Nissan Primera P12. Instruction — part 578
LT-22
HEADLAMP (WITH DAYTIME) - CONVENTIONAL TYPE -
FOR ALLENGINE MODELS
MKWA1091E
HEADLAMP (WITH DAYTIME) - CONVENTIONAL TYPE -
LT-23
C
D
E
F
G
H
I
J
L
M
A
B
LT
MKWA1092E
LT-24
HEADLAMP (WITH DAYTIME) - CONVENTIONAL TYPE -
Terminal and Reference Value for Daytime Light Control Unit
EKS009M1
*: Daytime light operating: Lighting switch in “OFF” position with engine running.
Trouble Diagnoses
EKS009M2
Terminal
Wire
color
Item
Condition
Voltage (V)
(Approx.)
1
B/R
BAT power supply
—
Battery voltage
2
R/W
BAT power supply
—
Battery voltage
3
R
BAT power supply
—
Battery voltage
4
PU
RH low beam
When lighting switch is turned to the 2ND position
Battery voltage
When engine is running and turning lighting switch to “OFF”
(daytime light operation)
Battery voltage
5
R/Y
LH low beam
When lighting switch is turned to the 2ND position
Battery voltage
When engine is running and turning lighting switch to “OFF”
(daytime light operation)
Battery voltage
6
B/Y
Start signal
When turning ignition switch to “START”
Battery voltage
When turning ignition switch to “ON” from “START”
Less than 1
When turning ignition switch to “OFF”
Less than 1
7
(F9Q
engine
only)
Y/G
IGN power supply
When turning ignition switch to “ON”
Battery voltage
When turning ignition switch to “START”
Battery voltage
When turning ignition switch to “OFF”
Less than 1
8
Y/R
Alternator
When turning ignition switch to “ON”
Less than 1
When engine is running
Battery voltage
When turning ignition switch to “OFF”
Less than 1
9
B
Ground
—
—
10
R/B
Tail lamp
When turning ignition switch to “ON”
0
When engine is running and turning lighting switch to “OFF”
(daytime light operation*)
Battery voltage
When turning ignition switch to “OFF”
0
11
W/R
Lighting switch
When turning lighting switch to 1ST or 2ND
Battery voltage
When turning ignition switch to “OFF”
0
Symptom
Possible cause
Repair order
LH headlamps do not operate.
1. Bulb
2. Grounds E10 and E58
3. 15A fuse
4. Lighting switch
1. Check bulb.
2. Check grounds E10 and E58.
3. Check 15A fuse (No. 41, located in fuse
and fusible link box).
Verify battery positive voltage is present
at terminal 8 (R/W) of lighting switch.
4. Check lighting switch.
RH headlamps do not operate.
1. Bulb
2. Grounds E10 and E58
3. 15A fuse
4. Lighting switch
1. Check bulb.
2. Check grounds E10 and E58.
3. Check 15A fuse (No. 42, located in fuse
and fusible link box).
Verify battery positive voltage is present
at terminal 5 (R) of lighting switch.
4. Check lighting switch.
HEADLAMP (WITH DAYTIME) - CONVENTIONAL TYPE -
LT-25
C
D
E
F
G
H
I
J
L
M
A
B
LT
LH low beam does not operate, but LH high
beam operates.
1. Bulb
2. Open in LH low beams circuit
3. Lighting switch
1. Check bulb.
2. Check continuity between lighting switch
terminal 9 (BR/R) and LH headlamp ter-
minal 4 (BR/R) for an open circuit.
3. Check lighting switch.
LH high beam does not operate, but LH low
beam operates.
1. Bulb
2. Open in LH high beam circuit
3. Daytime light relay
4. Lighting switch
1. Check bulb.
2. Check the following for an open circuit.
–
Continuity between lighting switch termi-
nal 10 (R/Y) and daytime light relay ter-
minal 5 (R/Y)
–
Continuity between daytime light relay
terminal 3 (R/Y) and headlamp LH termi-
nal 5 (R/Y)
3. Check daytime light relay
4. Check lighting switch.
RH low beam does not operate, but RH
high beam operates.
1. Bulb
2. Open in RH low beams circuit
3. Lighting switch
1. Check bulb.
2. Check continuity between lighting switch
terminal 6 (Y) and RH headlamp terminal
4 (Y) for an open circuit.
3. Check lighting switch.
RH high beam does not operate, but RH
low beam operates.
1. Bulb
2. Open in RH high beam circuit
3. Daytime light relay
4. Lighting switch
1. Check bulb.
2. Check the following for an open circuit.
–
Continuity between lighting switch termi-
nal 7 (PU) and daytime light relay termi-
nal 7 (PU)
–
Continuity between daytime light relay
terminal 6 (PU) and headlamp RH termi-
nal 6 (PU)
3. Check daytime light relay
4. Check lighting switch.
High beam indicator does not work.
1. Bulb
2. Grounds M16, M50 and M70
3. Open in high beam circuit
1. Check bulb in combination meter.
2. Check grounds M16, M50 and M70.
3. Check continuity between lighting switch
terminal 9 (BR/R) and combination meter
terminal 20 (BR/R) for an open circuit.
LH and RH low beam does not operate.
1. Daytime light relay
2. Lighting switch
1. Check daytime light relay.
2. Check lighting switch.
Symptom
Possible cause
Repair order
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