Step
| Action
| Value(s)
| Yes
| No
|
1
| Was the Automatic Door Locks System Check performed?
| --
| Go to
Step 2
| Go to
Power Door Locks System Check
|
2
| Was the Body Control Module (BCM)
Diagnostic System Check performed?
| --
| Go to
Step 3
| Go to
Diagnostic System Check - Body Control System
|
3
|
- Turn the ignition switch to the LOCK position.
- Connect the scan tool to the data link connector (DLC).
- Turn the ignition switch to the RUN position.
- Monitor the unlock and lock switch input on the scan tool.
- While observing the scan tool, press unlock and lock on the drivers
side door lock switch.
Upon pressing unlock and lock, does the scan tool indicate the unlock
and lock switch status as active?
| --
| Go to
Step 5
| Go to
Step 4
|
4
|
- Turn the ignition switch to the lock position.
- Disconnect the driver's side door lock switch.
- Connect a test light between B+ and the drivers side door lock
switch harness connector terminal F.
Does the test light illuminate?
| --
| Go to
Step 10
| Go to
Step 8
|
5
|
- Using the scan tool, select the output status.
- While observing the scan tool, press lock on driver door switch.
Did the scan tool indicate output status change?
| --
| Go to
Step 6
| Go to
Step 7
|
6
| Repair a poor connection or an
open in circuit 295.
Is the repair complete?
| --
| Go to
Step 9
| --
|
7
|
- Inspect for a poor connection at the BCM.
- If the connection is OK, replace the BCM. Refer to
Body Control Module Replacement
in Body Control
System.
- After the BCM replacement, perform the Setup New BCM Procedure.
Refer to
Body Control Module (BCM) Programming/RPO Configuration
in Body Control System.
Is the repair complete?
| --
| Go to
Step 9
| --
|
8
| Repair a poor connection or open in circuit 750.
Is the repair complete?
| --
| Go to
Step 9
| --
|
9
|
- Turn the ignition switch to the LOCK position.
- Reconnect the connectors.
- Reinstall the components that were removed.
Have all of the repairs been made?
| --
| Go to
Power Door Locks System Check
| --
|
10
|
- Turn the ignition switch to the LOCK position.
- Reconnect the door lock switch.
- Disconnect the body control module (BCM) connector C1.
- Connect a digital multimeter (DMM).
- Measure the voltage between the BCM harness connector C1
terminal D12 and B+.
Is the voltage within the specified range?
| B+
| Go to
Step
11
| Go to
Step 12
|
11
| Repair a short to ground in circuit 780.
Is the repair complete?
| --
| Go to
Step
9
| --
|
12
|
- Disconnect the drivers side door lock switch.
- Connect a DMM.
- Test for continuity between the BCM harness connector C1
terminal D12 and the door lock switch harness connector terminal C.
Is there continuity?
| --
| Go to
Step
14
| Go to
Step 13
|
13
| Repair a poor connection or open in circuit 780.
Is the repair complete?
| --
| Go to
Step
9
| --
|
14
|
- Connect a digital multimeter (DMM).
- Measure the voltage between the BCM harness connector C1
terminal D13 and B+.
Is the voltage within the specified range?
| B+
| Go to
Step
15
| Go to
Step 16
|
15
| Repair a short to ground in circuit 781.
Is the repair complete?
| --
| Go to
Step
9
| --
|
16
|
- Connect a DMM.
- Test for continuity between the BCM harness connector C1
terminal D13 and the door lock switch harness connector terminal B.
Is there continuity?
| --
| Go to
Step
7
| Go to
Step 17
|
17
| Repair a poor connection or an open in circuit 781.
Is the repair complete?
| --
| Go to
Step
9
| --
|
