Volkswagen Golf / Golf GTI / Jetta. Manual — part 184

24-6

18

-

Engine
Coolant
Temperature
(ECT)
sensor -
G62-

For

Motronic
Engine
Control
Module
(ECM) -
J220-

With Engine

Coolant
Temperature
Gauge
sensor -G2-

Release

pressure in
cooling
system if
necessary
before
removing
components

19 - Engine

Speed
(RPM)
Sensor -
G28-

20 - Knock

Sensor
(KS) 2 -
G66-

Component

location:
Between
cyl. 4 and
cyl. 6

Page 28-8

,

item 17

21 -

Secondary
Air
Injection

Fuel injection system, servicing

Repair

Manual, 2.8 Liter
VR6 4V Engine
Mechanical,
Engine Code(s):
BDF; Repair
Group 26

(AIR)
Pump
Motor -
V101-

Checking

activation

Page

01-100

,

Output
Diagnosis
Test
Mode
(DTM)

Secondary

air
system:

Fuel injection system, servicing

24-7

Repair

Manual, 2.8 Liter
VR6 4V Engine
Mechanical,
Engine Code(s):
BDF; Repair
Group 26

22 - Intake

Manifold
Change-
Over
Valve -
N156-

23

-

Secondary
Air
Injection
(AIR)
Solenoid
Valve -
N112-

Checking

activation

Page

01-100

,

Output
Diagnosis
Test
Mode
(DTM)

Secondary

air
system:

24 - Fuel Fuel

injector (-
N30-
...N33-, -
N83-, -
N84-)

25

-

Evaporative
Emission
(EVAP)
Canister
Purge
Regulator
Valve -N80-

Checking

Fuel injection system, servicing

Repair

Manual, 2.8
Liter VR6 4V
Engine
Mechanical,
Engine Code(s):
BDF; Repair
Group 20

activation

Page

01-100

,

Output
Diagnosis
Test
Mode
(DTM)

Evaporative

Emission
(EVAP)
Canister
system

Fuel injection system, servicing