Antitheft and Alarm Systems: Testing and Inspection

Inspection

Front Door Lock Module Inspection
1. Remove the front door trim.

2. Remove the front door module.

3. Disconnect the connectors from the actuator.




4. Check actuator operation by connecting power and ground according to the table. To prevent damage to the actuator, apply battery voltage only momentarily.








5. Check for continuity between the terminals in each switch position according to the table.





Rear Door Lock Module Inspection
1. Remove the rear door trim.

2. Remove the rear door module.

3. Disconnect the connectors from the actuator.




4. Check actuator operation by connecting power and ground according to the table. To prevent damage to the actuator, apply battery voltage only momentarily.








5. Check for continuity between the terminals in each switch position according to the table.





Tailgate Lock Module Inspection
1. Remove the tailgate trim.

2. Disconnect the 4P connector from the actuator.




3. Check actuator operation by connecting power and ground according to the table. To prevent damage to the actuator, apply battery voltage only momentarily.





Tailgate Open Switch
1. Remove the tailgate trim.

2. Disconnect the 4P connector from the actuator.




3. Check for continuity between the terminals in each switch position according to the table.





Hood Switch
1. Disconnect the connector (A) and bolts from the hood switch.




2. Check for continuity between the terminals and ground according to the table.





Burglar Horn
1. Remove the burglar horn after removing a bolt and disconnect the 2P connector from the burglar horn.




2. Test the burglar horn by connecting battery power to the terminal 1 and ground the terminal 2.
3. The burglar horn should sound. If the burglar horn fails to sound replace it.