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 533 (HYBRID CONTROL SYSTEM)HYBRID BATTERY SYSTEMON-VEHICLE INSPECTION

2004 Toyota Matrix XR, FWD, Standard

On-Vehicle Inspection

2004 Toyota Matrix XR, FWD, StandardSECTION On-Vehicle Inspection

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

INSPECT BATTERY BLOWER ASSEMBLY
1. Check the operation.
  1. Connect the hand held tester to the DLC3.
    
    Fig 1: Connecting Hand Held Tester To DLC3
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Turn the power switch ON (IG).
  3. Select the item:
    DIAGNOSIS / OBD/MOBD / HV BATTERY / ACTIVE TEST / COOLING FAN SPD / 1 to 6.
  NOTE: If the check results are normal, do not perform the following check.
2. Inspect the resistance.
  1. Remove the service plug grip.
  2. Disconnect the connector of the battery blower motor.
  3. Using an ohmmeter, measure the resistance between terminals 1 and 2 of the connector.
    Standard: 9 Ω or less
    
    If the standard is not met, replace the battery blower assembly
    
    Fig 2: Measuring Resistance Between Terminals 1 & 2
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Inspect the voltage.
  1. Connect the connector of the blower motor.
  2. Using ohmmeter, measure the resistance between terminal 1 (GND) of the blower motor control connector and body ground.
    Standard: 1 Ω or less
  3. Connect the negative terminal of the auxiliary battery.
    Torque: 6.0 N.m (61 kgf.cm, 53 in.lbf)
    
    Fig 3: Identifying Blower Motor Control Connector Terminal 1 (GND)
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. Connect the hand held tester to the DLC3.
    
    Fig 4: Connecting Hand Held Tester To DLC3
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. Turn the power switch ON (IG).
  6. Select the item:
    DIAGNOSIS / OBD/MOBD / HV BATTERY / ACTIVE TEST / COOLING FAN SPD / 1.
  7. Using a voltmeter, measure the voltage between terminals 1 (GND) of the blower motor connector and the body ground.
    Standard: 9 to 14 V
    
    Fig 5: Identifying Blower Motor Connector Terminals
    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.