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HOMESERVICE MANUALSCHEVROLET2005OPTRA5 BASE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSDOORSDIAGNOSTIC INFORMATION AND PROCEDURESHEATED MIRRORS INOPERATIVE
2005 Chevrolet Optra5 Base, Standard

Heated Mirrors Inoperative

2005 Chevrolet Optra5 Base, StandardSECTION Heated Mirrors Inoperative
Step Action Values Yes No
1 Inspect the rear window defogger.
Does the rear window defogger work?		 - Go to Step 4Β  Go to Step 2Β 
2 Repair the rear window defogger before proceeding with the outside rearview mirror diagnosis.
Is the repair complete?		 - Go to Step 3Β  -
3 Test the outside rearview mirror defoggers.
Does the repair of the rear window defogger system also fix the problem with the outside rearview mirror defoggers?		 - System OK Go to Step 4Β 
4 Inspect fuse Ef25.
Is fuse Ef25 open?		 - Go to Step 5Β  Go to Step 6Β 
5
  1. Inspect for a short circuit and repair it, if necessary.
  2. Replace the fuse.
Is the repair complete?		 - System OK -
6
  1. On the side of the vehicle which has the malfunctioning outside rearview mirror defogger, remove the black plastic escutcheon from the trim panel side of the door.
  2. Disconnect the outside rearview mirror electrical connector.
  3. Turn ON the ignition, with the engine OFF.
  4. Turn ON the defogger.
  5. Use a voltmeter to backprobe terminal 3 at the outside rearview mirror electrical connector.
Does the voltmeter measure within the specified range?		 11-14 V Go to Step 8Β  Go to Step 7Β 
7 Repair the open circuit between fuse Ef25 and the outside rearview mirror connector.
Is the repair complete?		 - System OK -
8
  1. Turn the ignition OFF.
  2. Disconnect the outside rearview mirror electrical connector.
  3. Use an ohmmeter to measure the resistance between terminal 8 of the outside rearview mirror connector and ground.
Does the ohmmeter indicate the specified value?		 0 Ξ© Go to Step 10Β  Go to Step 9Β 
9 Repair the open ground circuit for the outside rearview mirror.
Is the repair complete?		 - System OK -
10 Replace the defective outside rearview mirror.
Is the repair complete?		 - System OK -
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.