2021 Mazda CX-3 Service and Repair Manual

This factory service and repair manual for the 2021 Mazda CX-3 relates to a 4-door sport utility offered in GS, GT, GX, i Grand Touring, I Sport and Sport trims. Power for the six trims comes from a 2.0L inline-four (122 cu in) with dual overhead camshafts, fed gasoline and naturally aspirated. Wiring diagrams and diagnostics cover the electrical system, and procedures, specifications and torque values address the engine and its fuel, ignition and cooling systems as well as the transmission, brakes, suspension and steering.

Engines covered

• 2.0L inline-four (122 cu in) — DOHC, naturally aspirated, gasoline

Body styles covered

• 4-door sport utility

Trims covered

• GS
• GT
• GX
• i Grand Touring
• I Sport
• Sport

Known issues on the 2021 CX-3. For the 2021 CX-3, the federal record shows 1 recall, for certain vehicles in which the rearview camera may flicker or display a distorted image and limit the view behind; the fix consisted of a camera inspection, replacement where necessary and a new harness fastening seal. Steering accounts for 3 of the 4 owner complaints, and the electrical system, forward collision avoidance and service brakes are named once apiece. Steering and brake procedures, specifications and torque values, and wiring diagrams for the electrical system and camera, are in the manual.