GM Service Manual Online
For 1990-2009 cars only

Power Door Locks Switch Unlock Function Inoperative - One Oldsmobile

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

  1. Disconnect the body control module (MALL) connector C2.
  2. Connect a digital multimeter (DMM) between the MALL connector C2 terminal S (ORN/BLK) and ground.
  3. Press the inoperative seat/lock switch to the UNLOCK position.

Does the resistance measure within the specified range?

0-5 ohms

Go to Step 3

Go to Step 4

3

Repair an 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

--

4

Replace the inoperative seat/lock switch. Refer to Power Seat Switch Replacement in Seats.

Did you complete the repair?

--

Go to Power Door Locks System Check

--

Power Door Locks Switch Unlock Function Inoperative - One Buick

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

  1. Disconnect the body control module (MALL) connector C2.
  2. Measure the resistance between the following inoperative front door lock/window switch terminals and ground:
  3. • LH front door lock/power window switch terminal K (ORN/BLK).
    • RH front door lock/power window switch terminal R (ORN/BLK).
  4. Press the inoperative door lock/window switch to the LOCK position.

Does the resistance measure within the specified range?

0-5 ohms

Go to Step 3

Go to Step 4

3

Repair an 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

--

4

Replace the inoperative front door lock/power window switch. Refer to Door Lock and Side Window Switch Replacement .

Did you complete the repair?

--

Go to Power Door Locks System Check

--