Mazda CX-5 Service & Repair Manual: Panel Light Control Indicator Alarm
Purpose
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The panel light control indicator alarm notifies the driver that the panel light brightness is either at maximum or minimum.
Function
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If the panel light control switch is in the maximum rotation position right or left when the TNS switch ON signal (TNS and headlights illuminate) sent from the start stop unit via the CAN signal is received, the instrument cluster sounds the panel light control indicator alarm.
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The panel light control indicator alarm sound pattern is as shown in the figure.
Construction
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The panel light control indicator alarm sounds using the buzzer built into the instrument cluster.
Operation
1. The instrument cluster receives (1) the TNS switch ON signal from the start stop unit.
2. If the maximum rotation position of the panel light control switch is detected (2) when the TNS switch ON signal is received, the instrument cluster microcomputer turns on (3) the transistor.
3. When the transistor turns on, a ground circuit with the alarm is established and the alarm sounds (4).
Fail-safe
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Function not equipped.
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
...
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 malfunc ...
Other materials:
Precaution
Intermittent Concern Troubleshooting
Vibration method
If a malfunction occurs or becomes worse while driving on a rough road or
when the engine is vibrating, perform the following steps.
NOTE:
There are several reasons why vehicle or engine vibration could cause an
electr ...
Electric Power Steering (Eps) Motor
Purpose, Function
The EPS motor is driven by the control current from the EPS CM (control module)
and generates assist torque to manual steering mechanism.
Construction
The EPS motor is installed to the steering column with an integrated EPS
CM.
The EPS motor is a b ...
Heated Oxygen Sensor (HO2 S) Inspection
HO2S Inspection
1. Connect the M-MDS to the DLC?2.
2. Switch the ignition ON (engine on).
3. Warm up the engine to normal operating temperature.
4. Access the following PIDs using the M-MDS..
VSS (Vehicle speed)
RPM (Engine speed)
O2S12 (HO2S output voltage)
5. D ...
