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Power Mirror Folding Malfunction

Diagnostic Instructions

    • Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
    • Review Strategy Based Diagnosis for an overview of the diagnostic approach.
    • Diagnostic Procedure Instructions provides an overview of each diagnostic category.

Diagnostic Fault Information

Circuit

Short to Ground

Open/High Resistance

Short to Voltage

Signal Performance

Folding Mirror Motor Retract Control

1

1

--

--

Folding Mirror Motor Extend Control

1

1

--

--

1. Power Folding Mirror Inoperative

Circuit/System Description

The outside mirror switch controls the power folding or power extending functions of the outside rearview mirrors. The folding mirror motors are controlled by using bi-directional motor controls through the folding mirror motor retract control circuit and the folding mirror motor extend control circuit.

Reference Information

Schematic Reference

Outside Rearview Mirror Schematics

Connector End View Reference

Component Connector End Views

Description and Operation

Outside Mirror Description and Operation

Electrical Information Reference

    •  Circuit Testing
    •  Connector Repairs
    •  Testing for Intermittent Conditions and Poor Connections
    •  Wiring Repairs

Circuit/System Verification

Ignition ON, operate the mirror switch to the fold and extend positions. The outside rearview mirrors should fold and extend.

Circuit/System Testing

  1. Ignition OFF, disconnect the harness connector at the appropriate A9 outside rearview mirror.
  2. Connect a test lamp between control circuit terminal D and control circuit terminal E.
  3. Operate the mirror switch to the fold and extend positions. The test lamp should turn ON for 1 second when commanding the fold and extend states.
  4. If the test lamp remains OFF during either of the commands, test for a short to voltage, short to ground, or an open/high resistance on either control circuit. If the circuits test normal, replace the S52 outside mirror switch.
  5. If all circuits test normal, test or replace the A9 outside rearview mirror.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

    •  Outside Remote Control Rearview Mirror Switch Replacement
    •  Outside Rearview Mirror Replacement
   


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