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
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