Hummer H2. Manual — part 410
Front Passenger Door Module (FPDM) - Terminal Identification - C1
Front Passenger Door Module (FPDM) - Terminal Identification - C2
4
D-BU
660
Left Front Door Courtesy Lamp Control
5-9
-
-
Not Used
10
GY
1690
Automatic Day/Night Mirror Signal
11
-
-
Not Used
12
PK
1691
Automatic Day/Night Mirror Low Reference
13
D-BU/WH
149
Courtesy Lamp-Left Front Door Supply Voltage
14
OG
4140
Battery Positive Voltage
15
L-GN
262
Driver Door Key Switch Signal
16-17
-
-
Not Used
18
GY/BK
745
Left Front Door Ajar Switch Signal
19
-
-
Not Used
20
TN
294
Door Lock Actuator Unlock Control
21
GY
295
Door Lock Actuator Lock Control
22
BN
1046
DDM Class 2 Serial Data
23-26
-
-
Not Used
Connector Part Information
z
15393410
z
4-Way F 2.8mm Sealed AMP (NA)
Pin
Wire Color
Circuit No.
Function
1
BN
667
Power Window Motor Right Front Down Control
2
OG
1340
Battery Positive Voltage
3
BK
1050
Ground
4
D-BU
666
Power Window Motor Right Front Up Control
2004 Hummer H2
2004 ACCESSORIES & EQUIPMENT Keyless Entry - Hummer H2
DIAGNOSTIC INFORMATION AND PROCEDURES
DIAGNOSTIC STARTING POINT - KEYLESS ENTRY
Begin the system diagnosis with Diagnostic System Check - Remote Keyless Entry . The Diagnostic System
Check will provide the following information:
Connector Part Information
z
15398841
z
26-Way F AMP Lever Assist (BK)
Pin
Wire Color
Circuit No.
Function
1-4
-
-
Not Used
5
BK/WH
746
Right Front Door Ajar Switch Signal
6-7
-
-
Not Used
8
WH
156
Courtesy Lamp-Right Front Door Supply Voltage
9
-
-
Not Used
10
GY
295
Door Lock Actuator Lock Control
11
TN
294
Door Lock Actuator Unlock Control
12-13
-
-
Not Used
14
OG
4240
Battery Positive Voltage
15-18
-
-
Not Used
19
L-BU
661
Right Front Door Courtesy Lamp Control
20
D-GN
1178
Right Front Door Switch Low Reference
21
-
-
Not Used
22
TN
1047
PDM Class 2 Serial Data
23
-
-
Not Used
24
L-GN
265
Passenger Door Key Switch Signal
25-26
-
-
Not Used
2004 Hummer H2
2004 ACCESSORIES & EQUIPMENT Keyless Entry - Hummer H2
z
The identification of the control module(s) which command the system
z
The ability of the control module(s) to communicate through the serial data circuit
z
The identification of any stored diagnostic trouble codes (DTCs) and their status
The use of the Diagnostic System Check will identify the correct procedure for diagnosing the system and
where the procedure is located.
DIAGNOSTIC SYSTEM CHECK - REMOTE KEYLESS ENTRY
Test Description
The numbers below refer to the step numbers on the diagnostic table.
2: Lack of communication may be due to a partial malfunction of the class 2 serial data circuit or due to a
total malfunction of the class 2 serial data circuit. The specified procedure will determine the particular
condition.
5: The presence of DTCs which begin with "U" indicate some other module is not communicating. The
specified procedure will compile all the available information before tests are performed. Any other body
control module DTCs displayed by the scan tool do not apply to Remote Keyless Entry and should be
diagnosed in the applicable section.
Diagnostic System Check - Remote Keyless Entry
Step
Action
Yes
No
1
Install a scan tool.
Does the scan tool power up?
Go to Step 2
Go to Scan Tool Does Not
Power Up in Data Link
Communications
2
1. Turn ON the ignition, with the
engine OFF.
2. Attempt to establish
communication with the
following control modules.
z
body control module
z
passenger door module
Does the scan tool communicate with
all of the listed control modules?
Go to Step 3
Go to Scan Tool Does Not
Communicate with Class 2
Device in Data Link
Communications
1. Access the Class 2 Power Mode
in the Diagnostic Circuit Check
IMPORTANT:
The engine may start during the
following step. Turn OFF the engine
as soon as you have observed the
Crank power mode.
2004 Hummer H2
2004 ACCESSORIES & EQUIPMENT Keyless Entry - Hummer H2
SCAN TOOL OUTPUT CONTROLS
Scan Tool Output Controls
SCAN TOOL DATA LIST
Scan Tool Data List
3
on the scan tool.
2. Rotate the ignition switch
through all positions while
observing the ignition switch
power mode parameter.
Does the ignition switch parameter
reading match the ignition switch
position for all switch positions?
Go to Step 4
Go to Power Mode
Mismatch in Body Control
System
4
Select the display DTCs function on
the scan tool.
z
body control module
z
passenger door module
Does the scan tool display any DTCs?
Go to Step 5
Go to Symptoms - Keyless
Entry
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 Diagnostic Trouble
Code (DTC) List in Body
Control System
Scan Tool
Output
Control
Additional
Menu Selections
Description
Special
Functions
Program All Key
Fobs
The Passenger door module will erase all previously programmed key
fobs and then program the first fob as Fob 1, the next fob as Fob 2,
and any additional fobs as Fob 3 and Fob 4.
Special
Functions
Program
Individual Key
Fob
The Passenger door module will program a key fob to any one of 4
possible positions: Key Fob 1-4.
Scan Tool Parameter
Data List
Units Displayed
Typical Data Value
Operating Conditions: Ignition ON, Engine OFF
Fob 1 Battery
Passenger Door Module Data
OK, Low
OK
Fob 2 Battery
Passenger Door Module Data
OK, Low
OK
Fob 3 Battery
Passenger Door Module Data
OK, Low
OK
Fob 4 Battery
Passenger Door Module Data
OK, Low
OK
2004 Hummer H2
2004 ACCESSORIES & EQUIPMENT Keyless Entry - Hummer H2
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