Hummer H2. Manual - part 643

display an active state?

Go to Step 11

Go to Step 4

4

1. Monitor the driver window status data 

parameter in the driver door module inputs 
list.  

2. Activate the driver power window switch in 

the up and down positions.  

Does the driver window status data parameter 
change accordingly?

Go to Step 5

Go to Step 11

5

1. Connect a test lamp to a good ground.  

2. Backprobe the battery positive voltage 

circuit at connector C1 cavity 2.  

Does the test lamp illuminate?

Go to Step 6

Go to Step 13

6

1. Disconnect the driver power window motor. 

2. Connect a test lamp to a good ground.  

3. Probe the power window motor up control 

circuit at the power window motor harness 
connector.  

4. Activate the power window switch to the 

UP position.  

Does the test illuminate?

Go to Step 7

Go to Step 9

7

1. With the test lamp still connected to a good 

ground, probe the power window motor 
down control circuit.  

2. Activate the power window switch to the 

DOWN position.  

Does the test lamp illuminate?

Go to Step 8

Go to Step 10

8

1. Connect a test lamp between the power 

window motor up and down control circuits. 

2. Activate the power window switch to the 

UP and DOWN positions.  

Does the test lamp illuminate in both positions?

Go to Step 12

Go to Step 11

9

Test for an open or short to ground in the power 
window motor up control circuit. Refer to Circuit 
Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?

Go to Step 16

Go to Step 11

Test for an open or short to ground in the power 
window motor down control circuit. Refer to 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Doors - Hummer H2

  

POWER WINDOW INOPERATIVE - PASSENGER DOOR (FRONT DOOR) 

Power Window Inoperative - Passenger Door (Front Door) 

10

Circuit Testing and Wiring Repairs in Wiring 
Systems. 
Did you find and correct the condition?

Go to Step 16

Go to Step 11

11

Inspect for poor connections at the driver door 
module. Refer to Testing for Intermittent 
Conditions and Poor Connections and 
Connector Repairs in Wiring Systems. 
Did you find and correct the condition?

Go to Step 16

Go to Step 14

12

Inspect for poor connections at the driver power 
window motor. Refer to Testing for Intermittent 
Conditions and Poor Connections and 
Connector Repairs in Wiring Systems. 
Did you find and correct the condition?

Go to Step 16

Go to Step 15

13

Repair the open or short to ground in the battery 
positive voltage circuit. Refer to Wiring Repairs 
in Wiring Systems. 
Did you complete the repair?

Go to Step 16

-

14

Replace the driver door module. Refer to Switch 
Replacement - Door Lock and Side Window - 
Driver .Did you complete the repair?

IMPORTANT:

Perform the set up procedure for the driver 
door module. Refer to Service Programming 
System (SPS) in Programming.

Go to Step 16

-

15

Replace the driver power window motor. Refer to 
Window Regulator Motor Replacement - Front 
Door . 
Did you complete the repair?

Go to Step 16

-

16

Operate the system in order to verify the repair. 
Did you correct the condition?

System OK

Go to Step 3

Step

Action

Yes

No

Schematic Reference: Power Window Schematics 
Connector End View Reference:Power Door Systems Connector End Views

1

Did you perform the Door Systems Diagnostic 
System Check?

Go to Step 2

Go to Diagnostic 

System Check - 

Door Systems

1. Turn ON the ignition, with the engine OFF.  

2. Disable the window lockout function.  

3. Operate the passenger front power window 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Doors - Hummer H2

  

2

in the UP and DOWN directions from the 
passenger switch.  

Does the passenger front power window operate 
properly?

Go to Step 3

Go to Step 4

3

Operate the passenger front power window in the 
UP and DOWN directions from the master switch.
Does the passenger front power window operate 
properly from the master switch?

Go to Testing for 

Intermittent Conditions 

and Poor Connections in 

Wiring Systems

Go to Step 5

4

1. Install a scan tool.  

2. Monitor the window lockout data parameter 

in the driver door module inputs list.  

3. Activate the window lockout switch to both 

the On and OFF positions.  

Does the window lockout data parameter change 
state appropriately?

Go to Step 5

Go to Step 16

5

Monitor the passenger front window status data 
parameter in both the driver and passenger door 
module input lists. 
Do either passenger front window status data 
parameters display an active state without a 
window switch activation?

Go to Step 6

Go to Step 7

6

Is the active switch displayed in the driver door 
module input list?

Go to Step 16

Go to Step 15

7

1. Monitor the passenger front window status 

in the passenger door module inputs list.  

2. Activate the passenger power switch on the 

passenger door module in the up and down 
positions.  

Does the window status data parameter change 
accordingly?

Go to Step 8

Go to Step 15

8

1. Monitor the passenger front window status 

in the driver door module inputs list.  

2. Activate the passenger front power window 

switch on the driver door module in the up 
and down positions.  

Does the window status data parameter change 
accordingly?

Go to Step 9

Go to Step 16

1. Connect a test lamp to a good ground.  

2. Backprobe the battery positive voltage 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Doors - Hummer H2

  

9

circuit in connector C1 cavity D at the 
passenger door module.  

Does the test lamp illuminate?

Go to Step 10

Go to Step 18

10

1. Disconnect the passenger front power 

window motor.  

2. Connect a test lamp to a good ground.  

3. Probe the power window motor up control 

circuit at the power window motor harness 
connector.  

4. Activate the power window switch to the UP 

position.  

Does the test illuminate?

Go to Step 11

Go to Step 13

11

1. With the test lamp still connected to a good 

ground, probe the power window motor 
down control circuit.  

2. Activate the power window switch to the 

DOWN position.  

Does the test lamp illuminate?

Go to Step 12

Go to Step 14

12

1. Connect a test lamp between the power 

window motor up and down control circuits. 

2. Activate the power window switch to the UP 

and DOWN positions.  

Does the test lamp illuminate in both positions?

Go to Step 17

Go to Step 15

13

Test for an open or short to ground in the power 
window motor up control circuit. Refer to Circuit 
Testing and Wiring Repairs in Wiring Systems. 
Did you find and correct the condition?

Go to Step 22

Go to Step 15

14

Test for an open or short to ground in the power 
window motor down control circuit. Refer to 
Circuit Testing and Wiring Repairs in Wiring 
Systems. 
Did you find and correct the condition?

Go to Step 22

Go to Step 15

15

Inspect for poor connections at the passenger door 
module. Refer to Testing for Intermittent 
Conditions and Poor Connections and 
Connector Repairs in Wiring Systems. 
Did you find and correct the condition?

Go to Step 22

Go to Step 19

16

Inspect for poor connections at the driver door 
module. Refer to Testing for Intermittent 
Conditions and Poor Connections and 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Doors - Hummer H2