ev ign syst aaf acu 95, VW T4 2,5 benzyna AAF
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28-22
Digifant Ignition system,
component overview
Vehicles starting m.y. 1995
Notes:
Only information specific to the ignition system
is covered in this Repair Group. For Fuel
injection system information:
Repair Manual , Fuel Injection & Ignition,
Repair Group 24
The Fuel Injection and Ignition system Engine
Control Module is equipped with On Board
Diagnostic capability.
Components marked with an * are checked via
the On Board Diagnostic system.
Before performing repairs and/or
troubleshooting, check the Diagnostic Trouble
Code *(DTC) memory
Page 01-53
.
Safety precautions
Page 28-27
Checking and adjustment data, spark plugs
Page 28-28
28-23
1 -
Ignition coil -N152-
checking:
Page 28-36
2 -
Terminal 4
3 -
Terminal 15
4 -
Terminal 1
5 -
Ignition coil power output stage -N157-
checking:
Page 28-37
6 -
RFI Suppressor
0.6 to 1.4 k
7 -
Connector
8 -
Dust cap
9 -
Rotor
marking: R1
0.6 to 1.4 k
10 -
Distributor cap
check for cracks and signs of arcing (carbon tracks)
check electrode wear
clean before fitting
check carbon brush for wear and freedom of
movement
28-24
11 -
RFI shield
12 -
High tension cable
check for continuity
13 -
Spark plug connector
4000 to 6000
14 -
Spark plug
30 Nm (22 ft lb)
type and electrode gap
Page 28-28
15 -
Knock sensor 2 -G66-**
on left in direction of travel
on engine block
16 -
20 Nm (15 ft lb)
tightening torque influences the function of the knock
sensor
17 -
Knock sensor 1 -G61-*
on right in direction of travel
on engine block
18 -
10 Nm (7 ft lb)
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