Inflatable Restraint Passenger Presence System Scan Tool Information. Chevrolet Silverado - 4WD 2009

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2009 🢒 Silverado - 4WD 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 Inflatable Restraint Passenger Presence System Scan Tool Information

Table 1:	Passenger Presence System Scan Tool Data Parameters
Table 2:	Passenger Presence System Scan Tool Output Controls

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.
Pressure Sensor	Varies	This displays volts.This monitors the pressure.
SDM Enable Status	Enabled	The scan tool displays Enabled or Disabled. This is the state of the SDM.
Seat Belt Tension Sensor	Varies	This displays volts. This monitors the tension of the seat belt.

Passenger Presence System Scan Tool Output Controls

Scan Tool Output Control	Description
Re-Zero Passenger Presence System	The passenger presence system (PPS) is a calibrated system that requires rezeroing anytime the seat cushion trim attachments have been removed or the PPS has been replaced.