GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 Sonoma Pickup - 2WD 🢒 Body and Accessories 🢒 Doors 🢒 Power Door Locks Switch Lock Function Inoperative - One

Step

Action

Value(s)

Yes

No

1

Did you perform the power door locks diagnostic system check?

--

Go to Step 2

Go to Power Door Locks System Check

2
  1. Disconnect the malfunctioning door lock and window switch.
  2. Connect a test lamp between the door lock window switch connector CKT 840 (ORN) terminal D and ground.

Does the test lamp light?

--

Go to Step 3

Go to Step 4

3

Replace the door lock and side window switch.

Is the repair complete?

--

Go to Power Door Locks System Check

--

4

Repair an open in CKT 840 (ORN).

Is the repair complete?

--

Go to Power Door Locks System Check

--