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 ...
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Purpose, Function
Charges the internal metallic element and emits white light resembling sunlight.
Construction
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St 001/12 Special Service Tool Shipment January 2013
APPLICABLE MODEL(S)/VINS
2014 Mazda6
2014 CX-5
DESCRIPTION/PRICING
In support of the new 2014 Mazda6 and the 2014 CX-5, Mazda will ship to all dealers
one (1) new Special Service Tool (SST). The SST will be shipped automatically by
Mazda’s tool vendor, SPX during January 2013.
The followi ...
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1. Connect the mirror heater connectors. (with heated outer mirror)
2. Connect the blind spot monitoring (BSM) warning indicator light connector
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NOTE:
Lightly pull the blind spot monitoring (BSM) warning indicator light connector
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