GM Service Manual Online
For 1990-2009 cars only

Instrument Panel Cluster (IPC) Scan Tool Data List

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine OFF

ABS Lamp

Input for Analog Dash

On/Off

Off

Calibration ID

Module Information 1

 

Varies

Catalyst Converter TT.

Input for Analog Dash

On/Off

Off

Controlled Power

Data

Volts

Varies

Daily Serial Number

Module Information 2

 

Varies

Dis. English/Metric Sw.

Input for Analog Dash

On/Off

Off

Dis. Information Reset Sw.

Input for Analog Dash

On/Off

Off

Display Information Sw.

Input for Analog Dash

On/Off

Off

Display Timer Switch

Input for Analog Dash

On/Off

Off

Display Trip Reset Sw.

Input for Analog Dash

On/Off

Off

Engine Speed

Data

RPM

0 RPM

Fast Idle Input

Input for Analog Dash

On/Off

Off

Front Fog Lamp Switch

Input for Analog Dash

On/Off

Off

Fuel Door Release Sw.

Input for Analog Dash

On/Off

Off

Head Lamp Switch

Input for Analog Dash

On/Off

Off

Highbeam Switch

Input for Analog Dash

On/Off

Off

Ignition 1

Input for Analog Dash

On/Off

On

Ignition Counter

Data

Counts

Varies

Ignition Off Position

Input for Analog Dash

On/Off

Off

Incandescent Dim Pot

Data

Counts

Varies

Interior Lamp Switch

Input for Analog Dash

On/Off

Off

Julian Date of Build

Module Information 2

 

Varies

Key In Ignition

Input for Analog Dash

Yes/No

No

Last 4 Digits of Part No.

Module Information 1

 

Varies

Low Brake Fluid Level

Data

Volts

5

Low Brake Fluid Level

Input for Analog Dash

On/Off

Off

Low Coolant Level

Input for Analog Dash

On/Off

Off

Lt. Turn Signal Indicator

Input for Analog Dash

On/Off

Off

Oil Pressure Lamp

Input for Analog Dash

On/Off

Off

Park Lamp Switch

Input for Analog Dash

On/Off

Off

PROM ID

Module Information 1

 

Varies

Rear Fog Lamp Switch

Input for Analog Dash

On/Off

Off

Rt. Turn Signal Indicator

Input for Analog Dash

On/Off

Off

Steering Wheel Controls

Data

 

Idle

Steering Wheel Controls

Data

Counts

0

Trunk Release Switch

Input for Analog Dash

On/Off

Off

Twilight Delay

Data

Counts

Varies

Twilight Photo

Data

Counts

Varies

Twilight Switch

Input for Analog Dash

On/Off

Off

Vehicle Speed

Data

kilometers per hour

miles per hour

0 km/h (0 mph)

Washer Fluid Level

Input for Analog Dash

On/Off

Off

Wiper Activation Switch

Input for Analog Dash

On/Off

Off

Year Model Built

Module Information 2

Year

Varies

Powertrain Control Module (PCM) Scan Tool Data List

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Engine Idling/Normal Operating Temperature

ECT Sensor

All

°C (°F)

Varies

Engine Oil Level Switch

Engine Data 2

Engine Data 3

OK/Low

OK

Engine Oil Pressure Switch

Engine Data 3

OK/Low

OK

Engine Speed

All

RPM

+/- 100 RPM from Desired Idle Speed

Fuel Level

EVAP

Liters (Gallons)

Varies

Odometer

Engine Data 3

kilometers (miles)

Varies

Vehicle Speed Sensor

All

kilometers per hour

miles per hour

0 km/h (0 mph)