Step
| Action
| Value(s)
| Yes
| No
|
1
| Did you perform the Power Door
Locks System Check?
| --
| Go to
Step 2
| Go to
Power Door Locks System Check
|
2
| Use a scan tool in order to read the body control module (BCM) current
diagnostic trouble codes (DTCs).
Are any current DTCs present?
| --
| Go to
Diagnostic Trouble Code (DTC) List/Type
in Body Control Systems
| Go to
Step 3
|
3
| Inspect
the driver door lock.
Does the driver door unlock but not lock?
| --
| Go to
Step 4
| Go to
Step 7
|
4
|
- Remove the driver door unlock relay.
- Use a fused jumper wire between the driver door unlock relay cavity
terminal 4 and terminal 3.
- Press the driver door unlock switch then the lock switch.
- Reinstall the driver door unlock relay as needed.
Does the driver door lock?
| --
| Go to
Step 5
| Go to
Step 6
|
5
| Replace the driver door unlock relay in the body relay block.
Is the repair complete?
| --
| Go to
Power Door Locks System Check
| --
|
6
| Replace the body relay block.
Is the repair complete?
| --
| Go to
Power Door Locks System Check
| --
|
7
| Inspect the driver door lock.
Does the driver door lock but not unlock?
| --
| Go to
Step 8
| Go to
Step 14
|
8
|
- Verify that the ignition switch is in the OFF position.
- Disconnect the BCM connector C1 (BRN).
- Disconnect the BCM connector C2 (BLU).
- Use a fused jumper wire in order to momentarily connect the BCM
connector terminal A4 of connector C2 to ground.
Does the driver door unlock?
| --
| Go to
Step 9
| Go to
Step 14
|
9
|
- Inspect the terminals in the BCM connectors for looseness or damage.
Specifically inspect the following terminals:
- Repair the terminals as needed.
Did you locate and repair a terminal?
| --
| Go to
Power Door Locks System Check
| Go to
Step 10
|
10
|
- Connect a DMM between the BCM connector C1-A3 and ground.
- Depress the unlock switch on the driver door.
Does the DMM display the specified value?
| Battery Voltage
| Go to
Step 13
| Go to
Step 11
|
11
|
- Inspect for an open in CKT 194 (WHT) between the BCM and
the body relay block.
- Repair as needed.
Did you locate and repair an open?
| --
| Go to
Power Door Locks System Check
| Go to
Step 12
|
12
|
- Disconnect the body relay block connector.
- Inspect the terminal in cavity E8 for looseness or damage.
- Repair the terminal as needed.
Did you repair a damaged terminal?
| --
| Go to
Power Door Locks System Check
| Go to
Step 16
|
13
| Replace the BCM.
Is the repair complete?
| --
| Go to
Power Door Locks System Check
| --
|
14
|
- Remove the driver door unlock relay.
- Connect a test lamp between the driver door unlock relay socket
terminal 4 and terminal 5.
Does the test lamp light?
| --
| Go to
Step 15
| Go to
Step 16
|
15
|
- Remove the Driver Door Unlock Relay.
- Connect a test lamp between relay cavity 1 and cavity 2
in the body relay block using the J 35616-A
.
- Disconnect BCM connector C2 (BLU).
- Connect a fused jumper between A4, connector C2 (BLU) of
the BCM and ground.
Does the test lamp light?
| --
| Go to
Step 19
| Go to
Step 20
|
16
| Replace the driver door unlock relay.
Is the symptom still present?
| --
| Go to
Power Door Locks System Check
| Go to
Step 17
|
17
| Repair an open in CKT 1391 (LT GRN).
Is the repair complete?
| --
| Go to
Power Door Locks System Check
| --
|
18
|
- Disconnect the driver door lock actuator.
- Connect a test lamp between the driver door actuator terminal A
and terminal B.
- Push the driver door lock switch.
Does the test lamp light?
| --
| Go to
Step 19
| Go to
Step 20
|
19
| Replace the driver door lock actuator.
Is the repair complete?
| --
| Go to
Power Door Locks System Check
| --
|
20
|
- Remove the driver door unlock relay.
- Connect a DMM between terminal 4 of the driver door unlock
relay socket and terminal B of the driver door lock actuator Ensure
that the actuator is disconnected.
Is the resistance less than the specified value?
| 20 ohms
| Go to
Step 21
| Go to
Step 24
|
21
|
- Connect a digital multimeter (DMM).
- Inspect for continuity between the drivers door lock actuator
terminal A and the driver door unlock relay terminal cavity 3.
Is continuity present?
| --
| Go to
Step 22
| Go to
Step 23
|
22
| Replace the driver door unlock relay.
Is the repair complete?
| --
| Go to
Power Door Locks System Check
| --
|
23
| Repair the open in CKT 694 (TAN).
Is the repair complete?
| --
| Go to
Power Door Locks System Check
| --
|
24
| Repair the open in CKT 295.
Is the repair complete?
| --
| Go to
Power Door Locks System Check
| --
|