Mazda CX-5 Service & Repair Manual: Lights On Indicator Light
Purpose
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Notifies the user that the TNS or the headlights (LO) are on.
Function
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Illuminates when the illumination conditions for the TNS, headlights (LO), or parking lights are met.
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When the instrument cluster receives the TNS malfunction signal sent via CAN communication from the front body control module (FBCM), the indicator flashes.
Construction
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Displayed in the instrument cluster.
Operation
1. When the light switch is operated to the TNS, HEAD, or parking position, a light switch TNS, LO, or parking signal is sent to the start stop unit.
2. The start stop unit sends the light switch TNS, LO, or parking signal to the front body control module (FBCM).
3. The front body control module (FBCM) sends the light switch TNS, LO, or parking signal to the instrument cluster as a TNS illumination or headlight LO illumination signal.
4. When the instrument cluster receives the TNS illumination, or headlight LO illumination signal, it illuminates the lights-on indicator light.
Fail-safe
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Function not equipped.
Key Warning Light (Red)/Key Indicator Light (Green)
Purpose
KEY warning light (red)
The KEY warning indicator light (red) notifies the user that the engine cannot
be started, the remote transmitter is outside of the vehicle, or that there
...
Lights On Reminder Warning Alarm
Purpose
The lights-on reminder warning alarm notifies the driver that the TNS and
headlights are not turned off.
Function
The instrument cluster receives the following vehicle c ...
Other materials:
Room Light Control System
Outline
The room light control system changes the illumination condition and illumination
level of the interior lights (door position) according to whether the doors
are opened/closed and locked/unlocked.
The room light control system is controlled by the rear body control modul ...
Purge Solenoid Valve Inspection
Airflow Inspection
1. Disconnect the negative battery cable..
2. Remove the purge solenoid valve..
3. Inspect airflow between the ports under the following conditions.
Measured condition
Continuity between ports A—B
When voltage is not ...
Auto Light System
Outline
The auto light system automatically turns the TNS and headlights on/off according
to the illumination level above and in front of the vehicle.
The auto light system is controlled by the front body control module (FBCM).
The front body control module (FBCM) performs ...
