If The Tire Pressure Warning System Is Not Functioning - Toyota RAV 4 2015 Service Manual

When a tire is replaced with a compact spare tire (vehicles with a
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compact spare tire and the tire pressure warning system)
The compact spare tire is not equipped with a tire pressure warning valve
and transmitter. If a tire goes flat, the tire pressure warning light will not
turn off even though the flat tire has been replaced with the spare tire.
Replace the spare tire with the standard tire and adjust the tire inflation
pressure. The tire pressure warning light will go off after a few minutes.

If the tire pressure warning system is not functioning

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The tire pressure warning system will be disabled in the following condi-
tions:
(When the condition becomes normal, the system will work properly.)
If tires not equipped with tire pressure warning valves and transmitters
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are used
If the ID code on the tire pressure warning valves and transmitters is not
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registered in the tire pressure warning computer
If the tire inflation pressure is 73 psi (500 kPa, 5.1 kgf/cm
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higher
The tire pressure warning system may be disabled in the following condi-
tions:
(When the condition becomes normal, the system will work properly.)
If electronic devices or facilities using similar radio wave frequencies are
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nearby
If a radio set at a similar frequency is in use in the vehicle
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If a window tint that affects the radio wave signals is installed
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If there is a lot of snow or ice on the vehicle, particularly around the
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wheels or wheel housings
If non-genuine Toyota wheels are used (Even if you use Toyota wheels,
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the tire pressure warning system may not work properly with some types
of tires.)
If tire chains are used
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If the tire pressure warning light frequently comes on after blinking
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for 1 minute (vehicles with the tire pressure warning system)
If the tire pressure warning light frequently comes on after blinking for 1
minute when the engine switch is turned to the "ON" position (vehicles
without a smart key system) or IGNITION ON mode (vehicles with a
smart key system), have it checked by your Toyota dealer.
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7-2. Steps to take in an emergency
I n f o r ma t i o n P r o v i d e d b y :
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