GM Service Manual Online
For 1990-2009 cars only

Symptom

Procedure

Important: For mirror related concerns involving heated mirror operation, refer to the Stationary Glass section in this service manual.

Both power mirrors do not operate.

Chart 1

The left mirror does not operate in up/down or left/right mode. The right mirror operates normally.

Chart 2

The right mirror does not operate in up/down or left/right mode. The left mirror operates normally.

Chart 3

The left mirror does not operate in left/right but is OK in up/down.

  1. Remove the left mirror patch.
  2. Disconnect the mirror connector
  3. Connect a test lamp between terminal C and B.
  4. Move the mirror switch to the left or right position.
  5. If the test lamp illuminates, the mirror motor is faulty.
  6. If the test lamp does not illuminate, CKT 889 is open or the mirror switch is faulty.

The right mirror does not operate in left/right but is OK in up/down.

  1. Remove the left mirror patch.
  2. Disconnect the mirror connector.
  3. Connect a test lamp between terminal B and C.
  4. Move the mirror switch to the left or right position.
  5. If the test lamp illuminates, the mirror motor is faulty.
  6. If the test lamp does not illuminate, CKT 89 is open or the mirror switch is faulty .

Both Mirrors Do Not Operate - Chart 1


Object Number: 890788  Size: FP

Left Mirror Does Not Operate in Up/Down or Right/Left Mode, Right Mirror Operates Normally - Chart  2


Object Number: 890790  Size: FP

Right Mirror Does Not Operate in Up/Down or Right/Left Mode, Left Mirror Operates Normally - Chart 3


Object Number: 890792  Size: FP