Hummer H2. Manual — part 438

z

Power Door Locks Inoperative (Front Door(s)) or Power Door Locks Inoperative (Rear Door(s))

z

Power Door Locks Inoperative - Endgate/Liftgate

z

Power Mirrors Inoperative

z

Power Mirrors - Folding Inoperative

z

Power Mirrors - Memory Functions Inoperative

z

Mirrors - Outside Automatic Day-Night Feature Inoperative

z

Heated Mirrors Inoperative

POWER WINDOWS INOPERATIVE - EXPRESS DOWN FUNCTION

Power Windows Inoperative - Express Down Function

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

2

Activate the power window switch to the express
down position and release the power window
switch.
Does the power window continue to travel
downward after the power window switch is
released?

Go to Testing for

Intermittent Conditions

and Poor Connections in

Wiring Systems

Go to Step 3

3

1. Install a scan tool.

2. Monitor the appropriate window status data

parameter in the driver door input list.

3. Activate the appropriate power window

switch to the express down position.

Does the window status data parameter change to
Express Down?

Go to Step 4

Go to Step 6

4

Is the express down function inoperative on the
passenger front power window?

Go to Step 5

Go to Step 6

5

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 9

Go to Step 7

6

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 9

Go to Step 8

2004 Hummer H2

2004 ACCESSORIES & EQUIPMENT Doors - Hummer H2

POWER WINDOWS INOPERATIVE - LOCKOUT FUNCTION

Power Windows Inoperative - Lockout Function

7

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

IMPORTANT:

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

Go to Step 9

-

8

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 9

-

9

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

2

1. Disable the window lockout function.

2. Operate the passenger power windows from

the passenger door power window switches.

Do the passenger power windows operate
normally?

Go to

Step 3

Go to Power Window Inoperative -

Passenger Door (Front Door) or

Power Window Inoperative -

Passenger Door (Rear Door(s))

3

1. Enable the window lockout function.

2. Operate the passenger power windows from

the passenger door power window switches.

Do the passenger power windows operate up and
down?

Go to

Step 4

Go to Testing for Intermittent

Conditions and Poor Connections

in Wiring Systems

1. Install a scan tool.

2. Monitor the window lockout data parameter

in the driver door module input list.

2004 Hummer H2

2004 ACCESSORIES & EQUIPMENT Doors - Hummer H2

4

3. Place the window lockout switch in both the

ON and OFF positions.

Does the window lockout data parameter change
accordingly?

Go to

Step 5

Go to Step 10

5

Does the window lockout function for the front
passenger power window operate properly?

Go to

Step 6

Go to Step 9

6

1. Disable the window lockout function.

2. Disconnect the appropriate rear window

switch.

3. Connect a test lamp to a good ground.

4. Probe the rear window lockout signal circuit

at the rear window switch harness connector.

Does the test lamp illuminate?

Go to

Step 7

Go to Step 11

7

Test for a short to battery positive voltage on the
rear window lockout signal 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 8

8

Inspect for poor connections at the body control
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 12

9

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 16

Go to Step 13

10

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

11

Inspect for poor connections at the rear power
window switch. 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

12

IMPORTANT:

Perform the set up procedure for the body
control module. Refer to Body Control Module
(BCM) Programming/RPO Configuration in Body
Control System.

2004 Hummer H2

2004 ACCESSORIES & EQUIPMENT Doors - Hummer H2

POWER WINDOW INOPERATIVE - DRIVER DOOR

Power Window Inoperative - Driver Door

Replace the body control module. Refer to Body
Control Module Replacement in Body Control
System.Did you complete the replacement?

Go to

Step 16

-

13

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

IMPORTANT:

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

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 rear power window switch. Refer to
Power Window Switch Replacement - Rear
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 2

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

2

Operate the driver power window in the UP and
DOWN directions.
Does the driver power window operate properly?

Go to Testing for

Intermittent Conditions

and Poor Connections in

Wiring Systems

Go to Step 3

3

1. Install a scan tool.

2. Monitor the driver window status data

parameter in the driver door inputs list.

Does the driver window status data parameter

2004 Hummer H2

2004 ACCESSORIES & EQUIPMENT Doors - Hummer H2