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 MANUALSVOLKSWAGEN2003PASSAT SEDAN (3B3) L4-1.8L TURBO (AWM)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMSERVICE AND REPAIR
2003 Volkswagen Passat Sedan (3B3) L4-1.8L Turbo (AWM)
Ignition System: Service and Repair
2003 Volkswagen Passat Sedan (3B3) L4-1.8L Turbo (AWM)SECTION Service and Repair
Ignition System Components, Removing and Installing
A parts: Only for engine code ATW
B parts: Only for engines AUG, AWM
1 - Connector
- Black, 4-pin
2 - Ignition coil with power output stage (-N70-, -N127-, -N291-, -N292-)
- Tighten mounting bolts to 10 Nm
- Use T10094 removal tool to remove
CAUTION!
Use of tool T10094 is required to avoid damage to these sensitive components.
3 - Seal
- Replace if damaged
4 - Spark plug, 30 Nm
- Remove and install with 3122 B
- Type and spark plug gap, test data, spark plugs
5 - 3-pin harness connector
- Terminals are gold-plated
- Brown for Knock Sensor (KS) 1 -G61-
- Black for Knock Sensor (KS) 2 -G66-
6 - 20 Nm
- Tightening torque affects function of Knock Sensor (KS)
7 - Knock Sensor (KS) 1 -G61-*
- Terminals of sensor and connector are gold-plated
8 - Knock Sensor (KS) 2 -G66-*
- Terminals of sensor and connector are gold-plated
9 - Connector
- Black, 3-pin
10 - 10 Nm
11 - Camshaft - Position (CMP) sensor -G163-*
12 - 25 Nm
13 - Washer
- Conical
14 - Face plate
- For Camshaft Position (CMP) sensor 2 -G163-
- Note position when installing
15 - Ground (GND) wire
- Do not loosen or tighten unless ignition is switched off.
16 - 10 Nm
- Do not loosen or tighten unless ignition is switched off.
RENDER: 1.0x
NO RELATED
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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.