Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLKSWAGEN2003GOLF (1J1) L4-2.0L (AZG)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMSERVICE AND REPAIRIGNITION SYSTEM COMPONENTS, REMOVING AND INSTALLING
2003 Volkswagen Golf (1J1) L4-2.0L (AZG)
Ignition System Components, Removing and Installing
2003 Volkswagen Golf (1J1) L4-2.0L (AZG)SECTION Ignition System Components, Removing and Installing
General Notes on Ignition System
Ignition System Components, Removing and Installing
1 - High Tension cable
- 4 to 8 kOhms
- With suppression connector and spark plug connector
- Only remove and install spark plug connector using tool T10029
2 - Ignition coil with output stage (-N70-, -N127-, -N291-, -N292-)
Connection, ignition wires:
- HV1 = Cylinder 1
- HV2 = Cylinder 2
- HV3 = Cylinder 3
- HV4 = Cylinder 4
3 - 10 Nm
4 - Connector
- 6 pin
5 - Knock sensor 1 -G61-*
- Contacts gold plated
- Fitting location: Cylinder block intake side
6 - 2-pin connector
- For knock sensor 1 -G61-
- Contacts gold plated
- Do not interchange
7 - Knock sensor 2 -G66-*
- Contacts gold plated
- Fitting location: Cylinder block intake side
8 - 2-pin connector
- For knock sensor 2 -G66-
- Contacts gold plated
- Do not interchange
9 - 20 Nm
- Tightening torque influences the function of the knock sensor
10 - Spark plug, 30 Nm
- Type and electrode gap See test data, spark plugs.
- Remove and install with 3122B
11 - Connector
- Contacts gold plated
- 3 pin
12 - 10 Nm
13 - 100 Nm
- Use counter- hold tool 3415 to loosen and tighten
14 - Camshaft sprocket
- With rotor for Camshaft Position (CMP) sensor
15 - Camshaft Position (CMP) sensor -G40-*
16 - Bracket
- For Camshaft Position (CMP) sensor
Ignition System Components, Removing and Installing
1 - High Tension cable
- 4 to 8 kOhms
- With suppression connector and spark plug connector
- Only remove and install spark plug connector using tool T10029
2 - Ignition coil with output stage (-N70-, -N127-, -N291-, -N292-)
Connection, ignition wires:
- HV1 = Cylinder 1
- HV2 = Cylinder 2
- HV3 = Cylinder 3
- HV4 = Cylinder 4
3 - 10 Nm
4 - Connector
- 6 pin
5 - Knock sensor 1 -G61-*
- Contacts gold plated
- Fitting location: Cylinder block intake side
6 - 2-pin connector
- For knock sensor 1 -G61-
- Contacts gold plated
- Do not interchange
7 - Knock sensor 2 -G66-*
- Contacts gold plated
- Fitting location: Cylinder block intake side
8 - 2-pin connector
- For knock sensor 2 -G66-
- Contacts gold plated
- Do not interchange
9 - 20 Nm
- Tightening torque influences the function of the knock sensor
10 - Spark plug, 30 Nm
- Type and electrode gap See test data, spark plugs.
- Remove and install with 3122B
11 - Connector
- Contacts gold plated
- 3 pin
12 - 10 Nm
13 - 100 Nm
- Use counter- hold tool 3415 to loosen and tighten
14 - Camshaft sprocket
- With rotor for Camshaft Position (CMP) sensor
15 - Camshaft Position (CMP) sensor -G40-*
16 - Bracket
- For Camshaft Position (CMP) sensor
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.