Hummer H3. Manual — part 1061

Connections

Go to Step 3

3

Is the door ajar indicator ON all the time?

Go to Step 4

Go to Step 8

4

1. Install a scan tool.

2. Close all of the doors.

3. Turn ON the ignition, with the engine

OFF.

4. 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 Ajar for
either of the parameters?

Go to Step 5

Go to Step 19

5

Is the Driver Door Ajar sw. parameter
displaying Door Ajar?

Go to Step 6

Go to Step 7

6

1. With a scan tool, observe the Driver

Door Ajar Sw. parameter in the
BCM data list.

2. Disconnect the driver ajar switch

assembly harness connector.

Does the scan tool display Door Closed?

Go to Step 20

Go to Step 15

7

1. With a scan tool, observe the

Passenger Door Ajar Sw. parameter
in the BCM data list.

2. Disconnect each of the passenger ajar

switch assembly harness connectors,
one at a time.

Does the scan tool display Door Closed
when any of the harness connectors is
disconnected?

Go to Step 20

Go to Step 16

8

Is the door ajar indicator inoperative from
the driver door?

Go to Step 9

Go to Step 12

1. Install a scan tool.

2. Turn ON the ignition, with the engine

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Vehicle Access - H3

9

OFF.

3. Disconnect the driver ajar switch

assembly harness connector.

4. Connect a 3-amp fused jumper wire

between the left front door ajar
switch signal circuit of the driver ajar
switch assembly harness connector
and a good ground.

5. With a scan tool, observe the Driver

Door Ajar Sw. parameter in the
BCM data list.

Does the scan tool display Door Ajar?

Go to Step 10

Go to Step 17

10

Is the door ajar indicator illuminated?

Go to Step 11

Go to Step 19

11

1. Connect a 3-amp fused jumper wire

between the left front door ajar
switch signal circuit of the driver ajar
switch assembly harness connector
and the ground circuit of the driver
ajar switch assembly harness
connector.

2. With a scan tool, observe the Driver

Door Ajar Sw. parameter in the
BCM data list.

Does the scan tool display Door Ajar?

Go to Step 20

Go to Step 22

12

1. Install a scan tool.

2. Turn ON the ignition, with the engine

OFF.

3. Disconnect the appropriate passenger

ajar switch assembly harness
connector.

4. Connect a 3-amp fused jumper wire

between the door ajar switch signal
circuit of the appropriate passenger
ajar switch assembly harness
connector and a good ground.

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Vehicle Access - H3

5. With a scan tool, observe the

Passenger Door Ajar Sw. parameter
in the BCM data list.

Does the scan tool display Door Ajar?

Go to Step 13

Go to Step 18

13

Is the door ajar indicator illuminated?

Go to Step 14

Go to Step 19

14

1. Connect a 3-amp fused jumper wire

between the door ajar switch signal
circuit of the appropriate passenger
ajar switch assembly harness
connector and the ground circuit of
the appropriate passenger ajar switch
assembly harness connector.

2. With a scan tool, observe the

Passenger Door Ajar Sw. parameter
in the BCM data list.

Does the scan tool display Door Ajar?

Go to Step 20

Go to Step 22

15

Test the left front door ajar switch signal
circuit for a short to ground. Refer to
Circuit Testing and Wiring Repairs .
Did you find and correct the condition?

Go to Step 26

Go to Step 21

16

Test the appropriate door ajar switch
signal circuit for a short to ground. Refer
to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?

Go to Step 26

Go to Step 21

17

Test the left front door ajar switch signal
circuit for an open. Refer to Circuit
Testing and Wiring Repairs .
Did you find and correct the condition?

Go to Step 26

Go to Step 21

18

Test the appropriate door ajar switch
signal circuit for an open. Refer to Circuit
Testing and Wiring Repairs .
Did you find and correct the condition?

Go to Step 26

Go to Step 21

19

Inspect for poor connections at the harness
connector of the instrument panel cluster
(IPC). Refer to Testing for Intermittent
Conditions and Poor Connections and

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Vehicle Access - H3

POWER DOOR LOCKS INOPERATIVE

Power Door Locks Inoperative

Connector Repairs .
Did you find and correct the condition?

Go to Step 26

Go to Step 23

20

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 26

Go to Step 24

21

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 26

Go to Step 25

22

Repair the open in the appropriate ground
circuit. Refer to Wiring Repairs and
Connector Repairs .
Did you find and correct the condition?

Go to Step 26

-

23

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

Go to Step 26

-

24

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

Go to Step 26

-

25

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

Go to Step 26

-

26

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

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Vehicle Access - H3