Infiniti G20 (P11). Manual — part 314
Wiring Diagram — H/LAMP —
NCEL0013
TEL833B
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
HEADLAMP (FOR USA)
Wiring Diagram — H/LAMP —
EL-33
TEL476B
HEADLAMP (FOR USA)
Wiring Diagram — H/LAMP — (Cont’d)
EL-34
TEL834B
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
HEADLAMP (FOR USA)
Wiring Diagram — H/LAMP — (Cont’d)
EL-35
Trouble Diagnoses
NCEL0014
Symptom
Possible cause
Repair order
Neither headlamp operates.
1. 10A fuse
2. Lighting switch
3. Headlamp battery saver control
unit
1. Check 10A fuse [No. 24, located in fuse block (J/B)].
Verify battery positive voltage is present at terminal 7
of headlamp battery saver control unit.
2. Check Lighting switch.
3. Check headlamp battery saver control unit.
LH headlamp (low and high beam)
does not operate, but RH head-
lamp (low and high beam) does
operate.
1. Bulb
2. LH headlamp ground circuit
3. 15A fuse
4. Headlamp LH relay
5. Headlamp LH relay circuit
6. Lighting switch
7. Headlamp battery saver control
unit
1. Check bulb.
2. Check harness between LH headlamp and ground.
3. Check 15A fuse (No. 32, located in fusible link and
fuse box). Verify battery positive voltage is present at
terminals 1 and 3 of headlamp LH relay.
4. Check headlamp LH relay.
5. Check harness between headlamp LH relay and light-
ing switch.
Check harness between headlamp LH relay and
headlamp battery saver control unit.
6. Check lighting switch.
7. Check headlamp battery saver control unit.
RH headlamp (low and high
beam) does not operate, but LH
headlamp (low and high beam)
does operate.
1. Bulb
2. RH headlamp ground circuit
3. 15A fuse
4. Headlamp RH relay
5. Headlamp RH relay circuit
6. Lighting switch
7. Headlamp battery saver control
unit
1. Check bulb.
2. Check harness between RH headlamp and ground.
3. Check 15A fuse (No. 33, located in fusible link and
fuse box). Verify battery positive voltage is present at
terminals 1 and 3 of headlamp RH relay.
4. Check headlamp RH relay.
5. Check harness between headlamp RH relay and light-
ing switch.
Check harness between headlamp RH relay and
headlamp battery saver control unit.
6. Check lighting switch.
7. Check headlamp battery saver control unit.
LH high beam does not operate,
but LH low beam does operate.
1. Bulb
2. Open in LH high beams circuit
3. Lighting switch
1. Check bulb.
2. Check R/B wire between lighting switch and LH head-
lamp for an open circuit.
3. Check lighting switch.
LH low beam does not operate,
but LH high beam does operate.
1. Bulb
2. Open in LH low beams circuit
3. Lighting switch
1. Check bulb.
2. Check R/Y wire between lighting switch and LH head-
lamp for an open circuit.
3. Check lighting switch.
RH high beam does not operate,
but RH low beam does operate.
1. Bulb
2. Open in RH high beams circuit
3. Lighting switch
1. Check bulb.
2. Check R/G wire between lighting switch and RH
headlamp for an open circuit.
3. Check lighting switch.
RH low beam does not operate,
but RH high beam does operate.
1. Bulb
2. Open in RH low beams circuit
3. Lighting switch
1. Check bulb.
2. Check P/L wire between lighting switch and RH head-
lamp for an open circuit.
3. 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 R/B wire between lighting switch and combina-
tion meter for an open circuit.
HEADLAMP (FOR USA)
Trouble Diagnoses
EL-36
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