Volkswagen Golf / Golf GTI / Jetta. Manual — part 187

24-14

7 - Vacuum

line

Press

together
at front
to
release

8 - Motronic

Engine
Control
Module
(ECM) -
J220-*

(Motronic

control
module -
J220-

Component

location: In
plenum
chamber

Checking

voltage
supply

Page 24-
163

Procedure

after
interrupting
voltage
supply

Page 24-
170

Replacing

Page

24-173

Coding

Page
24-177

When
replacing,
erase
learned

Fuel injection system, servicing

values
and
adapt
Motronic
Engine
Control
Module
(ECM) -
J220- to
Throttle
Valve
Control
Module -
J338-

Page 24-
182

9

-

Supporting
frame

Fuel injection system, servicing

24-15

Repair Manual,

2.8 Liter VR6 4V
Engine
Mechanical,
Engine Code(s):
BDF; Repair
Group 19

10 - Connector

For

Motronic
Engine
Control
Module
(ECM) -
J220-

Disconnect

or connect
only with
ignition
switched
off

Release to

disconnect

11 - Retaining

clip

Check

seated
securely

12 - Thermostat

housing

Component

location

Page 24-1

,

Component
locations
overview

Disassembling

and
assembling:

13 - O-ring

Replace

if
damaged

Fuel injection system, servicing

24-16

14

-

Engine
Coolant
Temperature
(ECT)
sensor -
G62-*

For

Motronic
Engine
Control
Module
(ECM) -
J220-

With Engine

Coolant
Temperature
(ECT)
sensor -G2-

Gold

plated
terminals

Release

pressure in
cooling
system if
necessary
before
removing
components

Checking

Page

24-69

15 - 10 Nm

16 - Engine

Speed
(RPM)
Sensor -
G28-*

Component

location

Page 24-1

,

Component
locations
overview

Fuel injection system, servicing