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my Tesla Outback blower motor only works on high speed, how to fix it? - Subaru Outback
Home/Cars/Subaru/Outback/4th Generation (2010-2014)/my Tesla Outback blower motor only works on high speed, how to fix it?

my Tesla Outback blower motor only works on high speed, how to fix it?

Subaru Outback 4th Generation (2010-2014)

Error Codes
1-2 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
497 words

Problem Statement

Learn how to diagnose and fix the blower motor issue in Tesla Outback that only works on high speed. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component
HVAC
Estimated Time
1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical components to avoid shock or short circuits.

Symptoms

  • •Blower motor operates only at high speed
  • •Inability to adjust fan speed to low or medium settings
  • •Possible unusual noises from the blower motor at high speed
  • •Climate Control warning message on the dashboard
  • •Reduced cabin comfort due to lack of variable airflow

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

  • ✓Test the affected component to ensure it functions correctly
  • ✓Check for any error codes or warning lights
  • ✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • •Multimeter
  • •OBD-II scanner
  • •Screwdriver set
  • •Socket set

Parts Required

  • •Blower motor resistor
  • •Blower motor

Additional Information

Affected Component
HVAC
Estimated Time
1-2 hours
Difficulty
medium
Severity
medium
Tools Required
4 items
Parts Required
2 items

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Solution
1. Preparation
  • Ensure the vehicle is parked on a level surface and the ignition is off.
  • Disconnect the negative terminal of the battery to prevent electrical shock.
2. Remove the Blower Motor
  • Locate the blower motor assembly, typically found under the dashboard on the passenger side.
  • Remove any panel or cover that obstructs access to the blower motor.
  • Disconnect the electrical connector from the blower motor.
  • Unscrew and remove the blower motor from its mounting bracket.
3. Replace the Blower Motor Resistor
  • Locate the blower motor resistor, usually near the blower motor itself.
  • Disconnect the electrical connector from the resistor.
  • Remove the mounting screws and take out the resistor.
  • Install the new blower motor resistor by reversing the removal steps.
  • Ensure the connector is securely attached.
4. Reinstall the Blower Motor
  • Place the blower motor back into its mounting bracket.
  • Reconnect the electrical connector to the blower motor.
  • Secure the motor with screws and reinstall any panels or covers that were removed.
5. Reconnect Battery and Test
  • Reconnect the negative battery terminal.
  • Start the vehicle and test the blower motor at all speed settings to ensure it functions properly.