Mazda CX-5 Service & Repair Manual: Lights On Reminder Warning Alarm
Purpose
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The lights-on reminder warning alarm notifies the driver that the TNS and headlights are not turned off.
Function
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The instrument cluster receives the following vehicle condition signals via the CAN signal from the start stop unit and rear body control module (RBCM).
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TNS switch ON signal from start stop unit (TNS and headlights illuminate)
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Driver's front door latch switch ON signal from rear body control module (RBCM)
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If the ignition is switched to OFF or ACC when all the above vehicle condition signals are received, the instrument cluster operates the lights-on reminder alarm.
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The lights-on reminder warning alarm sound pattern is as shown in the figure.
Construction
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The lights-on reminder warning 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 and driver's front door latch switch ON signal from the rear body control module (RBCM).
2. When the ignition is switched to OFF or ACC while each signal is received, the instrument cluster turns on (2) the transistor.
3. When the transistor turns on, the ground circuit of the alarm is established and the alarm sounds (3).
Fail-safe
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Function not equipped.
Lights On Indicator Light
Purpose
Notifies the user that the TNS or the headlights (LO) are on.
Function
Illuminates when the illumination conditions for the TNS, headlights (LO),
or parking lights are m ...
Low Engine Coolant Temperature Indicator Light (Blue)/High Engine Coolant Temperature
Warning Light (Red)
Purpose
Low engine coolant temperature indicator light (blue)
The low engine coolant temperature indicator light (blue) notifies the driver
that the engine coolant temperature is low and va ...
Other materials:
Exhaust Gas Purification System
Purpose, Outline
Purifies contaminants (HC, CO, NOx) in the exhaust gas by utilizing the chemical
reactions of the three-way catalytic converter.
System Diagram
Structure
The exhaust gas purification system consists of the following parts:
Par ...
PCM
Purpose/Function
High-level driveability and lower fuel consumption have been realized by
controlling the appropriate engine conditions (fuel injection/ignition timing)
according to operation conditions.
Controls each output part based on the signal from each input part.
...
Front Door Key Cylinder Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the service hole cover.
3. Detach the screw from the front door key cylinder.
NOTE:
The screw cannot be removed because the front outer handle bracket has a
stopper which prevents the screw from falling.
4. While pre ...
