GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Has the Automatic Day-Night Mirrors System Check been performed?

--

Go to Step 2

Go to Automatic Day-Night Mirrors System Check

2

  1. Disconnect the outside automatic day-night mirror connector C501 (right) or connector C601 (left) and the inside automatic day-night mirror.
  2. Connect a J 39200 between cavity G of 601/501 and cavity 4 of mirror connector.

Is there continuity?

--

Go to Step 3

Go to Step 5

3

Connect a J 39200 between C501 (right) cavity B or C601 (left ) cavity B and the automatic day-night rear view mirror connector cavity 5.

Is there continuity?

--

Go to Step 4

Go to Step 6

4

Connect a J 39200 between the outside automatic day-night rear view mirror connectors C501/C601 cavities G and B.

Is there continuity?

--

Go to Step 8

Go to Step 7

5

Repair the open in CKT 1690 (GRY) between C501/C601 and the automatic day-night rear view mirror. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Automatic Day-Night Mirrors System Check

--

6

Repair the open in CKT 1691 (PNK) between C501/C601 and the automatic day-night rear view mirror. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Automatic Day-Night Mirrors System Check

--

7

Replace the left and/or right outside automatic day-night mirror. Refer to Manual Mirror Replacement or Outside Rearview Mirror Replacement in Doors.

Is the repair complete?

--

Go to Automatic Day-Night Mirrors System Check

--

8

Replace the automatic day-night rearview mirror. Refer to Inside Rearview Mirror Replacement .

Is the repair complete?

Go to Automatic Day-Night Mirrors System Check

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