Mazda CX-5 Service & Repair Manual: Power Steering Malfunction Indicator Light

Purpose

• The power steering malfunction indicator light warns the driver that there is a malfunction with the electric power steering (EPS) system.

Function

• If there is a malfunction in the EPS system, the power steering malfunction indicator light illuminates.

• If the EPS system and CAN lines are normal, it illuminates when the ignition is switched ON (engine off), and turns off after the engine is started.

Construction

• The power steering malfunction indicator light is built into the instrument cluster.

  

  
  

Operation

EPS system malfunction detection

• If the EPS control module (CM) detects a system malfunction, it sends a power steering malfunction indicator light illumination on request signal to the instrument cluster via CAN.

• The instrument cluster illuminates the power steering malfunction indicator light when it receives a power steering malfunction indicator light illumination on request signal.

Initial check

• If the EPS system and CAN lines are normal, it illuminates when the ignition is switched ON (engine off), and turns off after the engine is started. If there is a system malfunction, the power steering malfunction indicator light illuminates.

Fail-safe

• Function not equipped.