GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Chevy C Pickup - 2WD 🢒 Body and Accessories 🢒 Doors 🢒 Power Door Locks Switch Lock Function Inoperative - One

Power Door Locks Switch Lock Function Inoperative - One Luxury

Step

Action

Value(s)

Yes

No

1

Has the Power Door Locks System Check been performed?

--

Go to Step 2

Go to Power Door Locks System Check

2
  1. Disconnect the inoperative power door lock switch.
  2. Connect a test lamp from CKT 640 (ORN) to the power door lock switch and ground.

Does the test lamp light?

--

Go to Step 3

Go to Step 4

3
  1. Connect a fused jumper from the inoperative power door lock switch, CKT 640 (ORN) to CKT 194 (LT BLU).
  2. Connect the fused jumper from the inoperative power door lock switch, CKT 640 (ORN) TO CKT 194 (WHT).

Do the doors lock and then unlock?

--

Go to Step 5

Go to Step 6

4

Repair the open in CKT 640 (ORN) between the inoperative power door lock switch and splice S256. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Power Door Locks System Check

--

5

Replace the door lock switch. Refer to Door Lock Switch Replacement .

Is the repair complete?

--

Go to Power Door Locks System Check

--

6
  1. Inspect CKT 194 (WHT) and CKT 195 (LT BLU) for opens.
  2. Repair the circuits, as necessary. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Power Door Locks System Check

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