For 1990-2009 cars

#### Passenger Presence System Scan Tool Data Parameters

Parameter | Expected Value | Definition
--- | --- | ---
Operating Conditions: Ignition ON
Battery Voltage | Varies | This displays volts. This is the voltage input supplied to the passenger presence system.
Passenger Classification | Empty | The scan tool displays Unknown, Calibrating, Empty Seat, Small 1, Small 2, Large or Preload. This is the state of the passenger seat, as monitored by the passenger presence system.
Passenger Status | No Info | The scan tool displays No Info., Valid, Invalid Class., Invalid Pos., Invalid Data or Inval. Class & Pos.
Power Mode | Run | The scan tool displays Off, Accessory, Run or Crank Request. This is the state of the ignition switch.
PPS Enable Status | Enabled | The scan tool displays Disabled or Enabled. This is the status of the PPS Enable.
PPS Fault Status | No Fault | The scan tool displays No Fault, Plant Mode, Fault, Mismatch or Barrier. This is the status of the PPS Fault monitor.
PPS Primary Key | Varies | The scan tool displays the PPS primary key.
Primary Key Status | Valid | The scan tool displays Unknown, Valid or Invalid. This is the state of the primary key.
Received Primary Key | Varies | The scan tool displays the primary key received.
SDM Enable Status | Enabled | The scan tool displays Enabled or Disabled. This is the state of the SDM.