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:
Drive Belt Auto Tensioner Inspection
WARNING:
A hot engine can cause severe burns. Turn off the engine and wait until it
is cool before servicing.
CAUTION:
If the rubber part of the drive belt auto tensioner is damaged by a screwdriver
or other tool, oil in the hydraulic pressure unit could leak and the tens ...
Front Map Light
Purpose
The front map lights shine light at the front of the vehicle interior.
Function
The front map lights illuminate when the map light switch is turned on.
Illuminates according to the lock condition of the driver's door and open/close
conditions of the doors u ...
PCM Inspection
Without Using the M-MDS
NOTE:
Because the PCM uses a waterproof connector, the inspection for the voltage/wave
pattern cannot be performed. The following values are for reference.
Terminal voltage table (Reference)
Terminal
Signal
C ...
