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Mazda CX-5 Service & Repair Manual: Cruise Control System

Outline

Component and function

Component

Function

DSC HU/CM

(CAN communication: Vehicle speed signal)

The vehicle speed signal is sent to the PCM from the DSC HU/CM.

Cruise control switch

ON

The cruise control system main switch. The cruise control system goes into standby with the operation of the switch.

OFF

The cruise control system main switch. The cruise control system is turned off with the operation of the switch.

SET (+)

  • If the switch is pressed when the vehicle speed exceeds 25 km/h {16 mph} with the system in standby, the vehicle speed at the point when the switch is pressed is stored in the PCM and the system initiates the cruise control.

  • The PCM controls acceleration by the pressing of the switch (tap-up operation) or when the switch is continuously pressed during cruise control.

SET (?)

  • If the switch is pressed when the vehicle speed exceeds 25 km/h {16 mph} with the system in standby, the vehicle speed at the point when the switch is pressed is stored in the PCM and the system initiates the cruise control.

  • The PCM controls deceleration by the pressing of the switch (tap-down operation) or when the switch is continuously pressed during cruise control.

RESUME

If the switch is pressed when the vehicle speed exceeds 25 km/h {16 mph} with the system in standby and the previous pre-set vehicle speed is stored in the PCM, the system initiates the cruise control so that the vehicle speed is the pre-set vehicle speed stored in the PCM.

CANCEL

If the switch is pressed during cruise control, the cruise control system goes into standby (pre-set vehicle speed is stored).

Brake switch

Depressing the brake pedal during cruise control switches the cruise control system to standby mode (pre-set vehicle speed is stored).

CPP switch (MTX)

Depressing the clutch pedal during cruise control switches the cruise control system to standby mode (pre-set vehicle speed is stored).

Neutral switch (MTX)

Shifting to neutral during cruise control switches the cruise control system to standby mode (pre-set vehicle speed is stored).

TCM (ATX)

(CAN communication: gear signal)

If the following operation is performed during cruise control, the cruise control system goes into standby mode (pre-set vehicle speed is stored).

  • The selector lever is shifted from D position to N position.

DSC HU/CM

(CAN communication: Brake pressure)

If the brake pressure exceeds 0.3 MPa

, the cruise control system goes into standby mode (pre-set vehicle speed is stored).

Parking brake switch

If the parking brake is applied, the cruise control system goes into standby mode (pre-set vehicle speed is stored).

TCM (ATX)

(CAN communication: diagnosis signal)

If there is a malfunction with the AT, the cruise control system goes into standby mode (pre-set vehicle speed is stored).

PCM

The cruise control system is executed or stopped according to the cruise control switch signals. The throttle valve actuator is operated so that the vehicle speed is the pre-set vehicle speed during cruise control system.

Throttle valve actuator

The duty signal sent from the PCM adjusts the throttle valve opening angle.

Cruise main indicator light (Amber)

(See CRUISE MAIN INDICATOR LIGHT (AMBER) [SKYACTIV-G 2.0].)

Cruise set indicator light (Green)

(See CRUISE SET INDICATOR LIGHT (GREEN) [SKYACTIV-G 2.0].)


Structural View


Block Diagram


Cruise Control Switch Inspection
1. Disconnect the negative battery cable and wait for 1 min or more.. 2. Remove the driver?side air bag module.. 3. Disconnect the clock spring connector (part wiring harness-side). 4. Measure ...

Cruise Main Indicator Light (Amber)
Purpose/Function Illuminates while the cruise control system is in standby mode to inform the driver that the cruise control system is on standby. Construction Built into the in ...

Other materials:

Auxiliary Jack/Usb Port Inspection
Auxiliary jack inspection 1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Upper console. b. Auxiliary jack/USB port. 3. Connect a commercially-available plug to the external input unit. 4. Verify that the continuity between the external input unit terminal ...

PCM
Purpose/Function High-level driveability and lower fuel consumption have been realized by controlling the appropriate engine conditions (fuel injection/ignition timing) according to operation conditions. Controls each output part based on the signal from each input part. ...

Quick Release (Fuel System) Connector
Purpose, Function Serviceability has been improved by the easy disconnection/connection. Construction The following types of the quick release connectors are used. U.S.A. and CANADA Except U.S.A. and CANADA Type A An SST is not used with this type. ...

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