GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Remove the door jamb switch connector.

Does the audible warning remain on?

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Go to Step 2

Go to Step 3

2

  1. Remove the combination switch connector C1.
  2. Connect a J 39200 from CKT 152 (RED/BLK) at the combination switch connector to ground.

Does the indicate continuity?

--

Go to Step 4

Go to Step 5

3

Replace the door jamb switch.

Is the repair complete?

--

System OK

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4

Locate and repair the short to ground in CKT 152, CKT 148 or CKT 26 (RED/BLK) between the combination switch and the door jamb switch.

Is the repair complete?

--

System OK

--

5

Replace the combination switch. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle .

Is the repair complete?

--

System OK

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