Hummer H2. Manual - part 361

SCAN TOOL DATA LIST 

The scan tool data lists contain all the instrument panel, gauges, and console related parameters that are 
available on the scan tool. The parameters in the list are arranged in alphabetical order. The data list column 
indicates the location of the parameter within the scan tool menu selections. 

Use the scan tool data lists as directed by a diagnostic table or in order to supplement the diagnostic procedures. 
Begin all of the diagnostic procedures withDiagnostic System Check - Instrument Cluster ,Diagnostic 
System Check - Driver Information Systems or Diagnostic System Check - Audible Warnings . 

Use the scan tool data lists only after the following is determined: 

z

There is no published DTC procedure nor published symptom procedure for the customer concern. 

IPC Gauges

-

you select On. The IPC drives all gauges to the minimum physical 
position when you select Off.

Lamp Test

-

The IPC illuminates the following indicators when you select On: 

z

ABS  

z

Air Bag  

z

Battery  

z

Brake  

z

Cargo Lamp On  

z

CRUISE  

z

Fasten safety belt  

z

Four Wheel Drive  

z

High beam  

z

Low Fuel  

z

Overdrive Disable  

z

SECURITY  

z

SERVICE ENGINE SOON  

z

Tire Pressure Low  

z

Tow/Haul  

z

Traction Off  

z

Upshift  

z

Wait to Start  

 
The indicators should illuminate until commanded Off.

PRNDL 
Display

-

An underscore illuminates under each indicator in the PRNDL 
display until commanded Off.

Segments Test

-

All DIC and Odometer segments illuminate until commanded Off.

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Instrument Panel, Gauges, and Console - Hummer H2

  

z

The DTC or symptom procedure indicated by the Diagnostic System Check does not resolve the customer 
concern.  

The typical data values are obtained from a properly operating vehicle under the conditions specified in the first 
row of the scan tool data list table. Comparison of the parameter values from the suspect vehicle with the typical 
data values may reveal the source of the customer concern. 

Body Control Module (BCM) 

Instrument Panel Cluster (IPC) 

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/High Beams Off/Doors Closed/Trunk 

Closed/Park Brake Unapplied/Seatbelt Buckled

Battery Voltage

Data

Active/Inactive

Inactive

Cargo Door Ajar Switch

Inputs

Open/Closed

Closed

Cargo Lamp Switch

Inputs

On/Off

Off

Courtesy Lamp Switch

Inputs

Active/Inactive

Inactive

Driver Door Ajar Switch w/o DDM

Inputs

On/Off

Off

Hazard Switch Signal

Outputs

On/Off

Off

Headlamp Switch

Inputs

Active/Inactive

Inactive

Headlamps On Indicator

Outputs

On/Off

Off

High Beam Relay

Outputs

On/Off

Off

High Beam Switch

Inputs

On/Off

Off

Hood Ajar Switch

Inputs

Active/Inactive

Inactive

Key In Ignition

Inputs

Yes/No

Yes

Left Rear Cargo Door Ajar Switch

Inputs

On/Off

Off

Low Beam Output

Outputs

On/Off

Off

Park Brake Switch

Inputs

Set/Released

Released

Park Lamp Relay

Outputs

On/Off

Off

Parklamp Switch

Inputs

Active/Inactive

Inactive

Passenger Door Ajar Switch w/o PDM

Inputs

On/Off

Off

RAP Relay

Outputs

On/Off

On

Right Rear Door Ajar Switch

Inputs

On/Off

Off

Scan Tool 

Parameter

Data List

Units Displayed

Typical Data 

Value

Operating Conditions: Ignition ON/Engine OFF/Seat Belt Buckled/High Beams OFF/Park Brake 

Unapplied/Park Lamps ON

8- Digit GM Part 
Number

Module 

Information 1

Numeric

Varies

ABS Lamp

Input/Output

On/Off

Off

Air Bag Lamp

Input/Output

On/Off

Off

Battery

Input/Output

On/Off

On

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Instrument Panel, Gauges, and Console - Hummer H2

  

Battery Voltage

Data 1

Volts

9.0-16 Volts 

(Varies)

Brake Assist (if 
equipped)

Input/Output 

Data 1

Active/Inactive

Inactive

Brake Lamp

Input/Output

On/Off

Off

Cargo Lamp On

Input/Output

On/Off

Off

Cruise Control

Input/Output

On/Off

Off

DIC Fuel Info

Input/Output

On/Off

Off

DIC Personalization

Input/Output

On/Off

Off

DIC Select

Input/Output

On/Off

Off

DIC Trip Info.

