Ignition System Layout Up to Jan. 1993

Ignition System Layout:

Components

1 Engine control module (J 220)*.

2 Harness connector for ignition coil.

3 Ignition coil power output stage (N 157).

4 Ignition coil (N 152).

5 High tension Ignition cable.

6 RFI suppression connector.

7 RFI suppression cap.

8 Distributor cap.

9 10 Nm (7 ft lb).

10 0-ring, replace if damaged.

11 Ground connector.

12 Knock Sensor II (G 66)*.
Location: engine block, intake side.

13 Spark plug, 25 Nm (18 ft lb).
Use 3122B adaptor to remove and install.

14 Proper Torque is critical, 20 Nm (15 ft lb).
Tightening torque influences the function of the knock sensor.

15 Knock Sensor I (G 51)*.
Location: engine block, exhaust side

16 Spark plug connector.
use 3277 adaptor to remove and insert.

17 Harness connector or engine control module.
CAUTION;Do NOT disconnect until ignition has been switched off for at least 20 seconds.

Note;Components marked with an asterisk (*) are checked with the VAG 1551 scan tool.