Hummer H2. Manual — part 428
SCAN TOOL DATA LIST
Driver Door Module/Passenger Door Module
Does the scan tool display any DTCs?
Go to Step 5
Go to Symptoms - Doors
5
Does the scan tool display any DTCs
which begin with a "U"?
Go to Scan Tool Does Not
Communicate with Class 2
Device in Data Link
Communications
Go to Step 6
6
Does the scan tool display B1000 for
any of the modules?
Go to Diagnostic Trouble
Code (DTC) List in Body
Control System
Go to Diagnostic Trouble
Code (DTC) List
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
Battery 2 (High
Current)
Data
Volts
12.8
Boot S/W Part No.
Module Info.
Decimal
15XXXXXX
Boot S/W Suffix
Module Info.
ASCII
15XXXXXX
Cal. Module 1 Part No.
Module Info.
Decimal
15XXXXXX
Cal. Module 1 Part No.
Module Info.
ASCII
15XXXXXX
Cal. Module 2 Part No.
Module Info.
Decimal
15XXXXXX
Cal. Module 2 Part No.
Module Info.
ASCII
15XXXXXX
Door Ajar Switch
Inputs
On, Off
Off
Door Key Unlock
Inputs
Inactive/Active
Inactive
Door Lock Motor
Outputs
Idle, Lock, Unlock
Idle
Door Lock Switch
Outputs
Idle, Lock, Unlock
Idle
Driver LF Window
Switch
Inputs
Idle, Up, Down, Express Down
Idle
Driver RF Window
Switch
Inputs
Idle, Up, Down, Express Down
Idle
LR Window Switch
Inputs
Idle, Up, Down
Idle
Memory Switch
Inputs
Idle, Both, Memory 1, Memory 2
Idle
Mirror 5 Volt
Reference
Outputs
On, Off
5 Volts
Mirror Fold Motor
Current
Data
mA
0
Mirror Folding
Operation
Outputs
Idle, Extend, Retract
Idle
Mirror Heater
Outputs
Inactive, Active
Inactive
2004 Hummer H2
2004 ACCESSORIES & EQUIPMENT Doors - Hummer H2
Body Control Module
SCAN TOOL DATA DEFINITIONS
The Passenger Door Module (PDM) scan tool data definitions are a brief description of each of the related
parameters displayed within the scan tool data display(s) for the PDM.
Mirror Horizontal
Position
Data
Volts
Varies
Mirror Motor
Outputs
Idle, Left, Right, Up, Down
Idle
Mirror Select Switch
Inputs
Neutral/Fold, Left, Right
Neutral
Mirror Switch
Inputs
Off, Up, Down, Left. Right, Extend,
Retract
Off
Mirror Vertical Position
Data
Volts
Varies
Operational S/W Part
No.
Module
Information
Decimal
15XXXXXX
Operational S/W Suffix
Module
Information
ASCII
XX
Psgr RF Window
Switch
Inputs
Idle/Up/Down/Express Down
Idle
Right Rear Window
Status
Inputs
Idle, Up, Down
Idle
Window Lockout
Switch
Inputs
Inactive/Active
Inactive
Window Lockout LED
Outputs
On, Off
Off
Window Motor Current
Data
mA
0
Window Motor Output
Outputs
Idle, Up, Down
Idle
Scan Tool Parameter
Data List
Units Displayed
Typical Data Value
Ignition ON/Engine OFF/Vehicle in PARK/All doors closed
Battery Voltage
Data
Volts
Varies
Door Lock Switch
Inputs
Inactive/Active
Inactive
Door Unlock Switch
Inputs
Inactive/Active
Inactive
Key in Ignition
Inputs
Yes/No
Yes
Left Rear Door Ajar Sw.
Inputs
On/Off
Off
Right Rear Door Ajar Sw.
Inputs
On/Off
Off
Rear Door Lock Relay
Outputs
On/Off
Off
Rear Door Unlock
Outputs
On/Off
Off
Right Rear Window Up Relay
Outputs
Inactive/Active
Inactive
Right Rear Window Down Relay
Outputs
Inactive/Active
Inactive
Left Rear Window Up Relay
Outputs
Inactive/Active
Inactive
Left Rear Window Down Relay
Outputs
Inactive/Active
Inactive
2004 Hummer H2
2004 ACCESSORIES & EQUIPMENT Doors - Hummer H2
Back Only Heat Indicator
This data parameter appears in two separate data-lists Inputs and Outputs. While monitoring the inputs
for the PDM this parameter reflects the requested state for the back only indicator. When monitoring the
outputs the parameter reflects the commanded state for the back only indicator.
Back Only Heat Mode
This data parameter reflects the operating state of the heated seat back only mode of operation. This mode
of operation is only available if the heated seat is active or on.
Backlighting Dimming Enabled
This data parameter indicates the status feature. Backlighting is the lighting from behind any text or
characters on the PDM switches or faceplate.
Base Software P/N
This is the part number stored within the PDM of the base software set required to activate the PDM. This
software set is often referred to as boot software.
Base Software Suffix
This suffix number is the stored indication of the revision level of the base software.
Battery 1 (Low Current)
The battery 1 (low current) parameter provides the voltage level on the battery 1 input. Battery 1 is the
low current input provides the power for the PDM's microprocessors and the low current outputs.
Battery 2 (High Current)
The battery 2 (high current) parameter provides the voltage level on the battery 2 input. Battery 2 is the
high current input provides the power for the PDM's high current outputs such as the power windows.
Calibration P/N
This is the part number stored within the PDM of the calibration set. The calibration software sets the
operational ranges and option levels for each of the PDM's functions. This software set is often referred to
as calibration software or calibration.
Calibration Suffix
This suffix number is the stored indication of the revision level of the calibration. This is often referred to
as the CAL ID.
2004 Hummer H2
2004 ACCESSORIES & EQUIPMENT Doors - Hummer H2
Dimming Enable
The dimming enable reflects the state of the dimming for the various indicators located on the PDM.
Dimming Potentiometer
The dimming potentiometer data parameter reflects the level of lighting, in percent for both the
backlighting and indicators for the PDM.
Door Ajar Switch
This parameter reflects the current status of the door ajar switch input to the PDM.
Door Lock Motor
This parameter indicates the current status of the door lock motor.
Door Lock Switch
This parameter indicates the current status of the door lock switch.
Heat Indicator High
This data parameter appears in two separate data-lists inputs and outputs. While monitoring the inputs for
the PDM this parameter reflects the requested state for the heat indicator low. When monitoring the
outputs the parameter reflects the commanded state for the heat indicator low.
Heat Indicator Low
This data parameter appears in two separate data-lists inputs and outputs. While monitoring the inputs for
the PDM this parameter reflects the requested state for the heat indicator low. When monitoring the
outputs the parameter reflects the commanded state for the heat indicator low.
Heat Indicator Medium
This data parameter appears in two separate data-lists inputs and outputs. While monitoring the inputs for
the PDM this parameter reflects the requested state for the heat indicator medium. When monitoring the
outputs the parameter reflects the commanded state for the heat indicator medium.
Heated Seat Mode
This parameter indicates the status of the heated seat feature.
Right Front Window Status
This parameter indicates the status of the right front window.
2004 Hummer H2
2004 ACCESSORIES & EQUIPMENT Doors - Hummer H2
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