Hummer H3. Manual — part 1060

5

connector of the passenger door lock
switch. Refer to Testing for Intermittent
Conditions and Poor Connections and
Connector Repairs .
Did you find and correct the condition?

Go to Step 11

Go to Step 8

6

Inspect for poor connections at the harness
connector of the driver switch assembly.
Refer to Testing for Intermittent
Conditions and Poor Connections and
Connector Repairs .
Did you find and correct the condition?

Go to Step 11

Go to Step 9

7

Inspect for poor connections at the harness
connector of the body control module
(BCM). Refer to Testing for Intermittent
Conditions and Poor Connections and
Connector Repairs .
Did you find and correct the condition?

Go to Step 11

Go to Step 10

8

Replace the passenger door lock switch.
Refer to Door Lock and Side Window
Switch Replacement - Driver Side (1st
Design), Door Lock and Side Window
Switch Replacement - Driver Side (2nd
Design) or Door Lock and Side Window
Switch Replacement - Passenger Side.
Did you complete the replacement?

Go to Step 11

-

9

Replace the driver switch assembly. Refer
to Door Lock and Side Window Switch
Replacement - Driver Side (1st Design),
Door Lock and Side Window Switch
Replacement - Driver Side (2nd Design)
or Door Lock and Side Window Switch
Replacement - Passenger Side.
Did you complete the replacement?

Go to Step 11

-

10

Replace the BCM. Refer to Control
Module References for replacement,
setup and programming.
Did you complete the replacement?

Go to Step 11

-

1. Use the scan tool in order to clear the

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Vehicle Access - H3

SYMPTOMS - VEHICLE ACCESS

1. Perform the Diagnostic System Check - Vehicle before using the Symptom Tables in

order to verify that all of the following are true:

There are no DTCs set.

The control modules can communicate via the serial data link.

2. Review the system operation in order to familiarize yourself with the system functions.

Refer to the following system descriptions:

Door Ajar Indicator Description and Operation

Power Door Locks Description and Operation

Visual/Physical Inspection

Inspect for aftermarket devices which could affect the operation of the door systems. Refer
to Checking Aftermarket Accessories .

Inspect the easily accessible or visible system components for obvious damage or conditions
which could cause the symptom.

Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to
Testing for Intermittent Conditions and Poor Connections .

Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the
symptom:

Automatic Door Locks Inoperative

11

DTCs.

2. Operate the vehicle within the

Conditions for Running the DTC as
specified in the supporting text.

Does the DTC reset?

Go to Step 2

System OK

IMPORTANT: The following steps must be completed before using the symptom

tables.

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Vehicle Access - H3

Door Ajar Indicator Malfunction

Power Door Locks Inoperative

AUTOMATIC DOOR LOCKS INOPERATIVE

Automatic Door Locks Inoperative

Step

Action

Yes

No

Schematic Reference: Door Lock/Indicator Schematics
Connector End View Reference: Vehicle Access Connector End Views

1

Did you review the Diagnostic System
Check - Vehicle?

Go to Step 2

Go to Diagnostic
System Check -
Vehicle

2

Verify that the automatic door locks are
inoperative.
Do the automatic door locks operate
normally?

Go to Testing
for
Intermittent
Conditions and
Poor
Connections

Go to Step 3

3

Observe the driver information center
(DIC) for the current automatic door lock
mode. Refer to Vehicle
Personalization .
Is the correct automatic door lock mode
selected?

Go to Step 4

Go to Vehicle
Personalization

4

Do the power door locks operate
normally?

Go to Step 5

Go to Power Door
Locks Inoperative

5

1. Close all of the doors.

2. With a scan tool, observe the driver

door ajar sw. and the passenger door
ajar sw. parameters in the body
control module (BCM) data list.

Does the scan tool display Door Closed
for both parameters?

Go to Step 7

Go to Step 6

6

Test the appropriate door ajar switch
signal circuit of the appropriate door lock
harness connector for a short to ground.
Refer to Circuit Testing and Wiring

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Vehicle Access - H3

DOOR AJAR INDICATOR MALFUNCTION

Door Ajar Indicator Malfunction

Repairs .
Did you find and correct the condition?

Go to Step 11

Go to Step 8

7

Inspect for poor connections at the
harness connector of the BCM. Refer to
Testing for Intermittent Conditions
and Poor Connections and Connector
Repairs .
Did you find and correct the condition?

Go to Step 11

Go to Step 9

8

Inspect for poor connections at the
harness connector of the appropriate door
ajar switch. Refer to Testing for
Intermittent Conditions and Poor
Connections and Connector Repairs .
Did you find and correct the condition?

Go to Step 11

Go to Step 10

9

Replace the BCM. Refer to Control
Module References for replacement,
setup and programming.
Did you complete the replacement?

Go to Step 11

-

10

Replace the appropriate door ajar switch.
Did you complete the replacement?

Go to Step 11

-

11

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: Interior Lights Schematics
Connector End View Reference: Vehicle Access Connector End Views

1

Did you perform the Diagnostic System
Check - Vehicle?

Go to Step 2

Go to
Diagnostic
System Check -
Vehicle

2

Verify that the door ajar indicator is
malfunctioning.
Does the door ajar indicator operate
normally?

Go to Testing
for Intermittent
Conditions and
Poor

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Vehicle Access - H3