PASSLOCK System Operation

The PASSLOCK System is designed to prevent vehicle operation if the mechanical key is not used to start the vehicle. The mechanical key, in normal operation, will turn the PASSLOCK Lock Cylinder. The PASSLOCK Lock Cylinder will relay a Resistance Code (R-Code) to the Instrument Panel Cluster (IPC). The IPC will determine the validity of the R-Code within a preset time window started from an Ignition Switch input and will send a coded password to the Powertrain Control Module (PCM). When the PCM receives the correct code, it will allow the Fuel Injectors to operate normally.