Mazda CX-9 2007 Service Highlights page 487

DRL (DAYTIME RUNNING LIGHT) SYSTEM OPERATION
Operation Condition
Operation condition (Input signal)
Parking
Ignition
brake Light switch
switch
switch
OFF
ON ON
-
- -
Illumination Operation
1. When the DRL operation conditions are met, the current flows and the DRL relay turns on.
2. When the DRL relay turns on, the current flows to the headlight high beam (LH) and then to the headlight high
beam (RH) to turn on the headlight high beams at 50 % dim.
B+
H/L
TNS
LOW
RELAY
RELAY
ILLUMI
TAIL
TNS
2G
2M 2N
TNS HEAD AUTO
OFF
End Of Sie
NG: FRONT SIDE TURN LIGHT
LIGHTING SYSTEMS
Operation condition of illumination (Output signal)
Flash-to-
pass
switch
OFF/
TNS
OFF
Headlight
(LO)
Headlight
(HI)
- ON
B+
HIGH-BEAM
INDICATOR LIGHT
HEAD LIGHT
(LOW-BEAM)
2K
2L 1L
PASS
HI
LO
LIGHT SWITCH
Low-beam High-beam
headlight headlight
Illuminates
-
(DRL)
Illuminates
-
(DRL)
- -
- -
Illuminates -
Illuminates Illuminates
Illuminates Illuminates
HEAD LIGHT RH
(HIGH BEAM)
B+
B+
HEAD LIGHT LH
(HIGH BEAM)
BCM
1I 1A 1B 1K 2P
DRL
RELAY
1G 2O 2E 2H
AUTO
LIGHT
SENSER
id091800109600
Front fog light
-
-
-
-
Illuminates
-
-
PARKING
BRAKE
LAMP
B+
PARKING
ROOM
BRAKE
SWITCH
BCM
2D
AUTO LIGHT/WIPER
CONTROL MODULE
2A 2C 2F
IG1
METER
DLC-2
INSTRUMENT
CLUSTER
ac9uun00000534
09-18–21
09-18