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:
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 ...
Tcs Control
Outline
The TCS control actuates torque reduction through engine control, as well
as using brake control to control traction.
NOTE:
Engine control: Engine output is lowered by fuel cut and ignition timing
control to reduce the traction, preventing driving wheel slip.
...
Hydraulic Variable Valve Timing Actuator
Purpose, Function
The hydraulic variable valve timing actuator operates according to the hydraulic
pressure and changes the phases of the exhaust camshaft. As a result, the open/close
period of the exhaust valve is changed, optimized valve timing in accordance
with driving conditions ...
