GM Service Manual Online
For 1990-2009 cars only
Table 1: Pedestrian Impact Detection Module Scan Tool Data Parameters
Table 2: Pedestrian Impact Detection Module Scan Tool Output Controls

Pedestrian Impact Detection Module Scan Tool Data Parameters

Parameter

System State

Expected Value

Description

Operating Conditions: Engine ON

Battery Voltage Signal

--

Varies

This displays volts. This is the current battery voltage signal.

Discriminating Sensor

--

Varies

The scan tool displays Equipped or Not Equipped. Equipped is displayed if the vehicle has a discriminating sensor.

Discriminating Sensor

--

Ready

The scan tool displays Ready or Not Ready. This is the state of the discriminating sensor.

Discriminating Sensor Force

--

Varies

This displays Counts. This is the discriminating sensor force measured in counts.

Discriminating Sensor Temp.

--

Varies

This displays °F (°C). This is the current discriminating sensor temperature.

Left Hood Hinge Actuator

--

Varies

The scan tool displays Equipped or Not Equipped. Equipped is displayed if the vehicle is displayed with a left hood hinge actuator.

PID System Deployed Message

--

Not Requested

The scan tool displays Requested or Not Requested. This is the state of the PID system deployed message.

PIDS System Disabled Message

--

Not Requested

The scan tool displays Requested or Not Requested. This is the state of the PID system deployed message.

Power Mode

--

Run

The scan tool displays Off, Accessory, Run or Crank Request. This is the state of the ignition switch.

Right Hood Hinge Actuator

--

Varies

The scan tool displays Equipped or Not Equipped. Equipped is displayed if the vehicle has a right hood hinge actuator.

Safing Sensor

--

Varies

The scan tool displays Equipped or Not Equipped. Equipped is displayed if the vehicle has a safing sensor.

Safing Sensor Accelerometer

--

0 g

This displays g.

Safing Sensor Status

--

Ready

The scan tool displays Ready or Not Ready. This is the current status of the safing sensor.

Service PID System Message

--

Not Requested

The scan tool displays Requested or Not Requested. This is the state of the service PID system message.

Vehicle Speed

--

0 km/h (0 mph)

This displays km/h (mph). This is the current vehicle speed.

Voltage Status

--

Normal

The scan tool displays Normal, Undervoltage or Overvoltage. This is the battery system status.

Pedestrian Impact Detection Module Scan Tool Output Controls

Output Control

Description

Data Recorder

This output control is used to enable or disable the diagnostic data recorder.

Setup New PIDM

This output control is used to setup a new pedestrian impact detection module (PIDM).