LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> BMW >> 1997 >> 318is Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Shift Interlock Systems >> Operation >> Shift Lock System
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Shift Lock System

With ignition on and brake pedal depressed, an input signal is sent from brakelight switch to TCM. With shift lever in Park, an input signal from transmission range switch is sent to TCM, indicating shift lever is in Park. TCM operates shift lock solenoid allowing shift lever to be moved from Park.