LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2003 >> MDX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 58 (Multiplex Integrated Control System) >> System Description >> Network "Loss of Communication" Error Checking Function >> Key Interlock
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Key Interlock

WARNING: This page is about a different car, the 2009 Acura MDX, 2008 Acura MDX, and 2007 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

The MICU controls the key interlock solenoid based upon the ignition switch (ACC), the transmission range switch, and the park-pin switch signals.

KEY INTERLOCK INPUT AND OUTPUT REFERENCE

  Input Output
MICU Ignition switch (ACC)
Transmission range switch (P)
Park-pin switch
Key interlock solenoid