Pattern 1

Terminal:
- Hood latch switch signal: 1B (+) <==> body ground (-)
- A/C on request signal: 3L (+) <==> body ground (-)
- Lock/unlock input (rear door lock-link switch (LH)): 5D (+) <==> body ground (-)
- Lock/unlock input (rear door lock-link switch (RH)): 5E (+) <==> body ground (-)
- Lock input (Driver-side door lock-link switch): 5G (+) <==> body ground (-)
- Lock/unlock input (passenger-side door lock-link switch): 5H (+) <==> body ground (-)
- Unlock input (Driver-side door lock-link switch): 5J (+) <==> body ground (-)
  
  Fig 1: Identifying Signal Pattern 1 Waveform
  Courtesy of MAZDA MOTORS CORP.
Oscilloscope setting: 2 V/DIV (Y), 1 ms/DIV (X), DC range