Circuit Operation - Ignition Lock Solenoid

CIRCUIT OPERATION
Battery voltage is applied to the Shift Lock Control Module through the CIG-RADIO Fuse, the Audio Alarm Module and Junction Block 3 when the ignition switch is in the "ACC" and "ON" positions. The Shift Lock Control Module is permanently grounded at G200 through Junction Block 3 and Junction Connectors 1 and 3. With power, ground and an R,N,D,2,L Signal from the Shift Lock Control Switch, the Shift Lock Control Module will apply voltage and energize the Ignition Keylock Solenoid, thus locking the ignition key into the lock cylinder and preventing the ignition switch from being turned to the "LOCK" position.

This prevents the ignition key from being removed from the lock cylinder until the manual selector lever is in "P." The R,N,D,2,L Signal is received whenever the manual selector lever button is depressed or when the lever is in a position other than "P." The Ignition Keylock Solenoid, which is grounded at G204 through Junction Block 2, remains energized until the manual selector lever is returned to "P" with the manual selector button released. When the lever is returned to the "P" position with the button released, the solenoid de-energizes, thus allowing for the ignition key to be turned to "LOCK" and for its removal from the ignition lock cylinder.