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.
2003 Chrysler PT Cruiser L4-2.4L VIN BFACTORY OEM SERVICE PROCEDURE
Ignition Switch: Service and Repair
IGNITION SWITCH
REMOVAL
The ignition switch attaches to the lock cylinder housing on the end opposite the lock cylinder (Fig. 19). For ignition switch terminal and circuit identification, refer to the Wiring Diagrams sections.
1. Remove the air cleaner lid, disconnect the inlet air temperature sensor and makeup air hose.
2. Disconnect negative cable from battery.
3. Place key cylinder in RUN position. Through the hole in the lower shroud, depress lock cylinder retaining tab and remove key cylinder (Fig. 20).
4. Remove upper and lower shrouds from steering column.
5. Disconnect electrical connectors from ignition switch (Fig. 21).
6. Remove the 2 screws on the top of the multifunction switch and relocate (Fig. 22).
7. Remove ignition switch mounting screw (Fig. 23) with a # 10 Torx bit.
8. Pull ignition switch from steering column (Fig. 24).
INSTALLATION
1. Ensure the ignition switch is in the RUN position and the actuator shaft in the lock housing is in the RUN position.
2. Carefully install the ignition switch. The switch will snap over the retaining tabs (Fig. 25). Install mounting screw (Fig. 23).
3. Install electrical connectors to ignition switch.
4. Install the multi-function switch and tighten the 2 screws (Fig. 22).
5. Install upper and lower shrouds.
6. Install key cylinder (cylinder retaining tab will depress only in the RUN position).
7. Connect negative cable to battery.
8. Install the air cleaner lid, connect the inlet air temperature sensor and makeup air hose.
9. Check for proper operation of ignition switch and key-in warning switch.
REMOVAL
The ignition switch attaches to the lock cylinder housing on the end opposite the lock cylinder (Fig. 19). For ignition switch terminal and circuit identification, refer to the Wiring Diagrams sections.
1. Remove the air cleaner lid, disconnect the inlet air temperature sensor and makeup air hose.
2. Disconnect negative cable from battery.
3. Place key cylinder in RUN position. Through the hole in the lower shroud, depress lock cylinder retaining tab and remove key cylinder (Fig. 20).
4. Remove upper and lower shrouds from steering column.
5. Disconnect electrical connectors from ignition switch (Fig. 21).
6. Remove the 2 screws on the top of the multifunction switch and relocate (Fig. 22).
7. Remove ignition switch mounting screw (Fig. 23) with a # 10 Torx bit.
8. Pull ignition switch from steering column (Fig. 24).
INSTALLATION
1. Ensure the ignition switch is in the RUN position and the actuator shaft in the lock housing is in the RUN position.
2. Carefully install the ignition switch. The switch will snap over the retaining tabs (Fig. 25). Install mounting screw (Fig. 23).
3. Install electrical connectors to ignition switch.
4. Install the multi-function switch and tighten the 2 screws (Fig. 22).
5. Install upper and lower shrouds.
6. Install key cylinder (cylinder retaining tab will depress only in the RUN position).
7. Connect negative cable to battery.
8. Install the air cleaner lid, connect the inlet air temperature sensor and makeup air hose.
9. Check for proper operation of ignition switch and key-in warning switch.
Factory Service Tools
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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.
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