Hummer H3. Manual — part 1576

Connector End View Reference: Power Seat Connector End Views
DEFINITION: One or more of the seat track adjuster motor function are inoperative.

1

Did you review the Power Seat System
Description and Operation and perform the
necessary inspections?

Go to Step 2 Go to

2

Attempt to operate all of the power seat
adjuster motors through their full range of
adjustment.
Do all of the power seat adjuster motors
operate properly?

Go to Testing
for Intermittent
Conditions and
Poor
Connections

Go to Step 3

3

Are all of the seat track adjuster motors
inoperative?

Go to Step 4

Go to Step 6

4

Test the battery voltage supply circuit to
the power seat switch for an open or short
to ground. Refer to Circuit Testing and
Wiring Repairs .
Did you find and correct the condition?

Go to Step 12

Go to Step 5

5

Test the power seat switch ground circuit
for an open or high resistance. Refer to
Circuit Testing and Wiring Repairs .
Did you find and correct the condition?

Go to Step 12

Go to Step 10

6

1. Disconnect the seat track adjuster

motor assembly connector.

2. Connect a test lamp across the

inoperative adjuster motor control
circuit terminals.

3. Press the inoperative seat adjuster

switch in both directions.

Does the test lamp illuminate when the
switch is pressed in both directions?

Go to Step 8

Go to Step 7

7

1. Disconnect the power seat switch

connector.

2. Test the inoperative adjuster motor

control circuits for an open or short to
ground. Refer to Circuit Testing and
Wiring Repairs .

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Power Seats - H3

REPAIR INSTRUCTIONS

POWER SEAT SWITCH REPLACEMENT

Did you find and correct the condition?

Go to Step 12

Go to Step 10

8

Inspect for poor connections at the seat
track adjuster motor assembly connector.
Refer to Testing for Intermittent
Conditions and Poor Connections and
Connector Repairs .
Did you find and correct the condition?

Go to Step 12

Go to Step 9

9

Replace the seat track adjuster motor
assembly. Refer to Front Seat Adjuster
Replacement.
Is the repair complete?

Go to Step 12

-

10

Inspect for poor connections at the power
seat switch. Refer to Testing for
Intermittent Conditions and Poor
Connections and Connector Repairs .
Did you find and correct the condition?

Go to Step 12

Go to Step 11

11

Replace the power seat switch. Refer to
Power Seat Switch Replacement.
Is the repair complete?

Go to Step 12

-

12

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

System OK

Go to Step 2

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Power Seats - H3

Fig. 13: Seat Switch Replacement - Power
Courtesy of GENERAL MOTORS CORP.

Power Seat Switch Replacement

FRONT SEAT ADJUSTER REPLACEMENT

Callout

Component Name

Preliminary Procedures

1. Remove the front bucket seat. Refer to Front Seat Replacement - Bucket .

2. Remove the front seat trim panels. Refer to Front Seat Trim Panel Replacement

(Manual Lumbar) or Front Seat Trim Panel Replacement (Power Lumbar) .

1

Seat Switch Assembly Screw (Qty: 3)

Tighten: 2 N.m (18 lb in)

NOTE:

Refer to Fastener Notice .

2

Seats Switch Bezel Assembly

3

Seat Adjuster Switch
Tip: Disconnect the electrical connector.

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Power Seats - H3

Fig. 14: Replacing Front Seat Adjuster
Courtesy of GENERAL MOTORS CORP.

Front Seat Adjuster Replacement

Callout

Component Name

Preliminary Procedures

1. Remove the front bucket seat. Refer to Front Seat Replacement - Bucket .

2. Remove the seat cushion trim cover and pad. Refer to Seat Cushion Trim Cover

and Pad Replacement .

1

Seat Back Frame Bolt (Qty: 4)

NOTE:

Refer to Fastener Notice .

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Power Seats - H3