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Home >> Infiniti >> 2012 >> M37 Base >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Seat Belt Control System >> Ecu Diagnosis Information >> Pre-Crash Seat Belt Control Unit (Driver Side) >> Reference Value >> Physical Values
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Physical Values

Terminal No. (Wire color) Description Condition Value(1) (Approx.)
+ - Signal name Input/Output
1 (V) GND Power supply Input - Battery voltage
2 (G) GND Brake pedal stroke sensor signal 1 Input Brake released → depressed 1V→4V
4 (R) GND CAN-L Input/Output - -
6 (LG) GND Seat belt buckle switch signal Input Seat belt is fastened 0 V
Seat belt is unfastened 5 V
8 (BR) GND Local Communication Line 2 Input/Output IGN ON 5 V
9 (-) GND Shield - - -
10 (R) GND Brake pedal stroke sensor power circuit Output IGN ON 5 V
12 (B) GND Brake pedal stroke sensor signal 2 Input Brake released → depressed 4V→1V
14 (L) GND CAN-H Input/Output - -
16 (Y) GND Local Communication Line 1 Input/Output - -
17 (W) GND Brake pedal stroke sensor ground circuit Input - 0 V
18 (B) GND GND Output - 0 V
19 (Y) GND Motor drive circuit power supply Input - Battery voltage
20 (B) GND Motor drive circuit ground Output - 0 V
(1) Perform the measurement while connecting the control unit and the harness.
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