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 MANUALSVOLKSWAGEN1999GTI (1W1) V6-2.8L (AAA)REPAIR AND DIAGNOSISSTARTING AND CHARGINGSTARTING SYSTEMIGNITION SWITCHIGNITION SWITCH LOCK CYLINDERSERVICE AND REPAIR
1999 Volkswagen GTI (1W1) V6-2.8L (AAA)
Ignition Switch Lock Cylinder: Service and Repair
1999 Volkswagen GTI (1W1) V6-2.8L (AAA)SECTION Service and Repair
Lock cylinder, removing and installing
Removing
- Remove steering lock housing refer to, Steering and Suspension, Steering Column, Service and Repair Service and Repair
- Mark steering lock housing for hole at intersection of points -a- and -b-.
Dimension -a- = 12 mm (15/32 in.)
Dimension -b- = 10 mm (25/64 in.)
- Drill 3 mm (1/8 in.) diameter hole into steering lock housing at mark until lock cylinder stop spring is visible.
Hole depth: approx. 3 mm (1/8 in.)
- Compress stop spring using opposite end of drill and pull out lock cylinder.
Installing
- Insert lock cylinder into steering lock housing.
- Insert key into lock cylinder.
- Push lock cylinder fully into housing while gently turning key.
Steering column switches, connector wiring
A. Ignition/starter switch -D-
1. Ignition/starter switch -D-, terminal 15 (B+ with key on)
2. Ignition/starter switch -D-, terminal X (B+ with key on)
3. Ignition/starter switch -D-, terminal 50
4. Ignition/starter switch -D-, terminal 30 (B+)
5. Ignition/starter switch -D-, terminal SU
6. Ignition/starter switch -D-, terminal P
B. Connector, 5-point
1. Windshield wiper/washer switch -E22-, terminal 53b
2. Windshield wiper/washer switch -E22-, terminal 53a
3. Windshield wiper/washer switch -E22-, terminal 53
4. Windshield wiper/washer switch -E22-, terminal 53e
5. Windshield wiper/washer switch -E22-, terminal J
C. Connector, 5-point
1. Emergency flasher switch -E3-,terminal 49
2. Headlight dimmer/flasher switch -E4-, terminal 56b
3. Headlight dimmer/flasher switch -E4-, terminal 56
4. Headlight dimmer/flasher switch -E4-, terminal 56a
5. Headlight dimmer/flasher switch -E4-, terminal 30 (B+)
D. Connector, 4-point
1. Windshield wiper/washer switch -E22-, terminal L
2. Windshield wiper/washer switch -E22-, terminal T
3. Windshield wiper/washer switch -E22-, terminal 31 (GND)
4. Emergency flasher switch -E3-, terminal 15 (B+ with key on)
E. Connector, 7-point
1. Horn button, terminal 71
2. Emergency flasher switch -E3-, terminal 49a
3. Turn signal switch -E2-, terminal L
4. Parking light switch -E19-, terminal PL
5. Parking light switch -E19-, terminal P
6. Parking light switch -E19-, terminal PR
7. Turn signal switch -E2-, terminal R
Removing
- Remove steering lock housing refer to, Steering and Suspension, Steering Column, Service and Repair Service and Repair
- Mark steering lock housing for hole at intersection of points -a- and -b-.
Dimension -a- = 12 mm (15/32 in.)
Dimension -b- = 10 mm (25/64 in.)
- Drill 3 mm (1/8 in.) diameter hole into steering lock housing at mark until lock cylinder stop spring is visible.
Hole depth: approx. 3 mm (1/8 in.)
- Compress stop spring using opposite end of drill and pull out lock cylinder.
Installing
- Insert lock cylinder into steering lock housing.
- Insert key into lock cylinder.
- Push lock cylinder fully into housing while gently turning key.
Steering column switches, connector wiring
Steering Column Switches, Connector Wiring:
A. Ignition/starter switch -D-
1. Ignition/starter switch -D-, terminal 15 (B+ with key on)
2. Ignition/starter switch -D-, terminal X (B+ with key on)
3. Ignition/starter switch -D-, terminal 50
4. Ignition/starter switch -D-, terminal 30 (B+)
5. Ignition/starter switch -D-, terminal SU
6. Ignition/starter switch -D-, terminal P
B. Connector, 5-point
1. Windshield wiper/washer switch -E22-, terminal 53b
2. Windshield wiper/washer switch -E22-, terminal 53a
3. Windshield wiper/washer switch -E22-, terminal 53
4. Windshield wiper/washer switch -E22-, terminal 53e
5. Windshield wiper/washer switch -E22-, terminal J
C. Connector, 5-point
1. Emergency flasher switch -E3-,terminal 49
2. Headlight dimmer/flasher switch -E4-, terminal 56b
3. Headlight dimmer/flasher switch -E4-, terminal 56
4. Headlight dimmer/flasher switch -E4-, terminal 56a
5. Headlight dimmer/flasher switch -E4-, terminal 30 (B+)
D. Connector, 4-point
1. Windshield wiper/washer switch -E22-, terminal L
2. Windshield wiper/washer switch -E22-, terminal T
3. Windshield wiper/washer switch -E22-, terminal 31 (GND)
4. Emergency flasher switch -E3-, terminal 15 (B+ with key on)
E. Connector, 7-point
1. Horn button, terminal 71
2. Emergency flasher switch -E3-, terminal 49a
3. Turn signal switch -E2-, terminal L
4. Parking light switch -E19-, terminal PL
5. Parking light switch -E19-, terminal P
6. Parking light switch -E19-, terminal PR
7. Turn signal switch -E2-, terminal R
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.