Mazda CX-5 Service & Repair Manual: DRL (Daytime Running Light) System
Outline
-
The DRL system automatically switches the headlights to HI beams (50% dim) or illuminates the DRL bulb when the ignition is switched ON (engine on), the parking brake is released, and the shift lever is in a position other than P (ATX).
-
The front body control module (FBCM) performs DRL system fail-safe..
Structural View
System Wiring Diagram
Halogen type
Discharge type
Operation (Halogen type)
Operation condition
—: Not applicable|
Engine switch |
Shift lever position (ATX) |
Parking brake switch |
Light switch |
Dimmer switch |
Flash-to-pass switch |
Headlight (LO) |
Headlight (HI) |
DRL mode |
|
ON |
Other than P position |
OFF (Parking brake lever released) |
OFF/TNS/AUTO*1 |
LO |
OFF |
OFF |
ON (DRL) |
ON |
|
ON |
— |
— |
— |
|||||
|
HI |
OFF |
OFF |
ON (DRL) |
ON |
||||
|
ON |
ON |
ON |
OFF |
|||||
|
HEAD |
LO |
OFF |
ON |
OFF |
OFF |
|||
|
ON |
— |
— |
— |
|||||
|
HI |
OFF |
ON |
ON |
OFF |
||||
|
ON |
ON |
ON |
OFF |
|||||
|
ON (Parking brake lever pulled) |
OFF/TNS |
LO |
OFF |
OFF |
OFF |
OFF |
||
|
ON |
— |
— |
— |
|||||
|
HI |
OFF |
OFF |
OFF |
OFF |
||||
|
ON |
ON |
ON |
OFF |
|||||
|
HEAD |
LO |
OFF |
ON |
OFF |
OFF |
|||
|
ON |
— |
— |
— |
|||||
|
HI |
OFF |
ON |
ON |
OFF |
||||
|
ON |
ON |
ON |
OFF |
|||||
|
OFF |
— |
— |
OFF/TNS |
LO |
OFF |
OFF |
OFF |
OFF |
|
ON |
— |
— |
— |
|||||
|
HI |
OFF |
OFF |
OFF |
OFF |
||||
|
ON |
ON |
ON |
OFF |
|||||
|
HEAD |
LO |
OFF |
ON |
OFF |
OFF |
|||
|
ON |
— |
— |
— |
|||||
|
HI |
OFF |
ON |
ON |
OFF |
||||
|
ON |
ON |
ON |
OFF |
*1 If the auto light sensor detects that the TNS and headlights are off when the light switch is in the AUTO position, the DRL illuminates.
1. If the DRL mode operation conditions are met, the front body control module (FBCM) turns on the DRL circuit transistor.
2. When the transistor turns on, the DRL relay turns on.
3. If the DRL relay turns on, the electrical current flows in-line relative to the left/right headlight (HI) circuits and the headlights (HI) turn on at half the brightness of normal illumination.
Operation (Discharge type)
Operation condition
—: Not applicable|
Engine switch |
Shift lever position (ATX) |
Parking brake switch |
Light switch |
Dimmer switch |
Flash-to-pass switch |
Headlight (LO) |
Headlight (HI) |
DRL |
DRL mode |
|
ON |
Other than P position |
OFF (Parking brake lever released) |
OFF/TNS/AUTO*1 |
LO |
OFF |
OFF |
OFF |
ON |
ON |
|
ON |
— |
— |
— |
— |
|||||
|
HI |
OFF |
OFF |
OFF |
ON |
ON |
||||
|
ON |
ON |
ON |
OFF |
OFF |
|||||
|
HEAD |
LO |
OFF |
ON |
OFF |
OFF |
OFF |
|||
|
ON |
— |
— |
— |
— |
|||||
|
HI |
OFF |
ON |
ON |
OFF |
OFF |
||||
|
ON |
ON |
ON |
OFF |
OFF |
|||||
|
ON (Parking brake lever pulled) |
OFF/TNS |
LO |
OFF |
OFF |
OFF |
OFF |
OFF |
||
|
ON |
— |
— |
— |
— |
|||||
|
HI |
OFF |
OFF |
OFF |
OFF |
OFF |
||||
|
ON |
ON |
ON |
OFF |
OFF |
|||||
|
HEAD |
LO |
OFF |
ON |
OFF |
OFF |
OFF |
|||
|
ON |
— |
— |
— |
— |
|||||
|
HI |
OFF |
ON |
ON |
OFF |
OFF |
||||
|
ON |
ON |
ON |
OFF |
OFF |
|||||
|
OFF |
— |
— |
OFF/TNS |
LO |
OFF |
OFF |
OFF |
OFF |
OFF |
|
ON |
— |
— |
— |
— |
|||||
|
HI |
OFF |
OFF |
OFF |
OFF |
OFF |
||||
|
ON |
ON |
ON |
OFF |
OFF |
|||||
|
HEAD |
LO |
OFF |
ON |
OFF |
OFF |
OFF |
|||
|
ON |
— |
— |
— |
— |
|||||
|
HI |
OFF |
ON |
ON |
OFF |
OFF |
||||
|
ON |
ON |
ON |
OFF |
OFF |
*1 If the auto light sensor detects that the TNS and headlights are off when the light switch is in the AUTO position, the DRL illuminates.
1. If the DRL mode operation conditions are met, the front body control module (FBCM) turns on the DRL circuit transistor.
2. When the transistor turns on, the DRL bulbs are illuminated.
DRL (Daytime Running Light) Bulb Removal/Installation
1. Disconnect the negative battery cable..
2. Disconnect the connector.
3. Rotate the DRL bulb in the direction of the arrow (1) shown in the figure
and remove it from the front combination ...
Discharge Headlight Bulb
Purpose, Function
Charges the internal metallic element and emits white light resembling sunlight.
Construction
A mercury-free bulb has been adopted for the discharge headlight bul ...
Other materials:
Controller Area Network (Can)
Outline
The AWD control module (CM) sends and receives data to and from other modules
via the CAN system. Refer to MULTIPLEX COMMUNICATION SYSTEM for a detailed explanation
of the CAN system..
Data sent
AWD system status
Data received
Engine speed
Engin ...
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
...
Side Turn Light Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Outer mirror glass.
b. Upper outer mirror garnish.
3. Remove the screws.
4. Disconnect the connector.
5. Remove the side turn light.
6. Install in the reverse order of removal. ...
