Question about 2003 Suzuki Aerio

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2003 Suzuki Aerio Blower Fan

I was didving down the road and the fan quit working. I looked at parts and a new blower fan cost around $300 w/o labor and I was hoping it was a fuse....I looked at the fuse boxes and it didn't seem to have any blown fuses. I am not thrilled to spend that much money but I do live in Arizona. One shop said it would cost $95 just to diagnose the problem.

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Mine did the same thing and I found the connector on the blower wiring harness was all melted and chared from overheating. I took out the blower assembly, cleaned the connector terminals, cut off the melted wiring harness connector and crimped on new female connectors. Seems to work ok now, I just hope it doesn't melt again

Posted on Jul 22, 2009

  • hegemon13 Dec 16, 2010

    Where did you find the female connector? One mine, the jacket on the wires is more melted than the connector, and it caused a short. I can see bare wires leading into the connector, and if I jiggle the wire with the fan switch on, the bare wires spark and the fan goes a little bit. I need to cut off the damaged wiring and crimp on a new connector, but I don't know where to buy a connector.


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Check for blower motor relay,,,blower resister may have went all the way out take motor out and check with 12 volts directley to it really need to envest in a test light ground the test light ,and turn key on,,,touch both sides of fuse at the top where the metel is exposed ,both sides should light up ,if only one side lights up ur fuse is blown the test light is no t expenseve at all,7 to 8 dollars test all fuses in the fuse boxes,yes there is probley one under the hood,test all fuses not just the one for ac or heater fan

Posted on Jul 03, 2009


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please post accurate symptoms
does the fan blow fast on high, is the first question.
sure going down road works that is the natural cowl vent doing that,
free air.
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ever consider looking there first?
see chapter called HVAC here.
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Component location diagrams for most 2003 Suzuki Aerio cars and light trucks sold in the U.S. from 1990+.
clsk2003aeri003.gifIgnition System Components Location Diagram for 2003 Suzuki Aerio 2.0 L4 GAS
Components on diagram:
  • TP Sensor
  • Ignition Coil
  • ECM
  • MAF Sensor
  • CMP Sensor
  • clsk2003aeri007.gifElectronic Shift Control System Components Location Diagram for 2003 Suzuki Aerio 2.0 L4 GAS
    Components on diagram:
  • Data Link Connector
  • Transmission Range Sensor
  • Throttle Position Sensor
  • Pressure Control Solenoid Valve
  • Battery
  • clsk2003aeri010.gifInstrument Panel For Connector Layout Diagram Diagram for 2003 Suzuki Aerio SX 2.0 L4 GAS
    Components on diagram:
  • Clutch Switch
  • Thermistor
  • Brake Light Switch
  • Blower Motor Relay
  • Heater Fan Motor
  • clsk2003aeri011.gifInstrument Panel Harness Diagram for 2003 Suzuki Aerio SX 2.0 L4 GAS
    Components on diagram:
  • Wiper Switch
  • Washer Switch
  • Data Link Connector
  • Turn Signal Relay
  • Radio
  • clsk2003aeri015.gifHeadlight System Location Diagram for 2003 Suzuki Aerio SX 2.0 L4 GAS
    Components on diagram:
  • Headlight Relay
  • Headlight
  • Clearance Light
  • Headlight Diode
  • Clearance Light Relay
  • clsk2003aeri022.gifFuel System Components Diagram for 2003 Suzuki Aerio SX 2.0 L4 GAS
    Components on diagram:
  • Fuel Pump Relay
  • Fuel Tank Pressure Sensor
  • EVAP Canister
  • Fuel Tank Pressure Control Valve
  • Fuel Filler Cap
  • clsk2003aeri027.gifFloor For Single Unit Parts Diagram for 2003 Suzuki Aerio 2.0 L4 GAS
    Components on diagram:
  • Wheel Speed Sensor
  • ABS Control Module
  • G Sensor
  • Air Bag Control Module
  • EVAP Canister Vent Valve
  • clsk2003aeri030.gifInstrument Panel For Ground Point Diagram for 2003 Suzuki Aerio SX 2.0 L4 GAS
    Components on diagram:
  • Instrument Panel Ground Points
  • clsk2003aeri036.gifEngine Compartment For Single Unit Parts Diagram for 2003 Suzuki Aerio 2.0 L4 GAS
    Components on diagram:
  • Throttle Position Sensor
  • Horn Relay
  • Radiator Fan Control Relay
  • Cruise Control Module
  • Condenser Fan Relay
  • clsk2003aeri037.gifEngine Compartment Components Diagram for 2003 Suzuki Aerio SX 2.0 L4 GAS
    Components on diagram:
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  • Knock Sensor
  • Noise Suppressor
  • Heated Oxygen Sensor
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