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Use an ohmmeter to measure the resistance between the terminals. Check that the measured value is at the standard value.
Standard value:
Measurement terminal
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Standard value (Ω)
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Between terminals 2 and 4 (LO)
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2.54
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Between terminals 1 and 2 (ML)
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1.24
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Between terminals 2 and 3 (MH)
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0.6
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| BLOWER FAN AND MOTOR CHECK
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When battery voltage is applied between the terminals, check that the motor operates. Also, check that there is no abnormal noise.
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| OUTSIDE/INSIDE AIR SELECTION DAMPER CONTROL MOTOR CHECK <LH drive vehicles>
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 CAUTION
Cut off the battery voltage when the damper is in the inside/outside air position.
Lever position
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Battery connection
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Lever operation
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At the inside position
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- Connect terminal 7 to the positive battery terminal
- Connect terminal 4 to the negative battery terminal
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The lever moves from the inside position to the outside position
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At the outside position
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- Connect terminal 7 to the positive battery terminal
- Connect terminal 6 to the negative battery terminal
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The lever moves from the outside position to the inside position
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| OUTSIDE/INSIDE AIR SELECTION DAMPER CONTROL MOTOR CHECK <RH drive vehicles>
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 CAUTION
Cut off the battery voltage when the damper is in the inside/outside air position.
Lever position
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Battery connection
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Lever operation
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At the inside position
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- Connect terminal 7 to the positive battery terminal
- Connect terminal 6 to the negative battery terminal
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The lever moves from the inside position to the outside position
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At the outside position
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- Connect terminal 7 to the positive battery terminal
- Connect terminal 4 to the negative battery terminal
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The lever moves from the outside position to the inside position
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