Mazda CX-5 Service & Repair Manual: Power Steering Malfunction Indicator Light
Purpose
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The power steering malfunction indicator light warns the driver that there is a malfunction with the electric power steering (EPS) system.
Function
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If there is a malfunction in the EPS system, the power steering malfunction indicator light illuminates.
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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
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The power steering malfunction indicator light is built into the instrument cluster.
Operation
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EPS system malfunction detection
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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.
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The instrument cluster illuminates the power steering malfunction indicator light when it receives a power steering malfunction indicator light illumination on request signal.
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Initial check
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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
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Function not equipped.
Oil Control Valve (OCV) [Skyactiv G 2.0]
Purpose, Function
The OCV switches the oil passage to the hydraulic variable valve timing actuator
to control the opening/closing period of the exhaust valve.
Construction
The O ...
Pressure Control Valve Inspection [Skyactiv G 2.0]
1. Remove the pressure control valve assembly..
CAUTION:
Do not apply a pressure 36 kPa {0.37 kgf/cm2, 5.2 psi} or more. Doing so
will damage the pressure control valve and evaporative ho ...
Other materials:
ABS Control
Outline
ABS control occurs when wheel slip is determined by the DSC CM (based on
the four ABS wheel-speed sensors). Then, the DSC HU inlet and outlet solenoid
valves are operated and brake fluid pressure is controlled accordingly to prevent
wheel lock-up.
Feature
Use of ...
Liftgate Opener System
Outline
A liftgate opener system has been adopted in which the liftgate can be opened
just by pressing the liftgate opener switch.
The rear body control module (RBCM) performs liftgate opener system fail-safe..
Function
When the liftgate opener switch is pressed, the l ...
Master Warning Light
Purpose
The master warning light warns the driver that any of the following malfunctions
is occurring.
Brake switch malfunction
Engine oil solenoid valve malfunction
Automatic configuration malfunction
Function
The instrument cluster i ...
