How to turn on 4 wheel drive mazda cx 5

Maybe this is already general knowledge, but we got our first snow of the season today so I thought I’d share. My RAV4 had a button to lock in 4WD (again, simulated) in loose/rough conditions and it saved me quite a few times in rough winter conditions so when I got my 2018 Touring I did some research and found a page from Mazda that essentially says that you can do the same thing by simply turning off the traction control system. Pretty cool!

https://insidemazda.mazdausa.com/the-mazda-way/technology/whats-the-diff-mazda-cx-5-unlocks-secret-off-road-mode/

Edit: Seems like for 2020 Mazda has actually renamed the “TCS Off” button to be the “Off-Road Traction Assist” button. But it sounds like it still does the same thing! Free upgrade! ;)

From the 2020 CX-5 press release:

Another all-new feature on the 2020 CX-5 is off-road traction assist, which replaces the traction control button and can potentially help the driver when adventuring on uneven terrain. When the diagonal wheels lose traction, off-road traction assist will stop reducing the engine torque and increase the brake force on the wheels without traction. This transfers power to the wheels still on the ground to help allow the vehicle to regain traction and continue the drive.

From Mazda website, regarding model years previous to 2020:

In any other situation, we want the traction control system to apply the brakes as smoothly as possible, so there’s no interruption in the driver’s control of the car. But in situations where an abrupt power shift is necessary—like this diagonal twist off-road situation—pressing the “TCS OFF” button actually switches the CX-5 to a mode that simulates locking differentials via the brakes, sending power to the wheels on the ground.... In constantly striving to make vehicles better to satisfy customer needs and wants, CX-5 has adopted an innovative solution that makes it just as athletic on rough roads as it is on the cleanest stretches of canyon curves. And now you know how to unlock it. Just press a button.

Outline

• The electronic all-wheel drive (AWD) control system automatically and optimally controls drive torque distribution for the front and rear wheels. Due to this off-road mobility and driving stability are improved.

• Based on the input signals from each sensor, the AWD control module (CM) determines vehicle driving and road conditions, and controls output current to the electronic control coupling (AWD solenoid) inside the rear differential. This control allows for optimal distribution of the drive torque from the engine to the rear wheels.

• Also, the AWD CM automatically controls the AWD, greatly reducing the load on the driver and improving operability.

Structural View

Structure

• Consists of the following parts:

System Diagram

Features

• Based on the inputted signals listed below, the AWD CM calculates the optimal amount of torque distribution for the rear wheels and outputs a corresponding electric control current to the electronic control coupling (AWD solenoid).

• The module controls the current outputted to the AWD solenoid by changing the rate of the ON/OFF timing.

Block Diagram

Operation

Normal Control

• When starting off or accelerating during straight-ahead driving, torque transmitted to the rear wheels is optimally controlled to ensure sufficient acceleration performance. Due to this, standing-start and acceleration performance is improved.

• If a parking brake signal input to the AWD CM indicates, the module controls the torque transmitted to the rear wheels.

Tight Cornering Control

• When the AWD CM determines that the vehicle is in tight cornering, it reduces the torque transmitted to the rear wheels to avoid tight corner braking characteristics.

Integrated DSC Control

• If a signal from the DSC HU/CM input to the AWD CM indicates that ABS control is activated, the module controls the torque transmitted to the rear wheels to prevent undue influence on ABS control.

• Also, when a coupling torque request signal is received from the DSC HU/CM, the module controls the torque transmitted to the rear wheels to match the amount of requested torque.

Other Control

• In case the rear differential oil temperature exceeds the specified amount, or when there is an unusually large variation in the rotation speed of the front and rear wheels (ex. when trying to get unstuck), control is temporarily suspended in order to protect the AWD system. When this occurs the AWD warning light flashes to indicate the situation to the driver.

Awd Control Module

Purpose, Function The AWD CM calculates the optimal amount of torque distribution for the rear wheels and outputs a corresponding electric current to the electronic control coupling (AWD ...

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