Infiniti G20 (P11). Manual — part 320
TEL486B
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
PARKING, LICENSE AND TAIL LAMPS
Wiring Diagram — TAIL/L — (Cont’d)
EL-57
Trouble Diagnoses
NCEL0170
Symptom
Possible cause
Repair order
No lamps operate (including head-
lamps).
1. 10A fuse
2. Lighting switch
3. Headlamp battery saver control
unit
1. Check 10A fuse [No. 24, lacated 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. (EL-37)
No parking, license and tail lamps
operate, but headlamps do oper-
ate.
1. 10A fuse
2. Tail lamp relay
3. Tail lamp relay circuit
4. Lighting switch
5. Lighting switch circuit
6. Headlamp battery saver control
unit
1. Check 10A fuse (No. 34, located in fusible and fuse
block). Verify battery positive voltage is present at
terminals 1 and 3 of tail lamp relay.
2. Check tail lamp relay.
3. Check harness between headlamp battery saver
control unit terminals 6 and 14 and tail lamp relay
terminal 2.
Check harness between tail lamp relay terminal 5
and fuse block.
4. Check lighting switch.
5. Check harness between lighting switch terminal 11
and headlamp battery saver control unit terminals 5
and 13.
Check harness between lighting switch terminal 12
and ground.
6. Check headlamp battery saver control unit. (EL-37)
Battery saver control does not
operate properly.
1. RAP signal circuit
2. Driver or passenger side door
switch circuit
3. Lighting switch circuit
4. Headlamp battery saver control
unit
5. Smart entrance control unit
1. Check harness between headlamp battery saver
control unit terminal 10 and smart entrance control
unit terminal 5 for open or short circuit.
2. Check harness between smart entrance control unit
and driver or passenger side door switch for open or
short circuit.
Check driver or passenger side door switch ground
circuit.
Check driver or passenger side door switch.
3. Check harness between headlamp battery saver
control unit terminals 5 or 13 and lighting switch ter-
minal 11 for open or short circuit.
Check harness between lighting switch terminal 12
and ground.
Check lighting switch.
4. Check headlamp battery saver control unit. (EL-37)
5. Check smart entrance control unit. (EL-246)
PARKING, LICENSE AND TAIL LAMPS
Trouble Diagnoses
EL-58
Wiring Diagram — STOP/L —
NCEL0025
TEL487B
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
STOP LAMP
Wiring Diagram — STOP/L —
EL-59
Wiring Diagram — BACK/L —
NCEL0026
TEL488B
BACK-UP LAMP
Wiring Diagram — BACK/L —
EL-60
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