ES300 1992-1997

Mirrors

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Power Mirrors



Diagnosis & Testing
Motor

Specific to:

Lexus ES300 1992-1996

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Connect the positive lead from the battery to terminal 4 and negative lead to terminal 3, check that the mirror turns upward.
  4.  
  5. Reverse the polarity, check that the mirror turns to downward.

    Click image to see an enlarged view

    Fig. Mirror motor up and down testing

  6.  
  7. Connect the positive lead from the battery to terminal 2 and negative lead to terminal 3, check that the mirror turns to left side.
  8.  
  9. Reverse the polarity, check that the mirror turns to right side. If operation is not as specified, replace the mirror.

    Click image to see an enlarged view

    Fig. Mirror motor side to side testing

  10.  

Specific to:

Lexus ES300 1997-1999

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Inspect indicator light operation:
    1. Connect the positive lead from the battery to terminal 5 and the negative lead to terminal 6, and check that the indicator light does not light up, replace the switch.

      Click image to see an enlarged view

      Fig. Mirror light testing

    2.  

  4.  
  5. Inspect mirror motor operation:
    1. Connect the positive lead from the battery to terminal 1 and the negative lead to terminal 2, and check that the mirror turns upward.
    2.  
    3. Reverse the polarity, and check that the mirror turns downward.

      Click image to see an enlarged view

      Fig. Mirror motor up and down testing

    4.  
    5. Connect the positive lead from the battery to terminal 3 and the negative lead to terminal 2, and check that the mirror turns to the left side.
    6.  
    7. Reverse the polarity, and check that the mirror turns to the right side.

      Click image to see an enlarged view

      Fig. Mirror motor side to side testing

    8.  

  6.  
  7. If operation is not as specified, replace the mirror.
  8.  

Switch

Specific to:

Lexus ES300 1992-1996

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Inspect continuity:
    1. Inspect the switch continuity between terminals.
    2.  
    3. If continuity is not as specified, replace the switch.

      Click image to see an enlarged view

      Fig. Mirror switch pinout



      Click image to see an enlarged view

      Fig. Mirror switch left side testing



      Click image to see an enlarged view

      Fig. Mirror switch off testing



      Click image to see an enlarged view

      Fig. Mirror switch right side testing

    4.  

  4.  
  5. Inspect switch circuit:
    1. Disconnect the connector from the switch and inspect the connector on the wire harness side as shown.

      Click image to see an enlarged view

      Fig. Wire harness side



      Click image to see an enlarged view

      Fig. Mirror switch testing

    2.  
    3. If the circuit is not as specified, see the wiring diagram and inspect the circuits connected to other parts.
    4.  

  6.  

Specific to:

Lexus ES300 1997-1999

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Inspect mirror switch continuity.
    1. If continuity is not as specified, replace the switch.
    2.  
    3. If continuity is as specified. inspect the switch circuit.

      Click image to see an enlarged view

      Fig. Master switch left side



      Click image to see an enlarged view

      Fig. Master switch right side



      Click image to see an enlarged view

      Fig. Mirror switch pinout

    4.  

  4.  
  5. Inspect mirror switch circuit:
    1. Disconnect the connector from the switch and inspect the connector on the wire harness side.
    2.  
    3. If the circuit is not as specified, inspect the circuits connected to other parts.

      Click image to see an enlarged view

      Fig. Wire harness side



      Click image to see an enlarged view

      Fig. Mirror switch testing

    4.  

  6.  

Removal & Installation
Mirror Motor

Specific to:

Lexus ES250 1990-1991

Lexus ES300 1992-1999

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Using a taped screwdriver, pry loose the clip and remove the cover.
  4.  
  5. Remove the noise control plate/speaker, as applicable.
  6.  
  7. Disconnect the connector.
  8.  
  9. Remove the screws and the mirror.

    Click image to see an enlarged view

    Fig. Mirror assembly removal-1990-91 models



    Click image to see an enlarged view

    Fig. Mirror assembly removal-1992-94 models



    Click image to see an enlarged view

    Fig. Mirror assembly-1995-96 models



    Click image to see an enlarged view

    Fig. Mirror assembly-1997-99 models

  10.  

To install:

  1. Installation is the reverse of the removal procedure.
  2.  

Mirror Switch

Specific to:

Lexus ES250 1990-1991

Lexus ES300 1992-1999

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Using a screwdriver, remove the switch.
  4.  
  5. Disconnect the connectors.

    Click image to see an enlarged view

    Fig. Mirror switch-1992 models, other models similar

  6.  

To install:

  1. Installation is the reverse of the removal procedure.
  2.  

 
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