressing the release buttons.

-- Connect the : VAS6213  to the vacuum connection -1- for the combination valve to be checked.

Fig 4: Connecting Hand Vacuum Pump To Secondary Air Injection Combi-Valve

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-- Connect the hose -2- to the AIR combination valve.

-- Blow lightly into the assisting hose by mouth, do not use compressed air.

• The AIR combination valve must be closed and it must not be possible to blow through it.

-- Blow forcefully into the assisting hose by mouth, do not use compressed air.

• The AIR combination valve must open and it must be possible to blow through it.

-- If the right AIR combination valve does not react as described, replace it.

-- Refer to LEFT COMBINATION VALVE, REMOVING AND INSTALLING, WITH VACUUM CONTROL  or RIGHT COMBINATION VALVE, REMOVING AND INSTALLING, WITH VACUUM CONTROL .