Power Lock System Test

As a preliminary diagnosis for the power lock system used on vehicles with a base version of the Central Timer Module (CTM), note the system operation while you actuate both the Lock and Unlock functions with the power lock switches. Then, proceed as follows.
- If the entire power lock system fails to function with both of the power lock switches, check the fuses in the junction block.
- If the entire power lock system fails to function with only one of the power lock switches, see Power Lock Switch in the Diagnosis and Testing.
- If one power lock motor fails to operate with both of the power lock switches, see Power Lock Motor in the Diagnosis and
Testing.

For addtional testing please refer to Powertrain Management/Computers and Controls/Body Control Module/Testing and Inspection/ Testing and Inspection