GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Power Mirrors System Check?

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Go to Step 2

Go to Outside Mirrors System Check

2

  1. Disconnect the right power mirror connector.
  2. Disconnect the power mirror switch connector.
  3. Connect a J 39200 digital multimeter (DMM) between the mirror switch connector terminal E and the right power mirror connector terminal B.

Is the resistance within the specified range?

0-5 ohms

Go to Step 3

Go to Step 4

3

Connect the DMM between the power mirror switch connector terminal M and the right outside power mirror connector terminal A.

Is the resistance within the specified range?

0-5 ohms

Go to Step 5

Go to Step 6

4

Repair a faulty connection or an open in CKT 881 (RED/WHT). Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Outside Mirrors System Check

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5

Connect the DMM between the power mirror switch connector terminal C and the right outside power mirror connector terminal C.

Is the resistance within the specified range?

0-5 ohms

Go to Step 7

Go to Step 8

6

Repair a faulty connection or an open in CKT 82 (LT BLU). Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Outside Mirrors System Check

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7

Connect the DMM between the power mirror switch connector terminal S and the right outside power mirror connector terminal D.

Is the resistance within the specified range?

0-5 ohms

Go to Step 9

Go to Step 10

8

Repair a faulty connection or open in CKT 889 (PPL/WHT). Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Outside Mirrors System Check

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9

  1. Move the mirror select switch to the right position.
  2. Connect the DMM between the right outside power mirror connector terminal C and ground.
  3. Position the mirror switch to the down position.

Is the voltage within the specified range?

10-15 V

Go to Step 11

Go to Step 12

10

Repair a faulty connection or an open in CKT 88 (YEL). Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Outside Mirrors System Check

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11

  1. Connect the DMM between the right outside power mirror connector terminal B and ground.
  2. Position the mirror switch to the right position.

Is the voltage within the specified range?

10-15 V

Go to Step 15

Go to Step 12

12

Test the power mirror switch connector terminal contact. Refer to Intermittents and Poor Connections Diagnosis in Wiring Systems.

Is there proper terminal contact?

--

Go to Step 14

Go to Step 13

13

Repair the improper terminal contact. Refer to Connector Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Outside Mirrors System Check

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14

Replace the power mirror switch. Refer to Power Mirror Switch Replacement .

Did you complete the repair?

--

Go to Outside Mirrors System Check

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15

Test the right outside power mirror connector terminal contact. Refer to Intermittents and Poor Connections Diagnosis in Wiring Systems.

Is there proper terminal contact?

--

Go to Step 17

Go to Step 16

16

Repair the improper terminal contact. Refer to Connector Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Outside Mirrors System Check

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17

Replace the right outside power mirror. Refer to Power Mirror Replacement .

Did you complete the repair?

--

Go to Outside Mirrors System Check

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