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:
| 1.1. | Press and hold the power door unlock switch. |
| 1.2. | Cycle the headlamps ON and OFF 6 times. |
| 1.3. | Release the power door unlock switch. |
- The MALL module may sound a series of tones (history codes) upon
entering the diagnostic mode. Refer to
Body Control Module Diagnostic Information
in Body Control System.
- Press a door lock switch to the UNLOCK position.
Does the MALL module sound 1 tone each time the switch is pressed?
| --
| Go to
Step 3
| Go to
Step 5
|
3
|
- Turn the ignition switch to the OFF position.
- Disconnect the MALL module connector C2.
- Use a J 39200
digital
multimeter (DMM) in order to measure the resistance between the MALL connector C2
terminal C6 and ground while pressing the door lock switch to the UNLOCK
position.
Is the resistance within the specified range?
| 0-5 ohms
| Go to
Step 7
| Go to
Step 6
|
4
|
- Place the ignition switch in the OFF position.
- Disconnect the MALL connector C1.
- Disconnect the left front door lock actuator connector C2.
- Use the DMM inorder to measure the resistance between connector C1
terminal A and connector C2 terminal A.
Is the resistance within the specified range?
| 0-5 ohms
| Go to
Step 7
| Go to
Step 5
|
5
| Repair a short to ground in CKT 694 (TAN). Refer
to
Wiring Repairs
in Wiring Systems.
Did you complete the repair?
| --
| Go to
Power Door Locks System Check
| --
|
6
| Repair the open in CKT 781 (ORN/BLK). Refer to
Wiring Repairs
in Wiring Systems.
Did you complete the repair?
| --
| Go to
Power Door Locks System Check
| --
|
7
| Replace the MALL module. Refer to
Body Control Module Replacement
in Body Control System.
Did you complete the repair?
| --
| Go to
Power Door Locks System Check
| --
|
