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:
Heated Oxygen Sensor (HO2 S) Heater Control
Outline
Based on the control of the HO2S heater, a stabilized oxygen concentration
is detected even at low exhaust temperatures, and feedback control of fuel injection
even at cold engine start is made possible for improved cold temperature exhaust
emission performance.
Both ...
Engine Coolant Temperature (ECT) Sensor Inspection
Resistance Inspection
WARNING:
When the engine is hot, it can badly burn. Turn off the engine and wait until
it is cool before removing the ECT sensor.
ECT Sensor No.1
1. Remove the ECT sensor No.1..
2. Place the ECT sensor No.1 in water with a thermometer, and heat the water
...
Theft-Deterrent System
If the theft deterrent system detects an inappropriate entry into the vehicle,
which could result in the vehicle or its contents being stolen, the alarm alerts
the surrounding area of an abnormality by sounding the horn and flashing the hazard
warning lights.
The system will not function unle ...
