Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 796 (AIR CONDITIONING)BLOWER MOTOR CONTROL RELAYINSPECTION

2004 Toyota Matrix XR, FWD, Standard

Blower Motor Control Relay: Inspection

2004 Toyota Matrix XR, FWD, StandardSECTION Inspection

WARNING: This page is about a different car, the 2004 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

REMOVE GLOVE COMPARTMENT DOOR (See REMOVAL )
REMOVE BLOWER MOTOR CONTROL RELAY
1. Disconnect the connectors.
2. Remove the screw and blower motor control relay.
  
  Fig 1: Removing Blower Motor Control Relay
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT BLOWER MOTOR CONTROL CIRCUIT
Inspect the wire harness side connector from the back side, as shown in Fig 2 .
1. Test conditions:
  - Turn ignition switch to ON
  - Operate blower motor (High blower speed)
Fig 2: Inspecting Blower Motor Control Circuit (Table) (1 Of 2)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If resistance is not as specified, replace the blower motor control relay.

Fig 3: Inspecting Blower Motor Control Circuit (2 Of 2)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL BLOWER MOTOR CONTROL RELAY
1. Install the blower motor control relay with the screw.
2. Connect the connectors.
INSTALL GLOVE COMPARTMENT DOOR (See INSTALLATION )

Fig 4: Installing Blower Motor Control Relay
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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

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