Input/Output

On/Off

Off

Display Dimming

Input/Output

Active/Inactive

Inactive

Display Units

Input/Output

Metric/English

English

Displayed Coolant 
Temp

Data 1

Celsius (Fahrenheit)

32-127°C (89- 

260°F) (Varies)

Displayed Fuel 
Level

Data 1

Percent

0-100% (Varies)

Displayed 
Odometer

Data 2

Kilometers (Miles)

Varies with the 

mileage of vehicle

Displayed Oil 
Pressure

Data 1

kPa (PSI)

0 kPa (0 PSI)

Displayed Trans Oil 
Temp

Data 1

Celsius (Fahrenheit)

29-157°C (84-315°

F) (Varies)

Engine Speed

Data 1

RPM

0 RPM

Fasten Seat Belt

Input/Output

On/Off

Off

High Beam Lamp

Inputs

On/Off

Off

Hour Meter

Data 1

Hours

Varies

Ignition 1

Data 1

Volts

9.0-16 Volts 

(Varies)

Ign. Since Current 
DTC

Data 1

Cycles

0-255

Julian Date of Build

Module 

Information 1

Numeric

Varies

Language

Input/Output

English/French/Spanish/German/Arabic

English

Left Turn Input

Input/Output

Open/Closed

Open

Low Fuel Lamp

Input/Output

On/Off

Off

Low Washer Fluid

Input/Output

On/Off

Off

Monitored Coolant 
Temp

Data 1

Celsius (Fahrenheit)

82-93°C (180-200°

F)

Monitored Fuel 
Level

Data 1

Percent

0-100% (Varies)

Monitored Oil 

Data 1

kPa (PSI)

0 kPa (0 PSI)

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Instrument Panel, Gauges, and Console - Hummer H2

  

Driver Door Module (DDM)/Passenger Door Module (PDM) 

Powertrain Control Module (PCM) 

Pressure
Over Drive Defeat

Input/Output

Active/Inactive

Inactive

PRNDL State

Inputs

Park / Reverse / Neutral / First / Second / 

Third / Drive

Park

Right Turn Input

Input/Output

Open/Closed

Open

Security Lamp

Input/Output

On/Off

Off

Service 4WD

Input/Output

On/Off

Off

Software Part 
Number

Module 

Information 2

Numeric

Varies

Software Revision 
Number

Module 

Information 2

Numeric

Varies

Tow/Haul

Input/Output

On/Off

Off

Trip Odometer A

Data 2

Miles (Kilometers)

Varies

Trip Odometer B

Data 2

Miles (Kilometers)

Varies

Trip Reset Switch

Inputs

Active/Inactive

Inactive

Upshift Lamp

Input/Output

On/Off

Off

Vehicle Speed

Data 1

Miles (Kilometers)

0 km/h (0 mph)

Year Model Built

Module 

Information 1

Numeric

Varies

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine OFF/Vehicle in PARK/All doors closed

Battery 1 (Low Current)

Data

Volts

12.8 Volts

Battery 2 (High Current)

Data

Volts

12.8 Volts

Door Ajar Switch

Inputs

On/Off

Off

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Engine Idling/Normal Operating Temperature

ECT Sensor

Engine Data 1
Engine Data 2

Enhanced EVAP 

Data 

Fuel Trim Data

HO2S Data 

Misfire Data

Celsius (Fahrenheit)

85-105°C (185-220°F) 

(Varies)

Coolant Level Switch

Engine Data 2

OK/Low

OK

Engine Oil Level Switch

Engine Data 2

OK/Low

OK

Engine Oil Life Remaining

Engine Data 2

Percent

0-100% 

(Varies)

Engine Oil Pressure Sensor

Engine Data 2

Volts

0-5 Volts (Varies)

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Instrument Panel, Gauges, and Console - Hummer H2