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.
Panel Light Control Indicator Alarm
Purpose
The panel light control indicator alarm notifies the driver that the panel
light brightness is either at maximum or minimum.
Function
If the panel light control switch i ...
Seat Belt Warning Alarm
Purpose
The seat belt warning alarm warns occupants that a seat belt is not fastened.
Function
The instrument cluster sounds the seat belt warning alarm based on the following
C ...
Other materials:
Front Combination Light
Purpose
Parts related to the front exterior lights are grouped and housed together
such as the headlight, front turn/parking light, headlight leveling actuator,
wiring harnesses, and connectors.
Function
Each light illuminates or flashes when the light switch, turn switch, ...
Forced Ignition On
NOTE:
In order to perform a forced ignition ON, the M-MDS is necessary. If the
servicing is being done outside of an Authorized Mazda dealership, contact an
Authorized Mazda dealership for instructions.
The forced ignition ON procedure forces a power supply to each part when
...
Front ABS Wheel Speed Sensor Inspection
Sensor Output Value Inspection
CAUTION:
Resistance inspection using other testers may cause damage to the ABS wheel-speed
sensor internal circuit. Be sure to use the M-MDS to inspect the ABS wheel-speed
sensor.
1. Switch the ignition to off.
2. Connect the M-MDS to the DLC-2. ...
