Mazda CX-5 Service & Repair Manual: Tire Pressure Warning Alarm
Purpose
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The tire pressure warning alarm warns the user that a tire pressure has decreased or notifies the user that the tire pressure warning alarm has been reset.
Function
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If the instrument cluster receives a tire pressure warning alarm request signal sent from the DSC HU/CM via the CAN signal, the tire pressure warning alarm is sounded.
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The tire pressure warning alarm sound pattern is as follows: For the conditions in which each alarm pattern sounds, refer to TIRE PRESSURE MONITORING SYSTEM (TPMS).
Tire pressure monitoring system operating
Tire pressure monitoring system initialization
Construction
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The tire pressure warning alarm sounds using the buzzer built into the instrument cluster.
Operation
1. The instrument cluster receives (1) the tire pressure warning alarm request signal from the DSC HU/CM.
2. The instrument cluster microcomputer turns the transistor on (2) based on the tire pressure warning alarm request signal.
3. When the transistor turns on, the ground circuit of the alarm is established and the alarm sounds (3).
Fail-safe
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Function not equipped.
Tire Pressure Monitoring System Warning Light
Purpose, Function
The tire pressure monitoring system warning light notifies the driver that
it was determined that a tire pressure has decreased below the specified value
based on the ...
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HLA Troubleshooting
Item
Occurrence
Possible cause
Action
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Rear Washer Nozzle Adjustment
CAUTION:
If the nozzle angle is adjusted with excessive force by strongly inserting
a needle or similar thin tool into the injection nozzle of rear washer nozzle,
it could damage the nozzle internally. When adjusting the nozzle, be careful
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Blind Spot Monitoring (Bsm) Control Module
Purpose
Controls the blind spot monitoring (BSM) system.
Function
The BSM control module emits microwaves to detect an oncoming vehicle's position
and speed information via the reflected microwaves.
The BSM system is controlled based on the detected vehicle positio ...
