Variable Induction Control Module: Service and Repair

Throttle Valve Control Module (J338)

Special tools, testers and auxiliary items required

• Hose Clamps up to 25 mm Dia. (3094) (only for a throttle valve control module heated by coolant)

Removing

• Pay attention to the rules of cleanliness. Refer to => [ Clean Working Conditions ] Multiport Fuel Injection.

- Remove engine cover with air filter => [ Engine Cover with Air Filter ] Engine Cover with Air Filter.

- Remove the connecting pipe - 4 - between the throttle valve control module and air filter. To do so, disconnect the vent hose - 1 - from the oil filter bracket, and if present the vent hose - 2 - from the Secondary Air Injection (AIR) pump motor (compress the securing ring) and remove the spring clamp - 3 -.






- Remove the air guide bolts - arrows - from the lock carrier.






- Disconnect the connector - 1 - and the vent hose - 2 -.






- Remove the bolts - arrows -.

• Seal the intake passage in the intake manifold using a clean cloth.

- Clamp off the coolant hoses using hose clamps up to 25 mm dia. (3094) and disconnect them from the throttle valve connections - arrows -.






• Coolant hoses are only for a throttle valve control module that is heated by coolant

Installing

Installation is performed in the reverse order of removal. When doing this note the following:

• Replace the seal for the throttle valve control module if damaged.

• Connection for coolant hoses => [ (Item 21) ] Cooling System Components Overview, Engine Side.

• Make sure the vent tubes - 1 and 2 - fit securely.






• When replacing, erase the adaptation values and adapt the Engine Control Module (ECM) to the throttle valve control module. Refer to "Guided Functions" in the vehicle diagnostic tester.

Tightening Specifications