GM Service Manual Online
For 1990-2009 cars only
Table 1: Vehicle Direction Alert Alarm Warning Module Scan Tool Data Parameters
Table 2: Vehicle Direction Alert Alarm Warning Module Scan Tool Output Controls

Vehicle Direction Alert Alarm Warning Module Scan Tool Data Parameters

Parameter

System State

Expected Value

Description

Operating Conditions: Ignition ON

Battery Voltage

--

Varies

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

Calibration Status

--

Normal

The scan tool displays OK or Inhibit.

Calibration Status

--

Complete

The scan tool displays Inactive, Complete or In Progress. This is the current calibration status of the module.

Diagnostic Mode

--

Normal

The scan tool displays OK or Inhibit.

Operating State

--

Ready

The scan tool displays Off, Disabled, Not Ready or Ready. This is the current operating state of the module.

Power Mode

--

OK

The scan tool displays OK or Inhibit.

Power Mode

--

Run

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

Reference Voltage 1

--

Varies

This displays Volts. This is the current reference voltage 1.

Reference Voltage 2

--

Varies

This displays Volts. This is the current reference voltage 2.

Serial Data

--

Normal

The scan tool displays OK or Inhibit.

System Operation Status

--

Normal

The scan tool displays Unknown, Normal, Disabled or Failed.

System Power Mode

--

OK

The scan tool displays OK or Inhibit.

Vehicle Direction Alert Alarm Warning Module Scan Tool Output Controls

Output Control

Description

Calibrate Module

This output control is used to calibrate the module.

Direction Warning Left

This output control is used to command the left direction warning.

Direction Warning Right

This output control is used to command the right direction warning.