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 ...
Other materials:
Hood Latch Switch
Purpose
Detects the open/closed condition of the hood.
Function
The hood latch switch is utilized in the theft-deterrent system control.
For the theft-deterrent system, refer to (see THEFT-DETERRENT SYSTEM.).
Construction
Built into the hood latch ...
Master Cylinder Removal/Installation
1. Remove the battery..
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.
4. After installation, add brake fluid, bleed the air, and inspect for fluid
leakage..
1
Brake fluid level sensor connector
2
...
Mass Air Flow (MAF) Sensor
Purpose/Function
Detects the intake airflow amount introduced into the cylinder as basic information
for mainly determining the fuel injection amount.
Detects the intake airflow amount introduced into the cylinder and inputs
it to the PCM as an intake airflow amount signal.
...
