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
|
- Perform the following steps in order to enter the body control
module (MALL) diagnostic mode:
| • | Place the ignition switch in the ON position. |
| • | Press and hold the power door unlock switch. |
| • | Cycles the headlamps on and off 6 times. |
| • | Release the power door unlock switch. |
- The MALL may sound a series of tones (history codes) upon entering
the diagnostic mode. For a list of these codes, refer to
Body Control Module Diagnostic Information
in Body
Control Systems.
- Press a door lock/window switch to the LOCK position.
Does the MALL sound one tone each time the switch is pressed?
| --
| Go to
Step 7
| Go to
Step 3
|
3
|
- Turn off the ignition.
- Disconnect the MALL connector C2.
- Disconnect the remote function actuator module (RFA) connector.
- Measure the resistance between the MALL connector C2 terminal C7
and the RFA connector terminal E4.
Does the resistance measure within the specified range?
| 0-5 ohms
| Go to
Step 5
| Go to
Step 4
|
4
| Repair an open in
CKT 195 (LT BLU). Refer to
Wiring Repairs
in Wiring Systems.
Did you complete the repair?
| --
| Go to
Power Door Locks System Check
| --
|
5
|
- Disconnect a front door lock/window switch.
- Measure the resistance between the front door lock/window switch
connector CKT 780 (RED/BLK) and the RFA connector terminal E13.
Does the resistance measure within the specified range?
| 0-5 ohms
| Go to
Step 7
| Go to
Step 6
|
6
| Repair an open in
CKT 780 (RED/BLK). Refer to
Wiring Repairs
in Wiring Systems.
Did you complete the repair?
| --
| Go to
Power Door Locks System Check
| --
|
7
|
- Disconnect the MALL connector C1.
- Disconnect the LH front door lock actuator connector C2.
- Measure the resistance between the MALL connector C1 terminal C
and the door lock actuator connector C2 terminal B.
Does the resistance measure within the specified range?
| 0-5 ohms
| Go to
Step 9
| Go to
Step 8
|
8
| Repair an open or
a short to ground in CKT 295 (GRY). Refer to
Wiring Repairs
in Wiring Systems.
Did you complete the repair?
| --
| Go to
Power Door Locks System Check
| --
|
9
| Measure the resistance between the MALL terminal A
and ground.
Does the resistance measure within the specified range?
| 0-5 ohms
| Go to
Step 11
| Go to
Step 10
|
10
| Replace the MALL.
Refer to
Body Control Module Replacement
in Body Control System.
Did you complete the repair?
| --
| Go to
Power Door Locks System Check
| --
|
11
|
- Reconnect all of the connectors.
- Turn the ignition switch to the ON position.
- Use a digital multimeter (DMM) in order to backprobe the RFA terminal E4
and B+.
- Press the front seat/lock switch to the LOCK position.
Does the voltage measure within the specified range?
| 10-15 V
| Go to
Step 10
| Go to
Step 12
|
12
| Replace the RFA.
Refer to
Remote Control Door Lock Receiver Replacement
in Keyless Entry.
Did you complete the repair?
| --
| Go to
Power Door Locks System Check
| --
|
