Hummer H2. Manual — part 515

HEATED MIRRORS INOPERATIVE

Heated Mirrors Inoperative

Did you find or correct the condition?

Go to Step 14

Go to Step 10

9

Inspect for poor connections at the harness
connector of the driver outside rearview
mirror. Refer to Testing for Intermittent
Conditions and Poor Connections and
Connector Repairs in Wiring Systems.
Did you find or correct the condition?

-

Go to Step 14

Go to Step 12

10

Inspect for poor connections at the harness
connector of the inside rearview mirror.
Refer to Testing for Intermittent
Conditions and Poor Connections and
Connector Repairs in Wiring Systems.
Did you find or correct the condition?

-

Go to Step 14

Go to Step 13

11

Repair the short to voltage in the signal
circuit of the driver outside rearview mirror
element. Refer to Wiring Repairs in Wiring
Systems.Did you complete the repair?

IMPORTANT:

A short to voltage in the signal circuit of
the driver outside rearview mirror element
will cause permanent damage to both the
driver outside rearview mirror element
and the inside rearview mirror.

-

Go to Step 14

-

12

Replace the driver outside rearview mirror.
Refer to Mirror Replacement .
Did you complete the replacement?

-

Go to Step 14

-

13

Replace the inside rearview mirror. Refer to
Rearview Mirror Replacement in
Stationary Windows.Did you complete the
replacement?

IMPORTANT:

Perform the setup procedure for the
inside rearview mirror with compass.
Refer to Compass Calibration and
Variance Procedure in Stationary
Windows.

-

Go to Step 14

-

14

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

-

System OK

Go to Step 2

Step

Action

Yes

No

2004 Hummer H2

2004 ACCESSORIES & EQUIPMENT Doors - Hummer H2

Schematic Reference: Outside Mirror Schematics

1

Did you perform the Door Systems Diagnostic
System Check?

Go to Step 2

Go to Diagnostic

System Check -

Door Systems

2

Verify the heated mirrors inoperative fault is
present.
Do the heated mirrors operate normally?

Go to Testing for

Intermittent Conditions

and Poor Connections

in Wiring Systems

Go to Step 3

3

Does the rear window defogger operate properly?

Go to Step 4

Go to Defogger

Inoperative - Rear

Window in

Stationary Windows

4

1. Disconnect the appropriate mirror.

2. Start the engine.

3. Connect a test lamp between the mirror

heater control and the mirror heater ground
circuit pins of the appropriate door module.

4. Activate the rear window defogger switch.

Does the test lamp illuminate?

Go to Step 5

Go to Step 6

5

Inspect for poor connections at the harness
connector of the outside rearview mirror. 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 harness
connector of the appropriate 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

7

Replace the appropriate outside rearview mirror
face.
Did you complete the replacement?

Go to Step 9

-

8

Replace the appropriate door module. Refer to
Switch Replacement - Door Lock and Side
Window - Driver or Switch Replacement - Door
Lock and Side Window - Passenger .Did you
complete the replacement?

IMPORTANT:

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

Go to Step 9

-

2004 Hummer H2

2004 ACCESSORIES & EQUIPMENT Doors - Hummer H2

REPAIR INSTRUCTIONS

POWER WINDOW SWITCH REPLACEMENT - REAR DOOR

Removal Procedure

9

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

System OK

Go to Step 2

2004 Hummer H2

2004 ACCESSORIES & EQUIPMENT Doors - Hummer H2

Fig. 14: Rear Door Power Window Switch
Courtesy of GENERAL MOTORS CORP.

1. Use a suitable flat bladed tool to remove the power window switch from the door panel.

2. Remove the power window switch from the connector.

Installation Procedure

2004 Hummer H2

2004 ACCESSORIES & EQUIPMENT Doors - Hummer H2