GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1999 🢒 Firebird 🢒 Body and Accessories 🢒 Doors 🢒 Power Door Locks Switch Unlock Function Inoperative - One

Step

Action

Value(s)

Yes

No

1
  1. Backprobe with a J 39200 Digital Multi-Meter, between the inoperative door lock switch connector terminal D and the ground.
  2. While observing the J 39200 Digital Multi-Meter, move the inoperative door lock switch to the UNLOCK position.

Is there continuity?

0ohms

Go to Step 2

Go to Step 3

2

Repair the open in circuit 781, between the inoperative door lock switch and S268.

Is the repair complete?

--

System OK

--

3
  1. Test for a poor connection at the inoperative door lock switch.
  2. If OK, replace the door lock switch. Refer to Door Lock Switch Replacement .

Is the repair complete?

--

System OK

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