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Mazda CX-5 Service & Repair Manual: Tire Pressure Monitoring System (TPMS)

Mazda CX-5 Service & Repair Manual / Suspension / Wheels, Tires / Tire Pressure Monitoring System (TPMS)

Purpose, Outline

System structural view


System wiring diagram


Function


Part name

Function

DSC HU/CM

  • Calculates the change in tire pressure based on the signals from each sensor and monitors the change in status.

  • When it is determined that a tire pressure decreases below the specified value based on the initialization, the tire pressure monitoring system warning light is illuminated.

  • The tire pressure monitoring system warning light illumination signal is sent to the instrument cluster via a CAN signal.

  • If a malfunction occurs in the tire pressure monitoring system, determination is made to flash the tire pressure monitoring system warning light.

  • The tire pressure monitoring system warning light flash signal is sent to the instrument cluster via a CAN signal.

ABS wheel-speed sensor

  • The wheel speed is sent to the DSC HU/CM.

Ambient temperature sensor

  • The ambient temperature is sent to the PCM.

PCM

  • The ambient temperature is sent to the DSC HU/CM via a CAN signal.

PCM

BARO sensor

  • The atmospheric pressure is sent to the DSC HU/CM via a CAN signal.

Instrument cluster

Tire pressure monitoring system warning light

  • The tire pressure monitoring system warning light illuminates by the illumination signal from the DSC HU/CM.

  • The tire pressure monitoring system warning light flashes for approx. 1 min by the flash signal from the DSC HU/CM, and then it illuminates.

Tire pressure monitoring system warning alarm

  • The tire pressure monitoring system warning alarm sound is triggered by the warning alarm request signal from the DSC HU/CM.

Instrument cluster

  • The initialization signal is sent to the DSC HU/CM via a CAN signal.

Tire pressure monitoring system set switch

  • The initialization signal is sent to the instrument cluster.


Operation

The tire pressure monitoring system operates as shown in the following figure.


Mis-use prevention logic

Tire pressure monitoring system warning light does not illuminate

Tire pressure monitoring system does not operate normally

Wheels And Tires
Outline An adhesive-type balance weights has been adopted to the outer side of the aluminum alloy wheels. Due to this, a stylish wheel design is realized. In consideration of the e ...

Tire Pressure Monitoring System Initialization Procedure
Perform the tire pressure monitoring system initialization when the following operations have been performed: Tire pressures have been adjusted Tires or wheels have ...

Other materials:

Door Lock Switch Removal/Installation
Driver's Side NOTE: The driver's side door lock switch cannot be removed as a single unit because it is built into the power window main switch. If the driver's side door lock switch is replaced, replace the power window main switch.. Passenger's Side 1. Disconn ...

Pre Delivery Inspection
Pre?Delivery Inspection Table Exterior INSPECT and ADJUST, if necessary, the following items to specification: ?Glass, exterior bright metal and paint for damage ?Wheel lug nuts ?All weatherstrips for damage or detachment ?Adjust tire pressures to specification Adjust the tire pr ...

Identification Number Locations
Vehicle Identification Number (VIN) If the VIN plate is adhered to the dashboard, it is located in the position shown in the figure. Engine Type/Number SKYACTIV-G 2.0 SKYACTIV-G 2.5 ...

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