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Terminals and Reference Value for Steering Lock Unit/With Intelligent Key System

WARNING: This page is about a different car, the 2006 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
STEERING LOCK UNIT/WITH INTELLIGENT KEY SYSTEM TERMINALS AND REFERENCE VALUE

Terminal No. Wire color Signal Designation Measuring condition Voltage (V) (Approx.)
Ignition knob position Operation or conditions
1 Y Power source (Fuse) - - Battery voltage
2 L/Y Steering lock unit power supply LOCK - 5
3 L/OR Steering lock unit communication signal LOCK Press ignition knob with Intelligent Key inside vehicle.
G04182161Courtesy of NISSAN MOTOR CO., U.S.A.
Other than the above 5
4 G/R Steering lock unit ground - - 0