Ignition System: Service and Repair

IGNITION SYSTEM COMPONENTS, SERVICING

NOTES:
- Only components which specifically relate to the ignition system are dealt with here.
- The fuel injection and ignition system Engine Control Module (ECM) is equipped with On Board Diagnostic (OBD).
- Components marked with an asterisk (*) are checked via the On Board Diagnostic (OBD) program.
- Check Diagnostic Trouble Code (DTC) memory before carrying out repairs and troubleshooting. Refer to "On-Board Diagnostics II With VAG 1551". Testing and Inspection





NOTE: Engine Control Module (ECM) -J220-* with connector, item 12 in "Fuel Injection System, Servicing". Service and Repair

1 - Ignition wires
- Check for continuity
2 - Suppressor
- 0.61.4 k Ohms
3 - Terminal 1
4 - Terminal 15
5 - Ignition coil power output stage -N157-*
6 - 10 Nm (7 ft lb)
7 - Ignition coil -N152-
- 3-pin
9 - Ground (GND) strap
10 - Knock Sensor (KS) 1 -G61-*
11 - 20 Nm (15 ft lb)
- Tightening torque influences function of knock sensor
12 - Spark plug connector
- Use 3277 when disconnecting and connecting
- 4-6 k Ohms
13 - Spark plug
- 30 Nm (22 ft lb)
- Remove and install with 3122B
14 - 25 Nm (18 ft lb)
15 - Clamp
16 - O-ring
- Replace if damaged
17 - Camshaft Position (CMP) sensor -G40-*
18 - Dust cap
19 - Rotor arm
- Marking R1
- 0.6-1.4 k Ohms
20 - Distributor cap
- Check for cracks and signs of tracking
- Check contact wear
- Clean before installing
- Check carbon brush for wear and freedom of movement
21 - Screening cap