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Home >> Infiniti >> 2012 >> QX56 AWD >> 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

Physical Values

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