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:
Headliner
Purpose/Function
The headliner is equipped with a shock absorbing pad for driver's head protection
during a collision.
Construction
The front and rear side of the headliner is equipped with a shock absorbing
pad with a plastic rib-pad structure.
...
Ion Sensor
Purpose/Function
Detects ion generation in the combustion chamber for detecting pre-ignition.
Detects ions which occur due to fuel combustion as current by applying bias
voltage to the spark plug, which is amplified in the ignition coil internal
circuit and input to the PCM.
...
Fuel Pump Control
Outline
By switching the fuel pump discharge amount, reduced power consumption and
improved fuel economy have been realized.
The PCM determines the optimum fuel pump drive force according to the engine
operation conditions, and sends the fuel pump drive signal to the fuel pump
...
