Volkswagen Golf / Golf GTI / Jetta. Manual — part 97

For

secondary
air
solenoid
valve

Mark

connector
and
component
before
pulling
connector
off.

24 - Intake

Manifold
Change-
Over
valve -
N156-
*/**

Valve is

activated
by
engine
control
module
(pulsed)

Secondary air system

26-28

25

-

Secondary
Air
Injection
(AIR)
solenoid
valve -
N112-*

/

**

Valve is

activated
by
engine
control
module
(pulsed)

26 - Vacuum

reservoir

27 - Non-

return
valve

Observe

installation
position

White

connector
faces
Secondary
air
injection
solenoid
valve -
N112-
/Intake
manifold
change-
over valve
-N156-

28

-

Connector

Black,

2-pin

For

secondary
air
injection
pump

Secondary air system

motor

Secondary air system

26-29

Note:

Fig. 1

Position of relays in
protective housing (on
left in engine
compartment)

1 - Secondary Air Injection (AIR)
pump relay -J299-*

/

**

2 - Motronic ECM power supply
relay -J271-*

If tools are necessary to pull

relays or control modules out of
the relay plate, first disconnect
the battery Ground strap.

Before disconnecting the battery

Ground strap obtain the code for
radios with anti-theft coding.

Secondary air system