Servicing TIC-H ignition system — VW

FB FH FK FN FP FT FV HN JB GY HM HV AJD
Engine code GY, HN, HM, JB, AJD

I =>page
28-37

II =>page
28-41

Note:

Components marked with ** feature M4 ignition cable connections 07.84 ▸.The two versions are not mutually interchangeable.

Safety precaution for TCI-H ignition system =>page
28-43

Adjustment data, spark plugs =>page
28-44

Distributor data =>page
28-46

Part I

Suppression plug**
0.6...1.4 kohms

Shielding ring
For radio interference suppression

Earthing strap
Distributor cap**
Watch for cracks and traces of leakage current
Clean before fitting
Before removal, loosen fastener of earthing strap of shielding ring

Carbon brush with spring
Check for wear, damage and freedom of moment

Rotor arm
Marking: R1
0.6...1.4 kohm
08.85 ▸engine code HN with speed governor, cutout speed:
6150...6450 rpm

Dust cap
Circlip
Pin
Cover
Removing and installing =>page
28-72

Washer (s)
No. of washer: Hall sender free of play and easy to turn

Clamping bracket
Must not be inwards with dust cap removed (danger of cover damage)

Hall sender -G40-
Checking: checking TCI-H ignition system =>page
28-67
Thinly grease bearing surfaces

Vacuum unit
Checking vacuum advance: checking ignition timing =>page
28-56
Leak test: checking ignition timing
=>page
28-56

25 Nm
Clamp
Gasket or O-ring
Renew gasket

Distributor
Installing=>page
28-52
Checking and adjusting ignition point =>page
28-54
Checking ignition timing =>page
28-56

Base plate
Connection piece
Retainer

Connector
Spring washer
Spark plug, 25 Nm
Type electrode gap: adjustment data, spark plugs =>page
28-44

Spark plug connector**
Without shielding
0.6...1.4 kohm
With shielding
4...6 kohm

Ignition lead**
Check for continuity

Part II

DIS switch unit
Engine code JB, HM, AJD only
Checking =>page
28-71
Pull of plugs and connect together before adjusting ignition point

Bracket
TCI-H switch unit
Checking: checking TCI-H ignition system =>page
28-67

Heat sink
Plug contact at battery "negative" terminal
In main wiring loom
Suppression plug**
0.6...1.4 kohm

Terminal 4 **
Terminal 15 (+)

Ignition coil
Primary resistance:
0.52...0.76 ohms
(between term. 1 + 15)
Secondary resistance:
2.4...3.5 kohms
(between term. 4 + 15)

8 Nm
Clip
Terminal 1 (-)