Nissan Silvia. Instruction — part 185
Wiring Diagram — H/LAMP —
NMEL0013
TEL787B
GI
MA
EM
LC
EC
FE
CL
MT
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
HEADLAMP
Wiring Diagram — H/LAMP —
EL-29
TEL788B
HEADLAMP
Wiring Diagram — H/LAMP — (Cont’d)
EL-30
Trouble Diagnoses
NMEL0202
Symptom
Possible cause
Repair order
Neither headlamp operates.
1. Lighting switch
1. Check Lighting switch.
LH headlamp (low and high beam)
does not operate, but RH head-
lamp (low and high beam) does
operate.
1. 15A fuse
2. Lighting switch
1. Check 15A fuse (No. 42, located in fusible link and
fuse box). Verify battery positive voltage is present
at lighting switch terminal 8.
2. Check lighting switch.
RH headlamp (low and high beam)
does not operate, but LH headlamp
(low and high beam) does operate.
1. 15A fuse
2. Lighting switch
1. Check 15A fuse (No. 41, located in fusible link and
fuse box). Verify battery positive voltage is present
at lighting switch terminal 5.
2. Check lighting switch.
LH high beam does not operate,
but LH low beam does operate.
1. Bulb
2. Open in LH high beam circuit
3. LH high beam ground circuit
4. Lighting switch
1. Check bulb.
2. Check the harness between lighting switch and LH
headlamp for an open circuit.
3. Check the harness between LH headlamp and
ground.
4. Check lighting switch.
LH low beam does not operate, but
LH high beam does operate.
1. Bulb
2. Open in LH low beam circuit
3. LH low beam ground circuit
4. Lighting switch
1. Check bulb.
2. Check the harness between lighting switch and LH
headlamp for an open circuit.
3. Check the harness between LH headlamp and
ground.
4. Check lighting switch.
RH high beam does not operate,
but RH low beam does operate.
1. Bulb
2. Open in RH high beam circuit
3. RH high beam ground circuit
4. Lighting switch
1. Check bulb.
2. Check the harness between lighting switch and RH
headlamp for an open circuit.
3. Check the harness between RH headlamp and
ground.
4. Check lighting switch.
RH low beam does not operate,
but RH high beam does operate.
1. Bulb
2. Open in RH low beam circuit
3. RH low beam ground circuit
4. Lighting switch
1. Check bulb.
2. Check the harness between lighting switch and RH
headlamp for an open circuit.
3. Check the harness between RH headlamp and
ground.
4. Check lighting switch.
High beam indicator does not work. 1. Bulb
2. Ground circuit
3. Open in high beam circuit
1. Check bulb in combination meter.
2. Check harness between high beam indicator and
ground.
3. Check the harness between lighting switch and
combination meter for an open circuit.
When the lighting switch is turned
to the 2ND position and placed in
HIGH (“A”) position, low beam
does not operate, but high beam
does operate.
1. Headlamp relay circuit
2. Headlamp relay ground circuit
3. Headlamp relay
1. Check the following.
a. Harness between headlamp relay and fuse.
b. Harness between headlamp relay and lighting
switch.
2. Check harness between headlamp relay and
ground.
3. Check headlamp relay.
GI
MA
EM
LC
EC
FE
CL
MT
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
HEADLAMP
Trouble Diagnoses
EL-31
Bulb Replacement
NMEL0015
FEL264Y
The headlamp is a semi-sealed beam type which uses a replaceable halogen bulb. The bulb can be replaced
from the engine compartment side without removing the headlamp body.
I
Grasp only the plastic base when handling the bulb. Never touch the glass envelope.
RH HEADLAMP
NMEL0015S01
Headlamp Bulb (Low beam)
NMEL0015S0101
1. Disconnect the battery cable.
2. Pull off the rubber cap.
3. Push and turn the bulb retaining pin.
4. Remove the headlamp bulb carefully. Do not shake or rotate bulb when removing it.
5. Install in reverse order of removal.
Headlamp Bulb (High beam)
NMEL0015S0102
1. Disconnect the harness connector from rear end of the bulb.
2. Turn bulb cover counterclockwise, then remove it.
3. Remove the headlamp bulb carefully. Do not shake or rotate the bulb when removing it.
4. Install in reverse order of removal.
Turn Signal Lamp Bulb
NMEL0015S0103
1. Remove front fender protector.
2. Turn bulb cover counterclockwise, then remove it.
3. Remove the turn signal lamp bulb carefully. Do not shake or rotate the bulb when removing it.
4. Install in reverse order of removal.
HEADLAMP
Bulb Replacement
EL-32
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